The following discussion analyzes our financial condition and results of operations and should be read in conjunction with the Consolidated Financial Statements and Notes to Consolidated Financial Statements, wherein WES Operating is fully consolidated, which are included under Part II, Item 8 of this Form 10-K, and the information set forth in Risk Factors under Part I, Item 1A of this Form 10-K. The Partnership's assets include assets owned and ownership interests accounted for by us under the equity method of accounting, through our 98% partnership interest in WES Operating, as ofDecember 31, 2019 (see Note 10-Equity Investments in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). We also own and control the entire non-economic general partner interest in WES Operating GP, and our general partner is owned by Occidental; therefore, prior asset acquisitions fromAnadarko were classified as transfers of net assets between entities under common control. As such, assets acquired fromAnadarko initially were recorded atAnadarko's historic carrying value, which did not equate to the total acquisition price paid by us. Further, subsequent to asset acquisitions fromAnadarko , we were required to recast our financial statements to include the activities of acquired assets from the date of common control. For reporting periods that required recast, the consolidated financial statements for periods prior to the acquisition of assets fromAnadarko were prepared fromAnadarko's historical cost-basis accounts and may not be necessarily indicative of the actual results of operations that would have occurred if we had owned the assets during the periods reported. For ease of reference, we refer to the historical financial results of the Partnership's assets prior to the acquisitions fromAnadarko as being "our" historical financial results. EXECUTIVE SUMMARY We currently own or have investments in assets located in theRocky Mountains (Colorado ,Utah , andWyoming ), North-centralPennsylvania ,Texas , andNew Mexico . We are engaged in the business of gathering, compressing, treating, processing, and transporting natural gas; gathering, stabilizing, and transporting condensate, NGLs, and crude oil; and gathering and disposing of produced water. In our capacity as a natural-gas processor, we also buy and sell natural gas, NGLs, and condensate on behalf of ourselves and as an agent for our customers under certain contracts. We provide the above-described midstream services for Occidental and third-party customers. As ofDecember 31, 2019 , our assets and investments consisted of the following: Wholly Owned and Operated Non-Operated Equity Operated Interests Interests Interests Gathering systems (1) 17 2 3 2 Treating facilities 37 3 - 3 Natural-gas processing plants/trains 25 3 - 5 NGLs pipelines 2 - - 4 Natural-gas pipelines 5 - - 1 Crude-oil pipelines 3 1 - 3 (1) Includes the DBM water systems. 80
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December 2019 Agreements. OnDecember 31, 2019 , (i) WES and certain of its subsidiaries, including WES Operating and WES Operating GP, entered into the below-described agreements with Occidental and/or certain of its subsidiaries, includingAnadarko , and (ii) WES Operating also entered into the below-described amendments to its debt agreements (collectively referred to as the "December 2019 Agreements").
• Exchange Agreement. WGRI, the general partner, and WES entered into a
partnership interests exchange agreement (the "Exchange Agreement"),
pursuant to which WES canceled the non-economic general partner
interest in WES and simultaneously issued a 2.0% general partner
interest to the general partner in exchange for which WGRI transferred
9,060,641 WES common units to WES, which immediately canceled such units on receipt.
• Services, Secondment, and Employee Transfer Agreement. Occidental,
pursuant to which Occidental,Anadarko , and their subsidiaries will (i) second certain personnel employed by Occidental to WES Operating GP, in exchange for which WES Operating GP will pay a monthly secondment and shared services fee to Occidental equivalent to the direct cost of the
seconded employees and (ii) continue to provide certain administrative
and operational services to WES for up to a two-year transition period. The Services Agreement also includes provisions governing the transfer of certain employees to WES and WES's assumption of liabilities relating to those employees at the time of their transfer. InJanuary 2020 , pursuant to the Services Agreement, Occidental made a one-time
cash contribution of
costs required to establish stand-alone human resources and information
technology functions. • RCF amendment. WES Operating entered into an amendment to its RCF to, among other things, (i) effective onFebruary 14, 2020 , exercise the final one-year extension option to extend the maturity date of the RCF toFebruary 14, 2025 , for the extending lenders, and (ii) modify the change of control definition to provide, among other things, that, subject to certain conditions, if the limited partners of WES elect to
remove the general partner as the general partner of WES in accordance
with the terms of the partnership agreement, then such removal will not
constitute a change of control under the RCF.
• Term loan facility amendment. WES Operating entered into an amendment
of its Term loan facility to, among other things, modify the change of
control definition to provide, among other things, that, subject to
certain conditions, if the limited partners of WES elect to remove the
general partner as the general partner of WES in accordance with the terms of the partnership agreement, then such removal will not constitute a change of control under the Term loan facility. • Termination of debt-indemnification agreements. WES Operating GP and
certain wholly owned subsidiaries of Occidental mutually terminated the
debt-indemnification agreements related to indebtedness incurred by WES Operating.
• Termination of omnibus agreements. WES and WES Operating entered into
agreements with Occidental to terminate the WES and WES Operating omnibus agreements. See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of
this Form 10-K for further information on the WES and WES Operating
omnibus agreements.
Occidental Merger. On
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Merger transactions. OnFebruary 28, 2019 , WES, WES Operating,Anadarko , and certain of their affiliates completed the transactions contemplated by the Contribution Agreement and Agreement and Plan of Merger (the "Merger Agreement") datedNovember 7, 2018 , pursuant to which, among other things,Clarity Merger Sub, LLC , a wholly owned subsidiary of WES, merged with and into WES Operating, with WES Operating continuing as the surviving entity and as a subsidiary of WES (the "Merger"). In connection with the Merger closing, (i) the common units of WES Operating, which previously traded under the symbol "WES," ceased to trade on the NYSE, (ii) the common units of WES, which previously traded under the symbol "WGP," began to trade on the NYSE under the symbol "WES," (iii) WES changed its name fromWestern Gas Equity Partners, LP toWestern Midstream Partners, LP , and (iv) WES Operating changed its name fromWestern Gas Partners, LP toWestern Midstream Operating, LP . The Merger Agreement also provided that WES, WES Operating, andAnadarko cause their respective affiliates to execute the following transactions, among others, immediately prior to the Merger becoming effective in the following order: (1)Anadarko E&P Onshore LLC and WGRAH (the "Contributing Parties") contribute to WES Operating, and WES Operating subsequently contributes toWGR Operating, LP ,Kerr-McGee Gathering LLC , and DBM (each wholly owned by WES Operating), all of their interests in each ofAnadarko Wattenberg Oil Complex LLC ,Anadarko DJ Oil Pipeline LLC ,Anadarko DJ Gas Processing LLC ,Wamsutter Pipeline LLC ,DBM Oil Services, LLC ,Anadarko Pecos Midstream LLC ,Anadarko Mi Vida LLC , andAPC Water Holdings 1, LLC ("APCWH") in exchange for aggregate consideration of$1.814 billion of cash, less the outstanding amount payable pursuant to an intercompany note (the "APCWH Note Payable") assumed by WES Operating in connection with the transfer, and 45,760,201 WES Operating common units; (2) AMH transfers its interests inSaddlehorn Pipeline Company, LLC , andPanola Pipeline Company, LLC to WES Operating in exchange for$193.9 million of cash; (3) WES Operating contributes cash in an amount equal to the outstanding balance of the APCWH Note Payable immediately prior to the effective time of the Merger to APCWH, which in turn uses the contributed cash to satisfy the APCWH Note Payable toAnadarko ; (4) the WES Operating Class C units convert into WES Operating common units on a one-for-one basis; and (5) WES Operating and WES Operating GP convert the IDRs and the 2,583,068 general partner units in WES Operating held by WES Operating GP into a non-economic general partner interest in WES Operating and 105,624,704 WES Operating common units. The 45,760,201 WES Operating common units issued to the Contributing Parties, less 6,375,284 WES Operating common units retained by WGRAH, convert into the right to receive an aggregate of 55,360,984 common units of WES at Merger completion. Each WES Operating common unit issued and outstanding immediately prior to the closing of the Merger (other than WES Operating common units owned by WES and WES Operating GP, and certain common units held by subsidiaries ofAnadarko ) converts into the right to receive 1.525 common units of WES. See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information.
Additional significant financial and operational events during the year ended
• We increased our per-unit distribution to
quarter of 2019, representing a 0.3% increase over the third-quarter
2019 distribution and a 3% increase over the fourth-quarter 2018 distribution.
• In
facility to (i) extend the maturity date from
2020, and (ii) increase commitments available under the Term loan
facility from
billion of which was subsequently drawn by WES Operating on September
13, 2019, and used to repay outstanding borrowings under the RCF. InDecember 2019 , WES Operating amended certain provisions of the Term loan facility. See Liquidity and Capital Resources within this Item 7 for additional information.
• In
agreements with an aggregate notional principal amount of$375.0 million . In November andDecember 2019 , WES Operating entered into additional interest-rate swap agreements with an aggregate notional principal amount of$1,125.0 million , effectively offsetting those entered into inDecember 2018 andMarch 2019 . InDecember 2019 , all outstanding interest-rate swap agreements were cash-settled. See Liquidity and Capital Resources within this Item 7 for additional information.
• In
repaid. See Liquidity and Capital Resources within this Item 7 for additional information. 82
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• We commenced operations of Mentone Train II at the
(with capacity of 200 MMcf/d) andLatham Train I at theDJ Basin complex (with capacity of 200 MMcf/d) at the end of the first and fourth quarters, respectively, of 2019.
• In
billion to
date of the RCF to
the change of control definition in the RCF. See Liquidity and Capital
Resources within this Item 7 for additional information.
• In
third party. See Acquisitions and Divestitures under Part I, Items 1 and 2 of this Form 10-K for additional information. • Natural-gas throughput attributable to WES totaled 4,248 MMcf/d for the year endedDecember 31, 2019 , representing a 9% increase compared to the year endedDecember 31, 2018 . • Crude-oil, NGLs, and produced-water throughput attributable to WES totaled 1,195 MBbls/d for the year endedDecember 31, 2019 , representing a 57% increase compared to the year endedDecember 31, 2018 . • Operating income (loss) was$1,231.3 million for the year endedDecember 31, 2019 , representing a 43% increase compared to the year endedDecember 31, 2018 . • Adjusted gross margin for natural-gas assets (as defined under the caption How We Evaluate Our Operations within this Item 7) averaged$1.07 per Mcf for the year endedDecember 31, 2019 , representing a 6% increase compared to the year endedDecember 31, 2018 . • Adjusted gross margin for crude-oil, NGLs, and produced-water assets (as defined under the caption How We Evaluate Our Operations within this Item 7) averaged$1.77 per Bbl for the year endedDecember 31, 2019 , representing an 8% decrease compared to the year endedDecember 31, 2018 . The following table provides additional information on throughput for the periods presented below: Year Ended December 31, Inc/ Inc/ Inc/ 2019 2018 (Dec) 2019 2018 (Dec) 2019 2018 (Dec) Natural gas Crude oil & NGLs
Produced water (MMcf/d) (MBbls/d) (MBbls/d) Delaware Basin 1,226 1,041 18 % 150 132 14 % 556 239 133 % DJ Basin 1,236 1,133 9 % 118 105 12 % - - - % Equity investments 398 291 37 % 343 241 42 % - - - % Other 1,563 1,603 (2 )% 52 58 (10 )% - - - % Total throughput 4,423 4,068 9 % 663 536 24 % 556 239 133 % 83
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ITEMS AFFECTING THE COMPARABILITY OF OUR FINANCIAL RESULTS Our historical results of operations and cash flows for the periods presented may not be comparable to future or historic results of operations or cash flows for the reasons described below. Refer to Operating Results within this Item 7 for a discussion of our results of operations as compared to the prior periods. Gathering and processing agreements. Certain of the gathering agreements for theWest Texas complex,Springfield system,DJ Basin oil system, and Marcellus Interest systems allow for rate resets that target an agreed-upon rate of return over the life of the agreement. See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Noncontrolling interests. For periods subsequent to Merger completion, our noncontrolling interests in the consolidated financial statements consist of (i) the 25% third-party interest in Chipeta and (ii) the 2.0% Occidental subsidiary-owned limited partner interest in WES Operating. For periods prior to Merger completion, our noncontrolling interests in the consolidated financial statements consisted of (i) the 25% third-party interest in Chipeta, (ii) the publicly held limited partner interests in WES Operating, (iii) the common units issued by WES Operating to subsidiaries ofAnadarko as part of the consideration paid for prior acquisitions fromAnadarko , (iv) the Class C units issued by WES Operating to a subsidiary ofAnadarko as part of the funding for the acquisition of DBM, and (v) the WES Operating Series A Preferred units issued to private investors as part of the funding of theSpringfield acquisition, until converted into WES Operating common units in 2017. Commodity-price swap agreements. During all periods presented, the consolidated statements of operations and consolidated statements of equity and partners' capital included the impacts of commodity-price swap agreements. See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for further information regarding the commodity-price swap agreements withAnadarko that expired without renewal onDecember 31, 2018 . Income taxes. With respect to assets acquired fromAnadarko , we recordedAnadarko's historic current and deferred income taxes for the periods prior to our ownership of the assets. For periods subsequent to asset acquisitions fromAnadarko , we are not subject to tax except for theTexas margin tax and, accordingly, do not record current and deferred federal income taxes related to such assets. Acquisitions and divestitures. For the year endedDecember 31, 2019 , there was a net increase in Adjusted gross margin of$4.1 million related to our third-party asset acquisition during 2019. For the year endedDecember 31, 2018 , there was a net increase in Adjusted gross margin of$40.5 million related to our third-party asset acquisitions and divestitures during 2018. See Note 3-Acquisitions and Divestitures in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information and How We Evaluate Our Operations within this Item 7 for the definition of Adjusted gross margin. Impairments. During 2018, we recognized impairments of$230.6 million , including impairments of (i)$125.9 million at theThird Creek gathering system and$8.1 million at the Kitty Draw gathering system due to the shutdown of the systems, (ii)$38.7 million at the Hilight system, and (iii)$34.6 million at the MIGC system. During 2017, we recognized impairments of$180.1 million , including an impairment of$158.8 million at the Granger complex due to a reduced throughput fee as a result of a producer's bankruptcy. See Note 1-Summary of Significant Accounting Policies and Note 8-Property, Plant, and Equipment in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. 84
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DBM complex. InDecember 2015 , there was an initial fire and secondary explosion at the processing facility within the DBM complex. The majority of the damage from the incident was to the liquid handling facilities and the amine-treating units at the inlet of the complex. During the year endedDecember 31, 2017 , a$5.7 million loss was recorded in Gain (loss) on divestiture and other, net in the consolidated statements of operations, related to a change in the estimate of the amount that would be recovered under the property insurance claim based on further discussions with insurers. During the second quarter of 2017, we reached a settlement with insurers and final proceeds were received. During the year endedDecember 31, 2017 , we received$52.9 million in cash proceeds from insurers, including$29.9 million in proceeds from business interruption insurance claims and$23.0 million in proceeds from property insurance claims. See Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Adoption of Topic 606. OnJanuary 1, 2018 , we adopted Revenue from Contracts with Customers (Topic 606) ("Topic 606"). The 2017 financial information was not adjusted and is reported under Revenue Recognition (Topic 605). See Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for information on our current revenue recognition policy. OUR OPERATIONS Our results primarily are driven by the volumes of natural gas, NGLs, crude oil, and produced water we service through our systems. In our operations, we contract with customers to provide midstream services focused on natural gas, NGLs, crude oil, and produced water. We gather natural gas from individual wells or production facilities located near our gathering systems and the natural gas may be compressed and delivered to a processing plant, treating facility, or downstream pipeline, and ultimately to end users. We treat and process a significant portion of the natural gas that we gather so that it will satisfy required specifications for pipeline transportation. We gather crude oil from individual wells or production facilities located near our gathering systems, and in some cases, treat or stabilize the crude oil to satisfy required specifications for pipeline transportation. We also gather and dispose of produced water. Currently we have operations inColorado ,Utah ,Wyoming , North-centralPennsylvania ,Texas , andNew Mexico , with a substantial portion of our business concentrated in theRocky Mountains andWest Texas . For example, for the year endedDecember 31, 2019 , ourDJ Basin andWest Texas assets provided (i) 31% of each of our throughput for natural-gas assets (excluding equity-investment throughput), (ii) 13% and 81%, respectively, of our throughput for crude-oil, NGLs, and produced-water assets (excluding equity-investment throughput), and (iii) 36% and 44%, respectively, of Total revenues and other. For the year endedDecember 31, 2019 , 59% of Total revenues and other, 38% of our throughput for natural-gas assets (excluding equity-investment throughput), and 83% of our throughput for crude-oil, NGLs, and produced-water assets (excluding equity-investment throughput) were attributable to transactions with Occidental. In addition, Occidental supports our operations by providing dedications and/or minimum-volume commitments. For the year endedDecember 31, 2019 , 93% of our wellhead natural-gas volume (excluding equity investments) and 100% of our crude-oil, NGLs, and produced-water throughput (excluding equity investments) were serviced under fee-based contracts under which fixed and variable fees are received based on the volume or thermal content of the natural gas and on the volume of NGLs, crude oil, and produced water we gather, process, treat, transport, or dispose. This type of contract provides us with a relatively stable revenue stream that is not subject to direct commodity-price risk, except to the extent that (i) we retain and sell drip condensate that is recovered during the gathering of natural gas from the wellhead or production facilities or (ii) actual recoveries differ from contractual recoveries under a limited number of processing agreements. We also have indirect exposure to commodity-price risk in that the relatively volatile commodity-price environment has caused and may continue to cause current or potential customers to delay drilling or shut-in production in certain areas, which would reduce the volumes of hydrocarbons available to our systems. We also bear limited commodity-price risk through the settlement of imbalances. Read Item 7A. Quantitative and Qualitative Disclosures About Market Risk under Part II of this Form 10-K. As a result of previous acquisitions fromAnadarko and third parties, our results of operations, financial position, and cash flows may vary significantly in future periods. See Items Affecting the Comparability of Our Financial Results within this Item 7. 85
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HOW WE EVALUATE OUR OPERATIONS Our management relies on certain financial and operational metrics to analyze our performance. These metrics are significant factors in assessing our operating results and profitability and include (i) throughput, (ii) operating and maintenance expenses, (iii) general and administrative expenses, (iv) Adjusted gross margin (as defined below), (v) Adjusted EBITDA (as defined below), and (vi) Distributable cash flow (as defined below). Throughput. Throughput is a significant operating variable that we use to assess our ability to generate revenues. To maintain or increase throughput on our systems, we must connect to additional wells or production facilities. Our success in maintaining or increasing throughput is impacted by the successful drilling of new wells by producers that are dedicated to our systems, recompletions of existing wells connected to our systems, our ability to secure volumes from new wells drilled on non-dedicated acreage, and our ability to attract natural-gas, crude-oil, NGLs, or produced-water volumes currently serviced by our competitors. Operating and maintenance expenses. We monitor operating and maintenance expenses to assess the impact of these costs on asset profitability and to evaluate the overall efficiency of our operations. Operating and maintenance expenses include, among other things, field labor, insurance, repair and maintenance, equipment rentals, contract services, utility costs, and services provided to us or on our behalf. For periods commencing on the date of and subsequent to the acquisition of assets fromAnadarko , certain of these expenses are incurred under our services and secondment agreement with Occidental, which was amended and restated onDecember 31, 2019 (see Executive Summary-December 2019 Agreements within this Item 7). General and administrative expenses. To assess the appropriateness of our general and administrative expenses and maximize our cash available for distribution, we monitor such expenses by way of comparison to prior periods and to the annual budget approved by our Board of Directors. Pursuant to the WES and WES Operating omnibus agreements, Occidental and our general partner performed centralized corporate functions for us. General and administrative expenses for periods prior to the acquisition of assets fromAnadarko included costs allocated byAnadarko through a management services fee. For periods subsequent to the acquisition of assets fromAnadarko , allocations and reimbursements of general and administrative expenses were determined by Occidental in its reasonable discretion, in accordance with our partnership and omnibus agreements. Amounts required to be reimbursed to Occidental under the omnibus agreements also included any expenses attributable to our status as a publicly traded partnership, which were paid by Occidental and may include the following:
• expenses associated with annual and quarterly reporting;
• tax return and Schedule K-1 preparation and distribution expenses;
• expenses associated with listing on the NYSE; and
• independent auditor fees, legal expenses, investor relations expenses,
director fees, and registrar and transfer agent fees.
The WES and WES Operating omnibus agreements were terminated in connection with the execution of theDecember 2019 Agreements. Pursuant to the Services Agreement entered into as part of theDecember 2019 Agreements, Occidental (i) seconds certain personnel employed by Occidental to WES Operating GP, in exchange for which WES Operating GP pays a monthly secondment and shared services fee to Occidental equivalent to the direct cost of the seconded employees and (ii) continues to provide certain administrative and operational services to us for up to a two-year transition period. See further detail in Executive Summary-December 2019 Agreements within this Item 7 and Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. 86
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Non-GAAP financial measures
Adjusted gross margin. We define Adjusted gross margin attributable toWestern Midstream Partners, LP ("Adjusted gross margin") as total revenues and other (less reimbursements for electricity-related expenses recorded as revenue), less cost of product, plus distributions from equity investments, and excluding the noncontrolling interests owners' proportionate share of revenues and cost of product. We believe Adjusted gross margin is an important performance measure of our operations' profitability and performance as compared to other companies in the midstream industry. Cost of product expenses include (i) costs associated with the purchase of natural gas and NGLs pursuant to our percent-of-proceeds, percent-of-product, and keep-whole contracts, (ii) costs associated with the valuation of gas imbalances, and (iii) costs associated with our obligations under certain contracts to redeliver a volume of natural gas to shippers, which is thermally equivalent to condensate retained by us and sold to third parties. To facilitate investor and industry analyst comparisons between us and our peers, we also disclose per-Mcf Adjusted gross margin for natural-gas assets and per-Bbl Adjusted gross margin for crude-oil, NGLs, and produced-water assets. See Key Performance Metrics within this Item 7. Adjusted EBITDA. We define Adjusted EBITDA attributable toWestern Midstream Partners, LP ("Adjusted EBITDA") as net income (loss), plus distributions from equity investments, non-cash equity-based compensation expense, interest expense, income tax expense, depreciation and amortization, impairments, and other expense (including lower of cost or market inventory adjustments recorded in cost of product), less gain (loss) on divestiture and other, net, income from equity investments, interest income, income tax benefit, other income, and the noncontrolling interests owners' proportionate share of revenues and expenses. We believe the presentation of Adjusted EBITDA provides information useful to investors in assessing our financial condition and results of operations and that Adjusted EBITDA is a widely accepted financial indicator of a company's ability to incur and service debt, fund capital expenditures, and make distributions. Adjusted EBITDA is a supplemental financial measure that management and external users of our consolidated financial statements, such as industry analysts, investors, commercial banks, and rating agencies, use, among other measures, to assess the following:
• our operating performance as compared to other publicly traded
partnerships in the midstream industry, without regard to financing methods, capital structure, or historical cost basis;
• the ability of our assets to generate cash flow to make distributions; and
• the viability of acquisitions and capital expenditures and the returns on
investment of various investment opportunities.
Distributable cash flow. We define "Distributable cash flow" as Adjusted EBITDA, plus interest income and the net settlement amounts from the sale and/or purchase of natural gas, condensate, and NGLs under WES Operating's commodity-price swap agreements to the extent such amounts are not recognized as Adjusted EBITDA, less Service revenues - fee based recognized in Adjusted EBITDA in excess of (less than) customer billings, net cash paid (or to be paid) for interest expense (including amortization of deferred debt issuance costs originally paid in cash and offset by non-cash capitalized interest), maintenance capital expenditures, WES Operating Series A Preferred unit distributions, income taxes, and Distributable cash flow attributable to noncontrolling interests to the extent such amounts are not excluded from Adjusted EBITDA. We compare Distributable cash flow to the cash distributions we expect to pay our unitholders. Using this measure, management determines the Coverage ratio of Distributable cash flow to planned cash distributions. We believe Distributable cash flow is useful to investors because this measurement is used by many companies, analysts, and others in the industry as a performance measurement tool to evaluate our operating and financial performance as compared to the performance of other publicly traded partnerships. Distributable cash flow is a measure we use to assess our ability to make distributions to our unitholders; however, this measure should not be viewed as indicative of the actual amount of cash available for distributions or planned for distribution for a given period. Furthermore, to the extent Distributable cash flow includes realized amounts recorded as capital contributions fromAnadarko attributable to activity under our commodity-price swap agreements, it is not a reflection of our ability to generate cash from operations. 87
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Reconciliation of non-GAAP financial measures. Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow are not defined in GAAP. The GAAP measure used by us that is most directly comparable to Adjusted gross margin is operating income (loss). Net income (loss) and net cash provided by operating activities are the GAAP measures used by us that are most directly comparable to Adjusted EBITDA. The GAAP measure used by us that is most directly comparable to Distributable cash flow is net income (loss). Our non-GAAP financial measures of Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow should not be considered as alternatives to the GAAP measures of operating income (loss), net income (loss), net cash provided by operating activities, or any other measure of financial performance presented in accordance with GAAP. Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow have important limitations as analytical tools because they exclude some, but not all, items that affect operating income (loss), net income (loss), and net cash provided by operating activities. Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow should not be considered in isolation or as a substitute for analysis of our results as reported under GAAP. Our definitions of Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow may not be comparable to similarly titled measures of other companies in our industry, thereby diminishing their utility as comparative measures. Management compensates for the limitations of Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow as analytical tools by reviewing the comparable GAAP measures, understanding the differences between Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow compared to (as applicable) operating income (loss), net income (loss), and net cash provided by operating activities, and incorporating this knowledge into its decision-making processes. We believe that investors benefit from having access to the same financial measures that our management considers in evaluating our operating results. 88
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The following tables present (a) a reconciliation of the GAAP financial measure of our operating income (loss) to the non-GAAP financial measure of Adjusted gross margin, (b) a reconciliation of the GAAP financial measures of our net income (loss) and our net cash provided by operating activities to the non-GAAP financial measure of Adjusted EBITDA, and (c) a reconciliation of the GAAP financial measure of our net income (loss) to the non-GAAP financial measure of Distributable cash flow: Year Ended December 31, thousands 2019 2018 2017 Reconciliation of Operating income (loss) to Adjusted gross margin Operating income (loss)$ 1,231,343 $ 861,282 $ 801,698 Add: Distributions from equity investments 264,828 216,977 148,752 Operation and maintenance 641,219 480,861 345,617 General and administrative 114,591 67,195 53,949 Property and other taxes 61,352 51,848 53,147 Depreciation and amortization 483,255 389,164 318,771 Impairments 6,279 230,584 180,051 Less: Gain (loss) on divestiture and other, net (1,406 ) 1,312 132,388 Proceeds from business interruption insurance claims - - 29,882 Equity income, net - affiliates 237,518
195,469 115,141 Reimbursed electricity-related charges recorded as revenues
74,629 66,678 56,860 Adjusted gross margin attributable to noncontrolling interests (1) 64,049 56,247 47,845 Adjusted gross margin$ 2,428,077 $ 1,978,205 $ 1,519,869 Adjusted gross margin for natural-gas assets$ 1,656,041 $ 1,443,466 $ 1,256,160 Adjusted gross margin for crude-oil, NGLs, and produced-water assets 772,036 534,739 263,709 (1) For all periods presented, includes (i) the 25% third-party interest in Chipeta and (ii) the 2.0% Occidental subsidiary-owned limited partner
interest in WES Operating, which collectively represent WES's noncontrolling
interests as of
noncontrolling interests as a result of the Merger closing, see
Noncontrolling interests within Note 1-Summary of Significant Accounting
Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. 89
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Table of Contents Year Ended December 31, thousands 2019 2018 2017 Reconciliation of Net income (loss) to Adjusted EBITDA Net income (loss)$ 807,700 $ 630,654 $ 737,385 Add: Distributions from equity investments 264,828 216,977 148,752 Non-cash equity-based compensation expense 14,392 7,310 5,194 Interest expense 303,286 183,831 142,520 Income tax expense 13,472 58,934 20,483 Depreciation and amortization 483,255 389,164 318,771 Impairments 6,279 230,584 180,051 Other expense 161,813 8,264 145 Less: Gain (loss) on divestiture and other, net (1,406 ) 1,312 132,388 Equity income, net - affiliates 237,518 195,469 115,141 Interest income - affiliates 16,900 16,900 16,900 Other income 37,792 2,749 1,384 Income tax benefit - - 80,406 Adjusted EBITDA attributable to noncontrolling interests (1) 45,131 42,843 37,431 Adjusted EBITDA$ 1,719,090 $ 1,466,445 $ 1,169,651 Reconciliation of Net cash provided by operating activities to Adjusted EBITDA Net cash provided by operating activities$ 1,324,100 $ 1,348,175 $ 1,042,715 Interest (income) expense, net 286,386 166,931 125,620 Uncontributed cash-based compensation awards (1,102 ) 879 25 Accretion and amortization of long-term obligations, net (8,441 ) (5,943 ) (4,932 ) Current income tax (benefit) expense 5,863 (80,114 ) (6,785 ) Other (income) expense, net (2) 106,136
(3,209 ) (1,384 ) Distributions from equity investments in excess of cumulative earnings - affiliates
30,256 29,585 31,659 Changes in assets and liabilities: Accounts receivable, net 45,033 60,502 16,244 Accounts and imbalance payables and accrued liabilities, net 30,866 (45,605 ) 937 Other items, net (54,876 ) 38,087 2,983 Adjusted EBITDA attributable to noncontrolling interests (1) (45,131 ) (42,843 ) (37,431 ) Adjusted EBITDA$ 1,719,090 $ 1,466,445 $ 1,169,651 Cash flow information Net cash provided by operating activities$ 1,324,100 $ 1,348,175 $ 1,042,715 Net cash used in investing activities (3,387,853 ) (2,210,813 ) (1,133,324 ) Net cash provided by (used in) financing activities 2,071,573 875,192 (188,875 ) (1) For all periods presented, includes (i) the 25% third-party interest in Chipeta and (ii) the 2.0% Occidental subsidiary-owned limited partner
interest in WES Operating, which collectively represent WES's noncontrolling
interests as of
noncontrolling interests as a result of the Merger closing, see
Noncontrolling interests within Note 1-Summary of Significant Accounting
Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. (2) Excludes net non-cash losses on interest-rate swaps of$25.6 million and
See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial
Statements under Part II, Item 8 of this Form 10-K. 90
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Year Ended December 31, thousands except Coverage ratio 2019 2018 2017 Reconciliation of Net income (loss) to Distributable cash flow and calculation of the Coverage ratio Net income (loss)$ 807,700 $ 630,654 $ 737,385 Add: Distributions from equity investments 264,828 216,977 148,752 Non-cash equity-based compensation expense 14,392 7,310 5,194 Non-cash settled interest expense, net 39 - 71 Income tax (benefit) expense 13,472 58,934 (59,923 ) Depreciation and amortization 483,255 389,164 318,771 Impairments 6,279 230,584 180,051 Above-market component of swap agreements with Anadarko (1) 7,407 51,618 58,551 Other expense 161,813 8,264 145 Less: Recognized Service revenues - fee based in excess of (less than) customer billings (28,764 ) 62,498 - Gain (loss) on divestiture and other, net (1,406 ) 1,312 132,388 Equity income, net - affiliates 237,518 195,469 115,141 Cash paid for maintenance capital expenditures 124,548 120,865 77,557 Capitalized interest 26,980 32,479 9,074 Cash paid for (reimbursement of) income taxes 96 2,408 1,194 WES Operating Series A Preferred unit distributions - - 7,453 Other income 37,792 2,749 1,384 Distributable cash flow attributable to noncontrolling interests (2) 36,976 36,138 33,956 Distributable cash flow (3)$ 1,325,445 $ 1,139,587 $ 1,010,850 Distributions declared Distributions from WES Operating$ 1,128,309
Less: Cash reserve for the proper conduct of WES's business
9,360 Distributions to WES unitholders (4)$ 1,118,949 Coverage ratio 1.18 x (1) See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. (2) For all periods presented, includes (i) the 25% third-party interest in Chipeta and (ii) the 2.0% Occidental subsidiary-owned limited partner
interest in WES Operating, which collectively represent WES's noncontrolling
interests as of
noncontrolling interests as a result of the Merger closing, see
Noncontrolling interests within Note 1-Summary of Significant Accounting
Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. (3) For the year endedDecember 31, 2019 , excludes cash payments of$107.7 million related to the settlement of interest-rate swap agreements. See
Note 13-Debt and Interest Expense in the Notes to Consolidated Financial
Statements under Part II, Item 8 of this Form 10-K.
(4) Reflects cash distributions of
onFebruary 13, 2020 , for the fourth-quarter 2019 distribution. 91
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GENERAL TRENDS AND OUTLOOK We expect our business to continue to be affected by the following key trends and uncertainties. Our expectations are based on assumptions made by us and information currently available to us. To the extent our underlying assumptions about, or interpretations of, available information prove incorrect, our actual results may vary materially from expected results. Impact of crude-oil, natural-gas, and NGLs prices. Crude-oil, natural-gas, and NGLs prices can fluctuate significantly, and have done so over time. Commodity-price fluctuations affect the overall level of our customers' activity and how our customers allocate capital within their own asset portfolio. The relatively volatile commodity-price environment over the past decade has impacted drilling activity in several of the basins in which we operate. Many of our customers, including Occidental, have shifted capital spending toward opportunities with superior economics and reduced activity in other areas. To the extent possible, and to maintain throughput on our systems, we will continue to connect new wells or production facilities to our systems to mitigate the impact of natural production declines. However, our success in connecting additional wells or production facilities is dependent on the activity levels of our customers. Additionally, we will continue to evaluate the crude-oil, NGLs, and natural-gas price environments and adjust our capital spending plans to reflect our customers' anticipated activity levels, while maintaining appropriate liquidity and financial flexibility. Liquidity and access to capital markets. Under the terms of our partnership agreement, we are required to distribute all of our available cash to our unitholders, which makes us dependent on our ability to raise capital to fund growth projects and acquisitions. Historically, we have accessed the debt and equity capital markets to raise money for growth projects and acquisitions. From time to time, capital market turbulence and investor sentiment towards MLPs have raised our cost of capital and, in some cases, temporarily made certain sources of capital unavailable. If we are either unable to access the capital markets or find alternative sources of capital at reasonable costs, our growth strategy will become more challenging to execute. Changes in regulations. Our operations and the operations of our customers have been, and will continue to be, affected by political developments and federal, state, tribal, local, and other laws and regulations that are becoming more numerous, more stringent, and more complex. These laws and regulations include, among other things, limitations on hydraulic fracturing and other oil and gas operations, pipeline safety and integrity requirements, permitting requirements, environmental protection measures such as limitations on methane and other GHG emissions, and restrictions on produced-water disposal wells. In addition, in certain areas in which we operate, public protests of oil and gas operations are becoming more frequent. The number and scope of the regulations with which we and our customers must comply has a meaningful impact on our and their businesses, and new or revised regulations, reinterpretations of existing regulations, and permitting delays or denials could adversely affect the throughput on and profitability of our assets. Impact of inflation. Although inflation inthe United States has been relatively low in recent years, theU.S. economy could experience significant inflation, which could increase our operating costs and capital expenditures materially and negatively impact our financial results. To the extent permitted by regulations and escalation provisions in certain of our existing agreements, we have the ability to recover a portion of increased costs in the form of higher fees. Impact of interest rates. Overall, short- and long-term interest rates decreased during 2019 and remained low relative to historical averages. Short-term interest rates experienced a sharp decrease in response to theFederal Open Market Committee ("FOMC") lowering its target range for the federal funds rate three separate times during 2019. Any future increases in the federal funds rate likely will result in an increase in short-term financing costs. Additionally, as with other yield-oriented securities, our unit price could be impacted by our implied distribution yield relative to market interest rates. Therefore, changes in interest rates, either positive or negative, may affect the yield requirements of investors who invest in our units, and a rising interest-rate environment could have an adverse impact on our unit price and our ability to issue additional equity, or increase the cost of issuing equity, to make acquisitions, reduce debt, or for other purposes. However, we expect our cost of capital to remain competitive, as our competitors face similar interest-rate dynamics. Acquisition opportunities. We may pursue certain asset acquisitions where such acquisitions complement our existing asset base or allow us to capture operational efficiencies. However, if we do not make additional acquisitions on an economically accretive basis, our future growth could be limited, and the acquisitions we make could reduce, rather than increase, our per-unit cash flows from operations. 92
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EQUITY OFFERINGS
See Note 5-Equity and Partners' Capital in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information.
WES common and general partner units. Under the Exchange Agreement, 9,060,641 common units were canceled and 9,060,641 general partner units were issued to the general partner. InFebruary 2019 , we issued 234,053,065 common units in connection with the Merger closing. See Note 1-Summary of Significant Accounting Policies and Note 5-Equity and Partners' Capital in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information. WES Operating common units. InFebruary 2019 , WES Operating (i) converted the IDRs and general partner units into 105,624,704 common units in connection with the Merger closing, and (ii) issued 45,760,201 common units as part of the AMA acquisition. WES Operating Class C units. All outstanding Class C units converted into WES Operating common units on a one-for-one basis immediately prior to the Merger closing. WES Operating Series A Preferred units. In 2016, WES Operating issued 21,922,831 Series A Preferred units to private investors. Pursuant to an agreement between WES Operating and the holders of the WES Operating Series A Preferred units, 50% of the WES Operating Series A Preferred units converted into WES Operating common units on a one-for-one basis onMarch 1, 2017 , and all remaining WES Operating Series A Preferred units converted into WES Operating common units on a one-for-one basis onMay 2, 2017 . See Note 5-Equity and Partners' Capital in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information. 93
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Table of Contents RESULTS OF OPERATIONS OPERATING RESULTS The following tables and discussion present a summary of our results of operations: Year Ended December 31, thousands 2019 2018 2017 Total revenues and other (1)$ 2,746,174 $ 2,299,658 $ 2,429,614 Equity income, net - affiliates 237,518 195,469 115,141 Total operating expenses (1) 1,750,943 1,635,157 1,905,327 Gain (loss) on divestiture and other, net (1,406 ) 1,312 132,388 Proceeds from business interruption insurance claims (2) - - 29,882 Operating income (loss) 1,231,343 861,282 801,698 Interest income - affiliates 16,900 16,900 16,900 Interest expense (303,286 ) (183,831 ) (142,520 ) Other income (expense), net (123,785 ) (4,763 ) 1,384 Income (loss) before income taxes 821,172 689,588 677,462 Income tax (benefit) expense 13,472 58,934 (59,923 ) Net income (loss) 807,700 630,654 737,385 Net income attributable to noncontrolling interests 110,459 79,083 196,595 Net income (loss) attributable to Western Midstream Partners, LP (3)$ 697,241 $ 551,571 $ 540,790 Key performance metrics (4) Adjusted gross margin$ 2,428,077 $ 1,978,205 $ 1,519,869 Adjusted EBITDA 1,719,090 1,466,445 1,169,651 Distributable cash flow 1,325,445 1,139,587 1,010,850 (1) Revenues and other include amounts earned from services provided to our
affiliates and from the sale of residue gas and NGLs to our affiliates.
Operating expenses include amounts charged by our affiliates for services
and reimbursements of amounts paid by affiliates to third parties on our
behalf. See Note 6-Transactions with Affiliates in the Notes to Consolidated
Financial Statements under Part II, Item 8 of this Form 10-K. (2) See Note 1-Summary of Significant Accounting Policies in the Notes to
Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
(3) For reconciliations to comparable consolidated results of WES Operating, see
Items Affecting the Comparability of Financial Results with WES Operating
within this Item 7.
(4) Adjusted gross margin, Adjusted EBITDA, and Distributable cash flow are
defined under the caption How We Evaluate Our Operations within this Item 7.
For reconciliations of these non-GAAP financial measures to their most
directly comparable financial measures calculated and presented in
accordance with GAAP, see How We Evaluate Our Operations-Reconciliation of
non-GAAP financial measures within this Item 7.
For purposes of the following discussion, any increases or decreases "for the year endedDecember 31, 2019 " refer to the comparison of the year endedDecember 31, 2019 , to the year endedDecember 31, 2018 , and any increases or decreases "for the year endedDecember 31, 2018 " refer to the comparison of the year endedDecember 31, 2018 , to the year endedDecember 31, 2017 . 94
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Table of Contents Throughput Year Ended December 31, Inc/ Inc/ 2019 2018 (Dec) 2017 (Dec) Throughput for natural-gas assets (MMcf/d) Gathering, treating, and transportation (1) 528 546 (3 )% 958 (43 )% Processing (1) 3,497 3,231 8 % 2,592 25 % Equity investment (2) 398 291 37 % 290 - % Total throughput 4,423 4,068 9 % 3,840 6 % Throughput attributable to noncontrolling interests (3) 175 170 3 % 179 (5 )% Total throughput attributable to WES for natural-gas assets 4,248 3,898 9 % 3,661 6 % Throughput for crude-oil, NGLs, and produced-water assets (MBbls/d) Gathering, treating, transportation, and disposal 876 534 64 % 258 107 % Equity investment (4) 343 241 42 % 148 63 % Total throughput 1,219 775 57 % 406 91 % Throughput attributable to noncontrolling interests (3) 24 15 60 % 8 88% Total throughput attributable to WES for crude-oil, NGLs, and produced-water assets 1,195 760 57 % 398 91 %
(1) The combination of the DBM complex and DBJV and Haley systems, effective
complex," and resulted in DBJV and Haley systems throughput previously
reported as "Gathering, treating, and transportation" now being reported as
"Processing."
(2) Represents the 14.81% share of average
average Rendezvous throughput, 50% share of average Mi Vida and Ranch Westex
throughput, and 30% share of average Red Bluff Express throughput. (3) For all periods presented, includes (i) the 25% third-party interest in Chipeta and (ii) the 2.0% Occidental subsidiary-owned limited partner
interest in WES Operating, which collectively represent WES's noncontrolling
interests as of
noncontrolling interests as a result of the Merger closing, see
Noncontrolling interests within Note 1-Summary of Significant Accounting
Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. (4) Represents the 10% share of average White Cliffs throughput; 25% share of average Mont Belvieu JV throughput; 20% share of average TEG, TEP, Whitethorn, and Saddlehorn throughput; 33.33% share of average FRP throughput; and 15% share of average Panola and Cactus II throughput.
Natural-gas assets
Gathering, treating, and transportation throughput decreased by 18 MMcf/d for the year endedDecember 31, 2019 , primarily due to production declines in areas around theSpringfield gas-gathering system. This decrease was partially offset by (i) increased throughput on the MIGC system due to new third-party customer volumes beginning in the second quarter of 2019 and (ii) increased production in areas around the Marcellus Interest systems. Gathering, treating, and transportation throughput decreased by 412 MMcf/d for the year endedDecember 31, 2018 , primarily due to (i) the combination of the DBM complex and DBJV and Haley systems into a single complex now referred to as the "West Texas complex," which resulted in DBJV and Haley systems throughput previously reported as "Gathering, treating, and transportation" now being reported as "Processing" (decrease of 258 MMcf/d) and (ii) the divestiture of the Non-Operated Marcellus Interest as part of theMarch 2017 Property Exchange (decrease of 158 MMcf/d). 95
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Processing throughput increased by 266 MMcf/d for the year endedDecember 31, 2019 , primarily due to (i) the start-up of Mentone Trains I and II at theWest Texas complex inNovember 2018 andMarch 2019 , respectively, and (ii) increased production in areas around theWest Texas andDJ Basin complexes. These increases were partially offset by (i) volumes being diverted away from the Granger straddle plant beginning in the fourth quarter of 2019 resulting from changes to the product mix of a third-party customer and (ii) downstream constraints during the third quarter of 2019 that impacted ourDJ Basin complex. Processing throughput increased by 639 MMcf/d for the year endedDecember 31, 2018 , primarily due to (i) the combination of the DBM complex and DBJV and Haley systems into theWest Texas complex, (ii) increased production in the areas around theDJ Basin andWest Texas complexes, (iii) the start-up of Train VI at theWest Texas complex inDecember 2017 , (iv) increased throughput at theWest Texas complex due to the acquisition of the Additional DBJV System Interest as part of theMarch 2017 Property Exchange, and (v) increased throughput at the MGR assets due to increased uptime compared to 2017. These increases were partially offset by lower throughput at the Chipeta complex due to downstream fractionation capacity constraints in the third quarter of 2018 and the expiration and non-renewal of a contract inSeptember 2017 . Equity-investment throughput increased by 107 MMcf/d for the year endedDecember 31, 2019 , primarily due to the acquisition of the interest inRed Bluff Express inJanuary 2019 , partially offset by decreased throughput at the Mi Vida and Ranch Westex plants due to affiliate volumes being diverted to theWest Texas complex for processing following the start-up of Mentone Trains I and II inNovember 2018 andMarch 2019 , respectively.
Crude-oil, NGLs, and produced-water assets
Gathering, treating, transportation, and disposal throughput increased by 342 MBbls/d for the year endedDecember 31, 2019 , primarily due to (i) increased throughput at the DBM water systems due to new water-disposal systems that commenced operations during the third and fourth quarters of 2018, (ii) increased throughput at the DBM oil system due to the commencement of ROTF operations in the second quarter of 2018 and increased production in the area, and (iii) increased production in areas around theDJ Basin oil system. Gathering, treating, transportation, and disposal throughput increased by 276 MBbls/d for the year endedDecember 31, 2018 , primarily due to (i) increased throughput from the DBM water systems that commenced operations beginning in the second quarter of 2017 and (ii) increased throughput at the DBM oil system due to the commencement of ROTF operations beginning in the second quarter of 2018. Equity-investment throughput increased by 102 MBbls/d for the year endedDecember 31, 2019 , primarily due to (i) the acquisition of our interest inWhitethorn LLC inJune 2018 and increased volumes on the Whitethorn pipeline due to additional committed volumes in 2019, (ii) the acquisition of our interest in Cactus II inJune 2018 , which began delivering crude oil during the third quarter of 2019, and (iii) increased volumes on the Saddlehorn pipeline due to incentive tariffs and additional committed volumes effective beginning in the third quarter of 2019. Equity-investment throughput increased by 93 MBbls/d for the year endedDecember 31, 2018 , primarily due to (i) the acquisition of our interest inWhitethorn LLC inJune 2018 and (ii) increased volumes on TEP and FRP as a result of increased NGLs production in theDJ Basin area. 96
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Table of Contents Service Revenues Year Ended December 31, Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) Service revenues - fee based$ 2,388,191 $ 1,905,728 25 %$ 1,357,876 40 % Service revenues - product based 70,127 88,785 (21 )% - NM Total service revenues$ 2,458,318 $ 1,994,513 23 %$ 1,357,876 47 % NM-Not Meaningful Service revenues - fee based Service revenues - fee based increased by$482.5 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$266.8 million at theWest Texas complex due to a higher average gathering fee effectiveJanuary 2019 ($186.3 million ) and increased throughput ($80.5 million ), (ii)$106.1 million at the DBM water systems due to increased throughput and new gathering and disposal agreements effectiveJuly 1, 2018 , (iii)$67.9 million at theDJ Basin complex due to increased throughput and a higher average processing fee, (iv)$48.6 million at the DBM oil system due to increased throughput and a higher average gathering fee due to a new agreement effectiveMay 2018 , and (v)$37.2 million at theDJ Basin oil system due to increased throughput, a higher average gathering fee, and an annual cost-of-service rate adjustment made during the fourth quarter of 2019. These increases were partially offset by a decrease of$32.6 million at theSpringfield system due to decreased volumes and an annual cost-of-service rate adjustment in the fourth quarter of 2019. Service revenues - fee based increased by$547.9 million for the year endedDecember 31, 2018 , primarily due to increases of (i)$154.5 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Our Financial Results within this Item 7, (ii)$141.3 million ,$71.5 million , and$19.1 million at theWest Texas complex and DBM andDJ Basin oil systems, respectively, due to increased throughput, (iii)$112.7 million at theDJ Basin complex due to increased throughput ($91.3 million ) and a higher processing fee ($21.4 million ), and (iv)$78.4 million at the DBM water systems that commenced operations beginning in the second quarter of 2017. These increases were partially offset by decreases of (i)$22.1 million due to the divestiture of the Non-Operated Marcellus Interest as part of theMarch 2017 Property Exchange and (ii)$10.4 million at theSpringfield system due to a lower cost-of-service rate.
Service revenues - product based
Service revenues - product based decreased by$18.7 million for the year endedDecember 31, 2019 , primarily due to (i) a decrease in volumes and pricing across several systems and (ii) a third-party producer contract termination at theWest Texas complex at the end of the first quarter of 2019. Service revenues - product based increased by$88.8 million for the year endedDecember 31, 2018 , due to the adoption of Topic 606. As discussed under Items Affecting the Comparability of Our Financial Results within this Item 7, under Topic 606, certain of our customer agreements result in revenues being recognized when the natural gas and/or NGLs are received from the customer as non-cash consideration for services provided. In addition, retained proceeds from sales of customer products, where we are acting as their agent, are included in Service revenues - product based. 97
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Table of Contents Product Sales Year Ended December 31, thousands except percentages and Inc/ Inc/ per-unit amounts 2019 2018 (Dec) 2017 (Dec) Natural-gas sales (1)$ 66,557 $ 85,015 (22 )%$ 391,393 (78 )% NGLs sales (1) 219,831 218,005 1 % 659,817 (67 )% Total Product sales$ 286,388 $ 303,020 (5 )%$ 1,051,210 (71 )% Per-unit gross average sales price (1): Natural gas (per Mcf)$ 1.65 $ 2.16 (24 )%$ 2.92 (26 )% NGLs (per Bbl) 20.93 31.55 (34 )% 23.88 32 %
(1) For the years ended
commodity-price swap agreements for the MGR assets and
excluding the amounts considered above market with respect to these swap
agreements that were recorded as capital contributions in the consolidated
statements of equity and partners' capital. See Note 6-Transactions with
Affiliates in the Notes to Consolidated Financial Statements under Part II,
Item 8 of this Form 10-K.
Natural-gas sales
Natural-gas sales decreased by$18.5 million for the year endedDecember 31, 2019 , primarily due to decreases of$24.0 million and$7.2 million at theWest Texas andDJ Basin complexes, respectively, due to decreases in average prices, partially offset by increases in volumes sold. These decreases were partially offset by an increase of$13.7 million at the Hilight system primarily due to the reversal of a portion of an accrual for anticipated product-purchase costs recorded in 2018 associated with the shutdown of the Kitty Draw gathering system (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). Natural-gas sales decreased by$306.4 million for the year endedDecember 31, 2018 , primarily due to decreases of (i)$258.9 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Our Financial Results within this Item 7, (ii)$24.6 million at theWest Texas complex due to a decrease in average price, partially offset by an increase in volumes sold, and (iii)$5.7 million due to a decrease in average price and$9.3 million due to the shutdown of the Kitty Draw gathering system, both at the Hilight system.
NGLs sales
NGLs sales increased by$1.8 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$17.7 million at theDJ Basin complex due to an increase in volumes sold, (ii)$7.1 million related to commodity-price swap agreements that expired inDecember 2018 , and (iii)$3.2 million at the DBM water systems due to an increase in volumes sold related to byproducts from the treatment of produced water. These increases were partially offset by decreases of (i)$14.3 million and$7.6 million at the MGR assets and Granger complex, respectively, due to decreases in average prices and volumes sold, and (ii)$6.1 million at the Chipeta complex due to a decrease in average price. NGLs sales decreased by$441.8 million for the year endedDecember 31, 2018 , primarily due to a decrease of$844.0 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Our Financial Results within this Item 7. This decrease was partially offset by increases of (i)$256.8 million at theWest Texas complex due to an increase in volumes sold, partially offset by a decrease in average price, (ii)$48.2 million at theDJ Basin complex due to an increase in the swap market price and volumes sold, (iii)$39.0 million at theDJ Basin oil system due to an increase in average price and volumes sold, (iv)$23.8 million at the Brasada complex due to volumes sold under a new sales agreement beginningJanuary 1, 2018 , and (v)$12.8 million at the DBM water systems due to an increase in volumes sold related to byproducts from the treatment of produced water. 98
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Table of Contents Other Revenues Year Ended December 31, Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) Other revenues$ 1,468 $ 2,125 (31 )%$ 20,528 (90 )% For the year endedDecember 31, 2018 , Other revenues decreased by$18.4 million , primarily due to deficiency fees of$8.8 million at the Chipeta complex and$7.2 million at the DBM water systems in 2017. Upon adoption of Topic 606 onJanuary 1, 2018 , deficiency fees are recorded as Service revenues - fee based in the consolidated statements of operations (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K).
Equity Income, Net - Affiliates
Year EndedDecember 31 , Inc/ Inc/
thousands except percentages 2019 2018 (Dec) 2017 (Dec)
Equity income, net - affiliates
Equity income, net - affiliates increased by$42.0 million for the year endedDecember 31, 2019 , primarily due to (i) the acquisition of our interest inWhitethorn LLC inJune 2018 and increased volumes on the Whitethorn pipeline due to additional committed volumes in 2019, (ii) increased volumes at FRP and the Saddlehorn pipeline, and (iii) the acquisition of our interest in Cactus II inJune 2018 , which began delivering crude oil during the third quarter of 2019. These increases were partially offset by a decrease in volumes at TEP. Equity income, net - affiliates increased by$80.3 million for the year endedDecember 31, 2018 , primarily due to (i) the acquisition of our interest inWhitethorn LLC inJune 2018 and (ii) increased volumes at the TEFR Interests, Saddlehorn pipeline, Mi Vida, and Ranch Westex. These increases were partially offset by a decrease in volumes at theFort Union system.
Cost of Product and Operation and Maintenance Expenses
Year Ended
Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) NGLs purchases (1)$ 331,872 $ 292,698 13 %$ 573,309 (49 )% Residue purchases (1) 100,570 125,106 (20 )% 367,179 (66 )% Other 11,805 (2,299 ) NM 13,304 (117 )% Cost of product 444,247 415,505 7 % 953,792 (56 )% Operation and maintenance 641,219 480,861 33 % 345,617 39 % Total Cost of product and Operation and maintenance expenses$ 1,085,466 $ 896,366 21 %$ 1,299,409 (31 )%
(1) For the year ended
commodity-price swap agreements for the MGR assets and
excluding the amounts considered above market with respect to these swap
agreements that were recorded as capital contributions in the consolidated
statements of equity and partners' capital. See Note 6-Transactions with
Affiliates in the Notes to Consolidated Financial Statements under Part II,
Item 8 of this Form 10-K. 99
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NGLs purchases
NGLs purchases increased by$39.2 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$48.1 million and$10.6 million at theWest Texas andDJ Basin complexes, respectively, primarily due to increases in volumes purchased and (ii)$3.3 million at the DBM water systems due to an increase in volumes purchased related to byproducts from the treatment of produced water. These increases were partially offset by decreases of (i)$9.8 million and$6.3 million at the MGR assets and Granger complex, respectively, due to decreases in average prices and volumes purchased and (ii)$7.4 million at the Chipeta complex due to a decrease in average price. NGLs purchases decreased by$280.6 million for the year endedDecember 31, 2018 , primarily due to a decrease of$690.2 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Financial Results within this Item 7, partially offset by increases of (i)$269.5 million at theWest Texas complex due to an increase in volumes purchased, (ii)$50.4 million and$40.4 million at theDJ Basin complex andDJ Basin oil system, respectively, due to increases in average prices and volumes purchased, (iii)$22.0 million at the Brasada complex due to volumes purchased under a new purchase agreement beginningJanuary 1, 2018 , and (iv)$11.8 million at the DBM water systems, which commenced operation beginning in the second quarter of 2017.
Residue purchases
Residue purchases decreased by$24.5 million for the year endedDecember 31, 2019 , primarily due to decreases of (i)$16.8 million at theWest Texas complex due to a decrease in average price, partially offset by an increase in volumes purchased, (ii)$3.8 million at the MGR assets due to a decrease in volumes purchased, and (iii)$2.7 million at the Hilight system due to decreases in volumes purchased and average price. Residue purchases decreased by$242.1 million for the year endedDecember 31, 2018 , primarily due to decreases of (i)$222.6 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Financial Results within this Item 7, (ii)$12.9 million at theWest Texas complex due to a decrease in average price, partially offset by an increase in volumes purchased, (iii)$6.8 million at the MGR assets due to decreases in average price and volumes purchased, and (iv)$5.0 million at the Hilight system due to a decrease in volumes purchased. These decreases were partially offset by an increase of$5.7 million at theDJ Basin complex due to an increase in volumes purchased, partially offset by a decrease in average price.
Other items
Other items increased by$14.1 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$8.4 million at theWest Texas complex due to changes in imbalance positions and an increase in volumes purchased and (ii)$4.0 million at theDJ Basin complex due to an increase in transportation costs. Other items decreased by$15.6 million for the year endedDecember 31, 2018 , primarily due to decreases of (i)$9.8 million from the adoption of Topic 606, as discussed under Items Affecting the Comparability of Financial Results within this Item 7 and (ii)$6.6 million from changes in imbalance positions primarily at theWest Texas complex.
Operation and maintenance expense
Operation and maintenance expense increased by$160.4 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$51.1 million at the DBM water systems due to new water-disposal systems that commenced operations during the third and fourth quarters of 2018 and higher surface-use fees, (ii)$39.0 million ,$32.3 million , and$17.9 million at theWest Texas complex,DJ Basin complex, and DBM oil system, respectively, primarily due to increases in surface maintenance and plant repairs, salaries and wages, utilities expense, and contract labor and consulting services, (iii)$6.9 million at theDJ Basin oil system due to increases in surface maintenance and plant repairs, salaries and wages, and utilities expense, and (iv)$5.9 million at theSpringfield system due to increases in surface maintenance and plant repairs and safety expense. Operation and maintenance expense increased by$135.2 million for the year endedDecember 31, 2018 , primarily due to increases of (i)$62.2 million at theWest Texas complex due to increases in salaries and wages, surface maintenance and plant repairs, utilities expense, and equipment rentals, (ii)$29.2 million at the DBM water systems, which commenced operation beginning in the second quarter of 2017, (iii)$25.4 million at theDJ Basin complex due to increases in utilities expense, surface maintenance and plant repairs, and salaries and wages, and (iv)$14.8 million at the DBM oil system due to increases in surface maintenance and plant repairs, salaries and wages, and chemicals and treating services. 100
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Table of Contents Other Operating Expenses Year Ended December 31, Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec)
General and administrative (1)
61,352 51,848 18 % 53,147 (2 )% Depreciation and amortization 483,255 389,164 24 % 318,771 22 % Impairments 6,279 230,584 (97 )%
180,051 28 %
Total other operating expenses
(1) Includes general and administrative expenses incurred on and subsequent to
the date of the acquisition of assets fromAnadarko , and a management services fee for expenses incurred byAnadarko for periods prior to the acquisition of such assets.
General and administrative expenses
General and administrative expenses increased by$47.4 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$46.1 million of personnel costs for which we reimbursed Occidental pursuant to the omnibus agreements, primarily as a result of the rate-redetermination provisions in the omnibus agreements with Occidental, resulting in a 30% increase in reimbursements for general and administrative expenses incurred on our behalf, which took effectJanuary 1, 2019 , and (ii)$6.3 million of expenses related to equity awards. These amounts were partially offset by a decrease of$4.4 million in legal and consulting fees. General and administrative expenses increased by$13.2 million for the year endedDecember 31, 2018 , primarily due to (i) legal and consulting fees incurred in 2018 and (ii) personnel costs for which we reimbursed Occidental pursuant to the omnibus agreements. These increases were partially offset by a decrease in bad debt expense. Property and other taxes Property and other taxes increased by$9.5 million for the year endedDecember 31, 2019 , primarily due to ad valorem tax increases (i) at theWest Texas complex due to the start-up of Mentone Train I inNovember 2018 and (ii) at theDJ Basin complex due to the completion of capital projects. Property and other taxes decreased by$1.3 million for the year endedDecember 31, 2018 , primarily due to ad valorem tax decreases of$5.8 million at theDJ Basin complex caused by revisions in estimated tax liabilities, offset by increases of$2.5 million and$2.1 million at theWest Texas complex and theDJ Basin oil system, respectively.
Depreciation and amortization expense
Depreciation and amortization expense increased by$94.1 million for the year endedDecember 31, 2019 , primarily due to increases of (i)$36.4 million at theWest Texas complex, (ii)$24.8 million at the DBM water systems, (iii)$13.6 million at the DBM oil system, and (iv)$8.2 million at theDJ Basin complex, all due to capital projects being placed into service. In addition, for the year endedDecember 31, 2019 , there was an increase of$7.5 million at the Hilight system, primarily due to an acceleration of depreciation expense and revisions in cost estimates related to asset retirement obligations. For further information regarding capital projects, see Liquidity andCapital Resources-Capital expenditures within this Item 7. Depreciation and amortization expense increased by$70.4 million for the year endedDecember 31, 2018 , primarily due to increases of (i)$30.4 million ,$12.9 million , and$10.8 million at theWest Texas complex, DBM water systems, and DBM oil system, respectively, due to capital projects being placed into service and (ii)$17.1 million at theDJ Basin complex related to the shutdown of theThird Creek gathering system (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). 101
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Impairment expense
Impairment expense for the year endedDecember 31, 2019 , was primarily due to impairments of$4.9 million at theDJ Basin complex. Impairment expense for the year endedDecember 31, 2018 , was primarily due to impairments of (i)$125.9 million at theThird Creek gathering system and$8.1 million at the Kitty Draw gathering system (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K), (ii)$38.7 million at the Hilight system, (iii)$34.6 million at the MIGC system, (iv)$10.9 million at the GNB NGL pipeline, (v)$5.6 million at the Chipeta complex, and (vi)$2.6 million at the DBM oil system. Impairment expense for the year endedDecember 31, 2017 , included (i) a$158.8 million impairment at the Granger complex, (ii) an$8.2 million impairment at the Hilight system, (iii) a$3.7 million impairment at the Granger straddle plant, (iv) a$3.1 million impairment at theFort Union system, (v) a$2.0 million impairment of an idle facility in northeastWyoming , and (vi) an impairment related to the cancellation of a pipeline project inWest Texas . For further information on impairment expense for the periods presented, see Note 8-Property, Plant, and Equipment in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
Interest Income - Affiliates and Interest Expense
Year Ended
Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) Note receivable - Anadarko$ 16,900 $ 16,900 - %$ 16,900 - % Interest income - affiliates$ 16,900 $ 16,900 - %$ 16,900 - % Third parties Long-term debt$ (315,872 ) $ (200,454 ) 58 %$ (143,400 ) 40 % Amortization of debt issuance costs and commitment fees (12,424 ) (9,110 ) 36 % (7,970 ) 14 % Capitalized interest 26,980 32,479 (17 )% 9,074 NM Affiliates APCWH Note Payable (1,833 ) (6,746 ) (73 )% (153 ) NM Finance lease liabilities (137 ) - NM - NM Deferred purchase price obligation - Anadarko - - NM (71 ) (100 )% Interest expense$ (303,286 ) $ (183,831 ) 65 %$ (142,520 ) 29 % Interest expense increased by$119.5 million for the year endedDecember 31, 2019 , primarily due to (i)$74.9 million of interest incurred on the Term loan facility entered into inDecember 2018 , (ii)$23.4 million of interest incurred on the 4.750% Senior Notes due 2028 and 5.500% Senior Notes due 2048 that were issued inAugust 2018 , (iii)$18.5 million due to higher outstanding borrowings on the RCF in 2019, and (iv)$9.5 million due to interest incurred on the 4.500% Senior Notes due 2028 and 5.300% Senior Notes due 2048 that were issued inMarch 2018 . Interest expense increased by$41.3 million for the year endedDecember 31, 2018 , primarily due to (i)$46.3 million of interest incurred on the 4.500% Senior Notes due 2028 and 5.300% Senior Notes due 2048 that were issued inMarch 2018 , (ii)$15.3 million of interest incurred on the 4.750% Senior Notes due 2028 and 5.500% Senior Notes due 2048 that were issued inAugust 2018 , and (iii)$6.6 million of interest incurred on the APCWH Note Payable. These increases were partially offset by an increase in capitalized interest of$23.4 million , primarily due to continued construction and expansion at (i) theDJ Basin complex, including construction of the Latham processing plant beginning in 2018, (ii) theWest Texas complex, including construction of theMentone processing plant beginning in the fourth quarter of 2017, and (iii) the DBM oil system, including construction of the ROTFs that commenced operations in 2018. 102
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Table of Contents Other Income (Expense), Net Year Ended December 31, Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) Other income (expense), net$ (123,785 ) $ (4,763 ) NM$ 1,384 NM Other income (expense), net decreased by$119.0 million for the year endedDecember 31, 2019 , primarily due to a net loss of$125.3 million on interest-rate swaps that were cash-settled inDecember 2019 . See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information. Other income (expense), net decreased by$6.1 million for the year endedDecember 31, 2018 , primarily due to a non-cash loss of$8.0 million on interest-rate swaps entered into inDecember 2018 . See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information. Income Tax (Benefit) Expense Year Ended December 31, Inc/ Inc/ thousands except percentages 2019 2018 (Dec) 2017 (Dec) Income (loss) before income taxes$ 821,172 $ 689,588 19 %$ 677,462 2 % Income tax (benefit) expense 13,472 58,934 (77 )% (59,923 ) (198 )% Effective tax rate 2 % 9 % NM We are not a taxable entity forU.S. federal income tax purposes. However, our income apportionable toTexas is subject toTexas margin tax. For the periods presented, the variance from the federal statutory rate, which is zero percent as a non-taxable entity, is primarily due to federal and state taxes on pre-acquisition income attributable to assets previously acquired fromAnadarko , and our share ofTexas margin tax. During the year endedDecember 31, 2017 , AMA recognized a one-time deferred tax benefit of$87.3 million due to the impact of theU.S. Tax Cuts and Jobs Act signed into law onDecember 22, 2017 . This was offset by federal and state taxes on pre-acquisition income attributable to the AMA assets acquired fromAnadarko and our share ofTexas margin tax. Income attributable to the AMA assets prior to and includingFebruary 2019 was subject to federal and state income tax. Income earned on the AMA assets for periods subsequent toFebruary 2019 was only subject toTexas margin tax on income apportionable toTexas . 103
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Table of Contents KEY PERFORMANCE METRICS Year Ended December 31, thousands except percentages and Inc/ Inc/ per-unit amounts 2019 2018 (Dec) 2017 (Dec) Adjusted gross margin for natural-gas assets (1)$ 1,656,041 $ 1,443,466 15 %$ 1,256,160 15 % Adjusted gross margin for crude-oil, NGLs, and produced-water assets (1) 772,036 534,739 44 % 263,709 103 % Adjusted gross margin (1) (2) 2,428,077 1,978,205 23 % 1,519,869 30 % Per-Mcf Adjusted gross margin for natural-gas assets (3) 1.07 1.01 6 % 0.94 7 % Per-Bbl Adjusted gross margin for crude-oil, NGLs, and produced-water assets (4) 1.77 1.93 (8 )% 1.82 6 % Adjusted EBITDA (2) 1,719,090 1,466,445 17 % 1,169,651 25 % Distributable cash flow (2) 1,325,445 1,139,587
16 % 1,010,850 13 %
(1) Adjusted gross margin is calculated as total revenues and other (less
reimbursements for electricity-related expenses recorded as revenue), less
cost of product, plus distributions from our equity investments, and excluding the noncontrolling interests owners' proportionate share of revenues and cost of product.
(2) For a reconciliation of Adjusted gross margin, Adjusted EBITDA, and
Distributable cash flow to the most directly comparable financial measure
calculated and presented in accordance with GAAP, see the descriptions under
How We Evaluate Our Operations-Reconciliation of non-GAAP financial measures
within this Item 7.
(3) Average for period. Calculated as Adjusted gross margin for natural-gas
assets, divided by total throughput (MMcf/d) attributable to WES for natural-gas assets.
(4) Average for period. Calculated as Adjusted gross margin for crude-oil, NGLs,
and produced-water assets, divided by total throughput (MBbls/d) attributable to WES for crude-oil, NGLs, and produced-water assets. Adjusted gross margin. Adjusted gross margin increased by$449.9 million for the year endedDecember 31, 2019 , primarily due to (i) increased throughput at theWest Texas andDJ Basin complexes, (ii) the start-up of new water-disposal systems during the third and fourth quarters of 2018, (iii) increased throughput and a higher average gathering fee due to a new agreement effectiveMay 2018 at the DBM oil system, (iv) increased throughput, a higher average gathering fee, and an annual cost-of-service rate adjustment made during the fourth quarter of 2019 at theDJ Basin oil system, and (v) the acquisition of our interest inWhitethorn LLC inJune 2018 and increased volumes on the Whitethorn pipeline. These increases were partially offset by decreased throughput and an annual cost-of-service rate adjustment in the fourth quarter of 2019 at theSpringfield system (see Revenue and cost of product under Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). Adjusted gross margin increased by$458.3 million for the year endedDecember 31, 2018 , primarily due to (i) increased throughput at theWest Texas complex and DBM oil system, (ii) increased throughput and an annual cost-of-service rate adjustment in the fourth quarter of 2018 at theDJ Basin oil system, (iii) increased throughput and a higher processing fee at theDJ Basin complex, (iv) the start-up of the DBM water systems beginning in the second quarter of 2017, (v) the acquisition of our interest inWhitethorn LLC inJune 2018 , (vi) theMarch 2017 Property Exchange, and (vii) an annual cost-of-service rate adjustment at theSpringfield system in the fourth quarter of 2018 (see Revenue and cost of product under Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). These increases were partially offset by a decrease due to the shutdown of the Kitty Draw gathering system (part of the Hilight system) in 2018 (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). Per-Mcf Adjusted gross margin for natural-gas assets increased by$0.06 for the year endedDecember 31, 2019 , primarily due to increased throughput at theWest Texas complex, which has a higher-than-average per-Mcf margin as compared to our other natural-gas assets. Per-Mcf Adjusted gross margin for natural-gas assets increased by$0.07 for the year endedDecember 31, 2018 , primarily due to (i) increased throughput at theWest Texas complex, which has a higher-than-average per-Mcf margin as compared to our other natural-gas assets, (ii) theMarch 2017 Property Exchange, and (iii) an annual cost-of-service rate adjustment at theSpringfield gas-gathering system in the fourth quarter of 2018. 104
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Per-Bbl Adjusted gross margin for crude-oil, NGLs, and produced-water assets decreased by$0.16 for the year endedDecember 31, 2019 , primarily due to increased throughput at the DBM water systems, which has a lower per-Bbl margin than our other crude-oil and NGLs assets. This decrease was partially offset by (i) increased throughput, a higher average gathering fee, and an annual cost-of-service rate adjustment made during the fourth quarter of 2019 at theDJ Basin oil system, (ii) increased throughput and a higher average gathering fee due to a new agreement effectiveMay 2018 at the DBM oil system, and (iii) the acquisition of our interest inWhitethorn LLC inJune 2018 and increased volumes on the Whitethorn pipeline. Per-Bbl Adjusted gross margin for crude-oil, NGLs, and produced-water assets increased by$0.11 for the year endedDecember 31, 2018 , primarily due to (i) increased throughput and an annual cost-of-service rate adjustment in the fourth quarter of 2018 at theDJ Basin oil system, (ii) increased throughput at the DBM oil system, (iii) the acquisition of our interest inWhitethorn LLC inJune 2018 , (iv) higher distributions received from the TEFR Interests and the Mont Belvieu JV, and (v) an annual cost-of-service rate adjustment at theSpringfield oil-gathering system in the fourth quarter of 2018. These increases were partially offset by increased throughput at the DBM water systems, which has a lower per-Bbl margin than our other crude-oil and NGLs assets. Adjusted EBITDA. Adjusted EBITDA increased by$252.6 million for the year endedDecember 31, 2019 , primarily due to (i) an increase of$446.5 million in total revenues and other and (ii) an increase of$47.9 million in distributions from equity investments. These amounts were partially offset by (i) an increase of$160.4 million in operation and maintenance expenses, (ii) an increase of$40.3 million in general and administrative expenses excluding non-cash equity-based compensation expense, (iii) an increase of$29.3 million in cost of product (net of lower of cost or market inventory adjustments), and (iv) an increase of$9.5 million in property taxes. Adjusted EBITDA increased by$296.8 million for the year endedDecember 31, 2018 , primarily due to (i) a$538.9 million decrease in cost of product (net of lower of cost or market inventory adjustments) and (ii) a$68.2 million increase in distributions from equity investments. These amounts were partially offset by (i) a$135.2 million increase in operation and maintenance expenses, (ii) a$130.0 million decrease in total revenues and other, (iii) a$29.9 million decrease in business interruption proceeds, and (iv) an$11.1 million increase in general and administrative expenses excluding non-cash equity-based compensation expense. Distributable cash flow. Distributable cash flow increased by$185.9 million for the year endedDecember 31, 2019 , primarily due to (i) an increase of$252.6 million in Adjusted EBITDA and (ii)$91.3 million of customer billings in excess of the amount recognized as Service revenues - fee based. These amounts were partially offset by (i) an increase of$113.9 million in net cash paid for interest expense, (ii) a decrease of$44.2 million in the above-market component of the swap agreements withAnadarko , and (iii) an increase of$3.7 million in cash paid for maintenance capital expenditures. For the year endedDecember 31, 2019 , Distributable cash flow excludes cash payments of$107.7 million related to the settlement of interest-rate swap agreements. See the definition of Distributable cash flow under How We Evaluate Our Operations within this Item 7 and see Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Distributable cash flow increased by$128.7 million for the year endedDecember 31, 2018 , primarily due to (i) a$296.8 million increase in Adjusted EBITDA and (ii) a$7.5 million decrease in WES Operating Series A Preferred unit distributions. These amounts were partially offset by (i) a$64.8 million increase in net cash paid for interest expense, (ii)$62.5 million of customer billings less than the amount recognized as Service revenues - fee based, (iii) a$43.3 million increase in cash paid for maintenance capital expenditures, and (iv) a$6.9 million decrease in the above-market component of the swap agreements withAnadarko . 105
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LIQUIDITY AND CAPITAL RESOURCES Our primary cash requirements are for capital expenditures, debt service, customary operating expenses, quarterly distributions, distributions to our noncontrolling interest owners, and strategic acquisitions. Our sources of liquidity as ofDecember 31, 2019 , included cash and cash equivalents, cash flows generated from operations, interest income on our$260.0 million note receivable fromAnadarko , available borrowing capacity under the RCF, and issuances of additional equity or debt securities. We believe that cash flows generated from these sources will be sufficient to satisfy our short-term working capital requirements, and long-term maintenance and expansion capital expenditure requirements. The amount of future distributions to unitholders will depend on our results of operations, financial condition, capital requirements, and other factors, and will be determined by the Board of Directors on a quarterly basis. Due to our cash distribution policy, we expect to rely on external financing sources, including equity and debt issuances, to fund expansion capital expenditures and future acquisitions. However, we also may use operating cash flows to fund expansion capital expenditures or acquisitions, which could result in subsequent borrowings under the RCF to pay distributions or to fund other short-term working capital requirements. Our partnership agreement requires that we distribute all of our available cash (as defined in our partnership agreement) within 55 days following each quarter's end. Our cash flow and resulting ability to make cash distributions are completely dependent on our ability to generate favorable cash flow from operations. Generally, our available cash is our cash on hand at the end of a quarter after the payment of our expenses and the establishment of cash reserves and cash on hand resulting from working capital borrowings made after the end of the quarter. We have made cash distributions to our unitholders each quarter since our IPO in 2012 and have increased our quarterly distribution each quarter since the fourth quarter of 2012. The Board of Directors declared a cash distribution to unitholders for the fourth quarter of 2019 of$0.62200 per unit, or$281.8 million in the aggregate. The cash distribution was paid onFebruary 13, 2020 , to our unitholders of record at the close of business onJanuary 31, 2020 . Management continuously monitors our leverage position and coordinates our capital expenditure program, quarterly distributions, and acquisition strategy with our expected cash flows and projected debt-repayment schedule. We will continue to evaluate funding alternatives, including additional borrowings and the issuance of debt or equity securities, to secure funds as needed or to refinance outstanding debt balances with longer-term debt issuances. Our ability to generate cash flows is subject to a number of factors, some of which are beyond our control. Read Risk Factors under Part I, Item 1A of this Form 10-K. Working capital. As ofDecember 31, 2019 , we had an$83.5 million working capital deficit, which we define as the amount by which current liabilities exceed current assets. Working capital is an indication of liquidity and potential need for short-term funding. Working capital requirements are driven by changes in accounts receivable and accounts payable and other factors such as credit extended to, and the timing of collections from, our customers, and the level and timing of our spending for acquisitions, maintenance, and expansion activity. The working capital deficit as ofDecember 31, 2019 , was primarily due to the costs incurred related to continued construction and expansion at theWest Texas andDJ Basin complexes, DBM oil system, and DBM water systems. As ofDecember 31, 2019 , there was$1.6 billion available for borrowing under the RCF. See Note 11-Components of Working Capital and Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. 106
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Capital expenditures. Our business is capital intensive, requiring significant investment to maintain and improve existing facilities or to develop new midstream infrastructure. We categorize capital expenditures as one of the following:
• maintenance capital expenditures, which include those expenditures
required to maintain existing operating capacity and service capability of
our assets, such as to replace system components and equipment that have
been subject to significant use over time, become obsolete or reached the
end of their useful lives, to remain in compliance with regulatory or
legal requirements, or to complete additional well connections to maintain
existing system throughput and related cash flows; or
• expansion capital expenditures, which include expenditures to construct new
midstream infrastructure and expenditures incurred to extend the useful
lives of our assets, reduce costs, increase revenues, or increase system
throughput or capacity from current levels, including well connections that
increase existing system throughput.
Capital expenditures in the consolidated statements of cash flows reflect capital expenditures on a cash basis, when payments are made. Capital incurred is presented on an accrual basis. Acquisitions and capital expenditures as presented in the consolidated statements of cash flows and capital incurred were as follows: Year Ended December 31, thousands 2019 2018 2017 Acquisitions$ 2,101,229 $ 162,112 $ 181,708 Expansion capital expenditures$ 1,064,281 $ 1,827,730 $ 949,375 Maintenance capital expenditures 124,548 120,865 77,557 Total capital expenditures (1) (2)$ 1,188,829 $ 1,948,595 $ 1,026,932 Capital incurred (1) (3)$ 1,055,151 $ 1,910,508 $ 1,252,067 (1) For the years endedDecember 31, 2019 , 2018, and 2017, included$23.3 million ,$31.1 million , and$9.1 million , respectively, of capitalized interest. For the years endedDecember 31, 2018 and 2017, capitalized interest included$9.0 million and$2.2 million , respectively, of pre-acquisition capitalized interest for AMA. (2) Capital expenditures for the years endedDecember 31, 2018 and 2017,
included
capital expenditures for
of construction costs from affiliates.
(3) Capital incurred for the years ended
incurred for AMA. Acquisitions during 2019 included AMA and the 30% interest in Red Bluff Express. Acquisitions during 2018 included a 20% interest inWhitethorn LLC , a 15% interest in Cactus II, and equipment purchases from affiliates. Acquisitions during 2017 included the Additional DBJV System Interest, the additional interest in Ranch Westex, and equipment purchases from affiliates. See Note 3-Acquisitions and Divestitures and Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Capital expenditures, excluding acquisitions, decreased by$759.8 million for the year endedDecember 31, 2019 . Expansion capital expenditures decreased by$763.4 million (including a$7.8 million decrease in capitalized interest) for the year endedDecember 31, 2019 , primarily due to decreases of (i)$423.8 million at theWest Texas complex primarily due to the completion ofMentone Trains I and II that commenced operations inNovember 2018 andMarch 2019 , respectively, (ii)$246.5 million at the DBM oil system primarily due to the completion of the ROTFs that commenced operations in the second quarter of 2018, and (iii)$196.8 million at the DBM water systems due to the completion of the water systems that commenced operations in the third and fourth quarters of 2018. These decreases were partially offset by an increase of$88.1 million at theDJ Basin complex primarily due to continued construction of the Latham processing plant. Maintenance capital expenditures increased by$3.7 million for the year endedDecember 31, 2019 , primarily due to increases at the DBM oil system andDJ Basin complex, partially offset by decreases at theWest Texas complex and Hilight system. 107
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Capital expenditures, excluding acquisitions, increased by$921.7 million for the year endedDecember 31, 2018 . Expansion capital expenditures increased by$878.4 million (including a$22.0 million increase in capitalized interest) for the year endedDecember 31, 2018 , primarily due to increases of (i)$271.7 million at theWest Texas complex,$222.4 million at theDJ Basin complex, and$182.4 million at the DBM oil system, primarily due to pipe, compression, and processing projects and (ii)$200.2 million at the DBM water systems due to produced-water gathering and disposal projects. Maintenance capital expenditures increased by$43.3 million for the year endedDecember 31, 2018 , primarily due to increases at theDJ Basin andWest Texas complexes and theDJ Basin oil system, which were partially offset by a decrease at the DBM oil system. For the year endingDecember 31, 2020 , we estimate that our total capital expenditures will be between$875.0 million to$950.0 million (excluding acquisitions and including our 75% share of Chipeta's capital expenditures and equity investments) and our maintenance capital expenditures will be between$125.0 million to$135.0 million .
Historical cash flow. The following table and discussion present a summary of our net cash flows provided by (used in) operating activities, investing activities and financing activities:
Year Ended December 31, thousands 2019 2018 2017 Net cash provided by (used in): Operating activities$ 1,324,100 $ 1,348,175 $ 1,042,715 Investing activities (3,387,853 ) (2,210,813 ) (1,133,324 ) Financing activities 2,071,573
875,192 (188,875 )
Net increase (decrease) in cash and cash equivalents
Operating Activities. Net cash provided by operating activities decreased for the year endedDecember 31, 2019 , primarily due to cash payments made for the settlement of the interest-rate swap agreements, partially offset by increases in distributions from equity investments and the impact of other changes in working capital items. Net cash provided by operating activities increased for the year endedDecember 31, 2018 , primarily due to the impact of changes in working capital items and increases in distributions from equity investments. Refer to Operating Results within this Item 7 for a discussion of our results of operations as compared to the prior periods.
Investing Activities. Net cash used in investing activities for the year ended
•
•
expansion at the
water systems;
•
TEFR Interests, Red Bluff Express,Whitethorn LLC , and White Cliffs for construction activities;
•
Express; and
•
of cumulative earnings.
Net cash used in investing activities for the year ended
•
expansion at the DBM oil and DBM water systems and theWest Texas andDJ Basin complexes; •$161.9 million of cash paid for the acquisitions of our interests inWhitethorn LLC and Cactus II;
•
TEFR Interests,Whitethorn LLC , and White Cliffs for construction activities; and 108
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•
of cumulative earnings.
Net cash used in investing activities for the year ended
•
in aid of construction costs from affiliates, primarily related to
construction and expansion at the DBJV system, DBM complex, DBM oil system,
andDJ Basin complex and the construction of the DBM water systems;
•
•
in Ranch Westex;
•
•
of cumulative earnings;
•
systems inUtah ; and
•
the incident at the DBM complex in 2015.
Financing Activities. Net cash provided by financing activities for the year
ended
•
costs, which were used to fund the acquisition of AMA, repay the APCWH Note Payable, and repay amounts outstanding under the RCF;
•
partnership purposes, including to fund capital expenditures; •$458.8 million of net contributions fromAnadarko representing intercompany transactions attributable to the acquisition of AMA;
•
to fund the construction of the DBM water systems; •$7.4 million of capital contributions fromAnadarko related to the above-market component of swap agreements;
•
•
•
APCWH Note Payable;
•
of WES Operating;
•
RCF, which matured in
•
Chipeta. 109
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Net cash provided by financing activities for the year ended
•
due 2028 and 5.300% Senior Notes due 2048 in
and original issue discounts and offering costs, which were used to repay
amounts outstanding under the RCF and for general partnership purposes,
including to fund capital expenditures;
•
Notes due 2028 and 5.500% Senior Notes due 2048 in
underwriting and original issue discounts and offering costs, which were
used to repay the maturing 2.600% Senior Notes due
amounts outstanding under the RCF, and for general partnership purposes,
including to fund capital expenditures;
•
costs, which were used for general partnership purposes, including to fund
capital expenditures;
•
to fund the construction of the DBM water systems;
•
transactions attributable to the acquisition of AMA; •$51.6 million of capital contributions fromAnadarko related to the above-market component of swap agreements;
•
•
•
of WES Operating;
•
dueAugust 2018 ;
•
Chipeta; and
•
facility.
Net cash used in financing activities for the year ended
•
partnership purposes, including funding of capital expenditures; •$126.9 million of net contributions fromAnadarko representing intercompany transactions attributable to the acquisition of AMA;
•
to fund the construction of the DBM water systems; •$58.6 million of capital contributions fromAnadarko related to the above-market component of swap agreements;
•
•
of WES Operating;
•
purchase price obligation -Anadarko ; and
•
Chipeta. 110
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Debt and credit facilities. As ofDecember 31, 2019 , the carrying value of outstanding debt was$8.0 billion . See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
WES Operating Senior Notes. At
WGP RCF. InFebruary 2018 , we voluntarily reduced the aggregate commitment of lenders under the WGP RCF to$35.0 million . The WGP RCF, which previously was available to purchase WES Operating common units and for general partnership purposes, matured inMarch 2019 and the$28.0 million of outstanding borrowings were repaid. Revolving credit facility. The RCF is expandable to a maximum of$2.5 billion and bears interest at LIBOR, plus applicable margins ranging from 1.00% to 1.50%, or an alternate base rate equal to the greatest of (a) the Prime Rate, (b) the Federal Funds Effective Rate plus 0.50%, or (c) LIBOR plus 1.00%, in each case plus applicable margins currently ranging from zero to 0.50%, based on WES Operating's senior unsecured debt rating. A required quarterly facility fee is paid ranging from 0.125% to 0.250% of the commitment amount (whether drawn or undrawn), which also is based on the senior unsecured debt rating. InDecember 2019 , WES Operating entered into an amendment to the RCF to, among other things, exercise the final one-year extension option to extend the maturity date of the RCF fromFebruary 2024 toFebruary 2025 , for each extending lender. The maturity date with respect to each non-extending lender, whose commitments represent$100.0 million out of$2.0 billion of total commitments from all lenders, remainsFebruary 2024 . See Executive Summary-December 2019 Agreements within this Item 7 for more information. As ofDecember 31, 2019 , there were$380.0 million of outstanding borrowings and$4.6 million of outstanding letters of credit, resulting in$1.6 billion of available borrowing capacity under the RCF. AtDecember 31, 2019 , the interest rate on any outstanding RCF borrowings was 3.04% and the facility fee rate was 0.20%. AtDecember 31, 2019 , WES Operating was in compliance with all covenants under the RCF. Term loan facility. InDecember 2018 , WES Operating entered into the Term loan facility, the proceeds from which were used to fund substantially all of the cash portion of the consideration under the Merger Agreement and the payment of related transaction costs (see Executive Summary-Merger transactions within this Item 7). The Term loan facility bears interest at LIBOR, plus applicable margins ranging from 1.000% to 1.625%, or an alternate base rate equal to the greatest of (a) the Prime Rate, (b) the Federal Funds Effective Rate plus 0.50%, or (c) LIBOR plus 1.00%, in each case as defined in the Term loan facility and plus applicable margins currently ranging from zero to 0.625%, based on WES Operating's senior unsecured debt rating. Net cash proceeds received from future asset sales and debt or equity offerings must be used to repay amounts outstanding under the facility. The Term loan facility contains covenants and certain events of default that are substantially similar to those contained in the RCF. InJuly 2019 , WES Operating entered into an amendment to the Term loan facility to (i) extend the maturity date fromFebruary 2020 toDecember 2020 , (ii) increase commitments available under the Term loan facility from$2.0 billion to$3.0 billion , the incremental$1.0 billion of which was subsequently drawn by WES Operating onSeptember 13, 2019 , and used to repay outstanding borrowings under the RCF, and (iii) modify the provision requiring that all debt issuance proceeds be used to repay the Term loan facility to allow for a$1.0 billion exclusion for debt-offering proceeds. As ofDecember 31, 2019 , there were$3.0 billion of outstanding borrowings under the Term loan facility that were subject to an interest rate of 3.10%. WES Operating was in compliance with all covenants under the Term loan facility as ofDecember 31, 2019 . The outstanding borrowings under the Term loan facility were classified as Long-term debt on the consolidated balance sheet atDecember 31, 2019 . InJanuary 2020 , WES Operating repaid the outstanding borrowings under the Term loan facility with proceeds from the issuance of the Senior Notes and Floating Rate Notes (see Note 16-Subsequent Events in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information). The RCF and Term loan facility contain certain covenants that limit, among other things, WES Operating's ability, and that of certain of its subsidiaries, to incur additional indebtedness, grant certain liens, merge, consolidate, or allow any material change in the character of its business, enter into certain affiliate transactions and use proceeds other than for partnership purposes. The RCF and Term loan facility also contain various customary covenants, certain events of default, and a maximum consolidated leverage ratio as of the end of each fiscal quarter (which is defined as the ratio of consolidated indebtedness as of the last day of a fiscal quarter to Consolidated Earnings Before Interest, Taxes, Depreciation, and Amortization for the most-recent four-consecutive fiscal quarters ending on such day) of 5.0 to 1.0, or a consolidated leverage ratio of 5.5 to 1.0 with respect to quarters ending in the 270-day period immediately following certain acquisitions. 111
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Prior toDecember 31, 2019 , WES Operating GP was indemnified by wholly owned subsidiaries of Occidental against any claims made against WES Operating GP for WES Operating's long-term debt and/or borrowings under the RCF and Term loan facility. These indemnification agreements were terminated as part of theDecember 2019 Agreements. See Executive Summary-December 2019 Agreements within this Item 7 for more information. APCWH Note Payable. InJune 2017 , in connection with funding the construction of the APC water systems that were acquired as part of the AMA acquisition, APCWH entered into an eight-year note payable agreement withAnadarko . This note payable had a maximum borrowing limit of$500.0 million , including accrued interest, which was payable at maturity at the applicable mid-term federal rate based on a quarterly compounding basis as determined by theU.S. Secretary of theTreasury . The APCWH Note Payable was repaid at Merger completion (see Executive Summary-Merger transactions within this Item 7). Interest-rate swaps. InDecember 2018 andMarch 2019 , WES Operating entered into interest-rate swap agreements with an aggregate notional principal amount of$750.0 million and$375.0 million , respectively, to manage interest-rate risk associated with anticipated debt issuances. Pursuant to these swap agreements, WES Operating received a floating interest rate indexed to the three-month LIBOR and paid a fixed interest rate. In November andDecember 2019 , WES Operating entered into additional interest-rate swap agreements with an aggregate notional principal amount of$1,125.0 million . Pursuant to these swap agreements, WES Operating received a fixed interest rate and paid a floating interest rate indexed to the three-month LIBOR, effectively offsetting the swap agreements entered into inDecember 2018 andMarch 2019 . InDecember 2019 , all outstanding interest-rate swap agreements were cash-settled. As part of the settlement, WES Operating made cash payments of$107.7 million and recorded an accrued liability of$25.6 million to be paid quarterly in 2020. These cash payments were classified as cash flows from operating activities in the consolidated statement of cash flows. We did not apply hedge accounting and, therefore, gains and losses associated with the interest-rate swap agreements were recognized in earnings. For the year endedDecember 31, 2019 , a net loss of$125.3 million was recognized, which is included in Other income (expense), net in the consolidated statements of operations. See Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for additional information. DBJV acquisition - Deferred purchase price obligation -Anadarko . Prior to WES Operating's agreement withAnadarko to settle the deferred purchase price obligation early, the consideration that would have been paid for theMarch 2015 acquisition of DBJV fromAnadarko consisted of a cash payment toAnadarko due onMarch 31, 2020 . InMay 2017 , WES Operating reached an agreement withAnadarko to settle this obligation with a cash payment toAnadarko of$37.3 million , which was equal to the estimated net present value of the obligation atMarch 31, 2017 . Credit risk. We bear credit risk through exposure to non-payment or non-performance by our counterparties, including Occidental, financial institutions, customers, and other parties. Generally, non-payment or non-performance results from a customer's inability to satisfy payables to us for services rendered or volumes owed pursuant to gas imbalance agreements. We examine and monitor the creditworthiness of third-party customers and may establish credit limits for third-party customers. A substantial portion of our throughput, however, comes from producers, including Occidental, that have investment-grade ratings. We are subject to the risk of non-payment or late payment by Occidental for gathering, processing, transportation, and disposal fees and for proceeds from the sale of residue, NGLs, and condensate to Occidental. We expect our exposure to concentrated risk of non-payment or non-performance to continue for as long as we remain dependent on Occidental for over 50% of our revenues. Additionally, we are exposed to credit risk on the note receivable fromAnadarko . We also are party to agreements with Occidental under which Occidental is required to indemnify us for certain environmental claims, losses arising from rights-of-way claims, failures to obtain required consents or governmental permits, and income taxes with respect to the assets previously acquired fromAnadarko . See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Our ability to make distributions to our unitholders may be adversely impacted if Occidental becomes unable to perform under the terms of gathering, processing, transportation, and disposal agreements; natural-gas and NGLs purchase agreements;Anadarko's note payable to WES Operating; the contribution agreements; or theDecember 2019 Agreements (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K). 112
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ITEMS AFFECTING THE COMPARABILITY OF FINANCIAL RESULTS WITH WES OPERATING
Our consolidated financial statements include the consolidated financial results of WES Operating. Our results of operations do not differ materially from the results of operations and cash flows of WES Operating, which are reconciled below.
Reconciliation of net income (loss) attributable to WES to net income (loss) attributable to WES Operating. The differences between net income (loss) attributable to WES and net income (loss) attributable to WES Operating are reconciled as follows:
Year Ended December 31, thousands 2019 2018
2017
Net income (loss) attributable to WES$ 697,241 $ 551,571 $ 540,790 Limited partner interests in WES Operating not held by WES (1) 103,364 70,474 185,860 General and administrative expenses (2) 6,819 4,029 2,872 Other income (expense), net (79 ) (192 ) (85 ) Interest expense 245
2,035 2,229
Net income (loss) attributable to WES Operating
(1) Represents the portion of net income (loss) allocated to the limited partner
interests in WES Operating not held by WES. As of
and 2017, the public held a 0%, 59.2%, and 59.6% limited partner interest in
WES Operating, respectively. Certain subsidiaries of Occidental separately
held a 2.0%, 9.7%, and 9.1% limited partner interest in WES Operating as of
Merger closing, the WES Operating IDRs and the general partner units were
converted into a non-economic general partner interest in WES Operating and
WES Operating common units, and at Merger completion, all WES Operating
common units held by the public and subsidiaries of
common units held by WES, WES Operating GP, and 6.4 million common units
held by a subsidiary of
Note 1-Summary of Significant Accounting Policies in the Notes to
Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
(2) Represents general and administrative expenses incurred by WES separate
from, and in addition to, those incurred by WES Operating. 113
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Reconciliation of net cash provided by (used in) operating and financing activities. The differences between net cash provided by (used in) operating and financing activities for WES and WES Operating are reconciled as follows:
Year Ended December 31, thousands 2019 2018 2017
WES net cash provided by operating activities
6,819 4,029 2,872 Non-cash equity-based compensation expense (1,259 ) (278 ) (247 ) Changes in working capital 2,383 (854 ) (8 ) Other income (expense), net (79 ) (192 ) (85 ) Interest expense 245 2,035 2,229 Debt related amortization and other items, net (20 ) (801 ) (678 ) WES Operating net cash provided by operating activities$ 1,332,189 $
1,352,114
WES net cash provided by (used in) financing activities$ 2,071,573 $ 875,192 $ (188,875 ) Distributions to WES unitholders (2) 969,073 502,457 441,967 Distributions to WES from WES Operating (3) (1,006,163 ) (507,323 ) (445,677 ) Registration expenses related to the issuance of WES common units 855 - - WGP RCF costs - 7 - WGP RCF repayments 28,000 - - WES Operating net cash provided by (used in) financing activities$ 2,063,338 $ 870,333 $ (192,585 )
(1) Represents general and administrative expenses incurred by WES separate
from, and in addition to, those incurred by WES Operating. (2) Represents distributions to WES common unitholders paid under WES's partnership agreement. See Note 4-Partnership Distributions and
Note 5-Equity and Partners' Capital in the Notes to Consolidated Financial
Statements under Part II, Item 8 of this Form 10-K.
(3) Difference attributable to elimination upon consolidation of WES Operating's
distributions on partnership interests owned by WES. See Note 4-Partnership
Distributions and Note 5-Equity and Partners' Capital in the Notes to
Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
Noncontrolling interest. WES Operating's noncontrolling interest consists of the 25% third-party interest in Chipeta (see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for further information).
WES Operating distributions. WES Operating distributes all of its available cash (as defined in its partnership agreement) to WES Operating unitholders of record on the applicable record date within 45 days following each quarter's end. Immediately prior to the Merger closing, the WES Operating IDRs and general partner units were converted into WES Operating common units and a non-economic general partner interest in WES Operating, and at Merger completion, all WES Operating common units held by the public and subsidiaries ofAnadarko (other than common units held by WES, WES Operating GP, and 6.4 million common units held by a subsidiary ofAnadarko ) were converted into WES common units. Beginning first quarter of 2019, WES Operating makes cash distributions to WES and WGRAH, a subsidiary of Occidental, in respect of their proportionate share of limited partner interests in WES Operating. For the quarters endedMarch 31, 2019 ,June 30, 2019 , andSeptember 30, 2019 , WES Operating distributed$283.3 million ,$288.1 million , and$289.7 million , respectively, to its limited partners. For the quarter endedDecember 31, 2019 , WES Operating distributed$290.3 million to its limited partners. See Note 5. WES Operating LTIP. Concurrent with the Merger closing, we assumed theWestern Gas Partners, LP 2017 Long-Term Incentive Plan. See Note 6-Transactions with Affiliates in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for further information. 114
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CONTRACTUAL OBLIGATIONS The following is a summary of our contractual cash obligations as ofDecember 31, 2019 . The table below excludes amounts classified as current liabilities on the consolidated balance sheets, other than the current portions of the categories listed within the table. It is expected that the majority of the excluded current liabilities will be paid in cash in 2020. Obligations by Period thousands 2020 2021 2022 2023 2024 Thereafter Total Total debt Principal$ 3,007,873 $ 500,000 $ 670,000 $ - $ -$ 3,830,000 $ 8,007,873 Interest 331,192 217,990 207,589 180,963 180,963 2,136,237 3,254,934
Asset retirement obligations 22,472 38,537 - - 4,443 293,416 358,868 Capital expenditures 140,954 - - - - - 140,954 Credit facility fees 4,133 4,133 4,133 4,133 4,133 530 21,195 Environmental obligations 3,528 907 468 320 203 12 5,438 Operating leases 1,969 612 618 625 449 1,209 5,482 Total$ 3,512,121 $ 762,179 $ 882,808 $ 186,041 $ 190,191 $ 6,261,404 $ 11,794,744 Asset retirement obligations. When assets are acquired or constructed, the initial estimated asset retirement obligation is recognized in an amount equal to the net present value of the settlement obligation, with an associated increase in properties and equipment. Revisions in estimated asset retirement obligations may result from changes in estimated inflation rates, discount rates, asset retirement costs, and the estimated timing of settlement. For additional information, see Note 12-Asset Retirement Obligations in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Capital expenditures. Included in this amount are capital obligations related to our expansion projects. We have other planned capital and investment projects that are discretionary in nature, with no substantial contractual obligations made in advance of the actual expenditures. See Note 15-Commitments and Contingencies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
Credit facility fees. For additional information on credit facility fees required under the RCF, see Note 13-Debt and Interest Expense in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
Environmental obligations. We are subject to various environmental-remediation obligations arising from federal, state, and local regulations regarding air and water quality, hazardous and solid waste disposal, and other environmental matters. We regularly monitor the remediation and reclamation process and the liabilities recorded and believe that the amounts reflected in our recorded environmental obligations are adequate to fund remedial actions required to comply with present laws and regulations. For additional information on environmental obligations, see Note 15-Commitments and Contingencies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Leases. We have entered into operating leases that extend through 2028 for corporate offices, shared field offices, and equipment supporting our operations, with both Occidental and third parties as lessors. Lease obligations to Occidental represent existing contractual operating lease obligations that may be assigned or otherwise charged to us pursuant to the reimbursement provisions of our Services Agreement. We also have subleased equipment from Occidental via finance leases extending throughApril 2020 . The liabilities associated with these finance leases are included within Short-term debt in the consolidated balance sheets. See Note 14-Leases in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
For additional information on contracts, obligations, and arrangements we and WES Operating enter into from time to time, see Note 6-Transactions with Affiliates and Note 15-Commitments and Contingencies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
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CRITICAL ACCOUNTING ESTIMATES The preparation of consolidated financial statements in accordance with GAAP requires management to make informed judgments and estimates that affect the amounts of assets and liabilities as of the date of the financial statements and affect the amounts of revenues and expenses recognized during the periods reported. On an ongoing basis, management reviews its estimates, including those related to the determination of property, plant, and equipment, asset retirement obligations, litigation, environmental liabilities, income taxes, revenues, and fair values. On an annual basis, as determined by the specific agreement, management reviews and updates certain gathering rates that are based on cost-of-service agreements. These cost-of-service gathering rates are calculated using a contractually specified rate of return and estimates including long-term assumptions for capital invested, receipt volumes, and operating and maintenance expenses. See Contract balances in Note 2-Revenue from Contracts with Customers in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Although these estimates are based on management's best available knowledge of current and expected future events, changes in facts and circumstances or discovery of new information may result in revised estimates, and actual results may differ from these estimates. Management considers the following to be its most critical accounting estimates that involve judgment and discusses the selection and development of these estimates with our general partner's Audit Committee. For additional information concerning accounting policies, see Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. Impairments of tangible assets. Property, plant, and equipment generally is stated at the lower of historical cost less accumulated depreciation or fair value if impaired. Because prior acquisitions of assets fromAnadarko were transfers of net assets between entities under common control, the assets acquired initially were recorded atAnadarko's historic carrying value. Assets acquired in a business combination or non-monetary exchange with a third party are initially recorded at fair value. Property, plant, and equipment balances are evaluated for potential impairment when events or changes in circumstances indicate that their carrying amounts may not be recoverable from expected undiscounted cash flows from the use and eventual disposition of an asset. If the sum of the undiscounted future net cash flows is less than the carrying amount of the asset's estimated fair value, an impairment loss is recognized for the excess, if any, of the carrying amount of the asset over its estimated fair value. In assessing long-lived assets for impairments, our management evaluates changes in our business and economic conditions and their implications for recoverability of the assets' carrying amounts. Management applies judgment in determining whether there is an indication of impairment, the grouping of assets for impairment assessment, and determinations about the future use of such assets. Significant downward revisions in production forecasts or changes in future development plans by producers, to the extent they affect our operations, may necessitate assessment of the carrying amount of the affected assets for recoverability. The primary assumptions used to estimate undiscounted future net cash flows include long-range customer production forecasts and revenue, capital, and operating expense estimates. The measure of impairments to be recognized, if any, depends upon management's estimate of the asset's fair value, which may be determined based on the estimates of future net cash flows or values at which similar assets were transferred in the market in recent transactions, if such data is available. See Note 8-Property, Plant, and Equipment in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K for a description of impairments recorded during the years endedDecember 31, 2019 , 2018, and 2017. 116
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Fair value. Among other things, management estimates fair value (i) of long-lived assets for impairment testing, (ii) of reporting units for goodwill impairment testing when necessary, (iii) of assets and liabilities acquired in a business combination or exchanged in non-monetary transactions, (iv) for the initial measurement of asset retirement obligations, (v) for the initial measurement of environmental obligations assumed in a third-party acquisition, and (vi) of interest-rate swaps. When management is required to measure fair value and there is not a market-observable price for the asset or liability or a market-observable price for a similar asset or liability, management utilizes the cost, income, or multiples approach, depending on the quality of information available to support management's assumptions. The cost approach is based on management's best estimate of the current asset replacement cost. The income approach uses management's best assumptions regarding expectations of projected cash flows and discounts the expected cash flows using a commensurate risk-adjusted discount rate. Such evaluations involve significant judgment because results are based on expected future events or conditions, such as sales prices, estimates of future throughput, capital and operating costs and the timing thereof, economic and regulatory climates, and other factors. A multiples approach uses management's best assumptions regarding expectations of projected EBITDA and an assumed multiple of that EBITDA that a willing buyer would pay to acquire an asset. Management's estimates of future net cash flows and EBITDA are inherently imprecise because they reflect management's expectation of future conditions that are often outside of management's control. However, the assumptions used reflect a market participant's view of long-term prices, costs, and other factors, and are consistent with assumptions used in our business plans and investment decisions. See Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. OFF-BALANCE SHEET ARRANGEMENTS We do not have any off-balance sheet arrangements other than short-term operating leases and standby letters of credit. The information pertaining to operating leases and standby letters of credit required for this item is provided under Note 1-Summary of Significant Accounting Policies, Note 14-Leases, and Note 13-Debt and Interest Expense, respectively, included in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K. RECENT ACCOUNTING DEVELOPMENTS
See Note 1-Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements under Part II, Item 8 of this Form 10-K.
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