Vanguard Natural Resources, LLC, along with its affiliates, filed a motion for joint administration of their Chapter 11 bankruptcy cases in the US Bankruptcy Court on March 31, 2019. As per the motion, the debtor seeks the joint administration of the cases of its affiliates, Eagle Rock Acquisition Partnership, L.P., Eagle Rock Acquisition Partnership II, L.P., Eagle Rock Energy Acquisition Co., Inc., Eagle Rock Energy Acquisition Co. II, Inc., Eagle Rock Upstream Development Company, Inc., Eagle Rock Upstream Development Company II, Inc., Escambia Asset Co., LLC, Escambia Operating Company, LLC, Vanguard Natural Gas, LLC, Vanguard Operating, LLC and VNR Holdings, LLC, with its own case for administrative and procedural purposes. Vanguard Natural Resources, LLC has been proposed as the lead debtor.