Equinor, formerly Statoil, has exercised an option for delivery of a processing module to be installed on the Troll A platform in the Norwegian North Sea if Phase 3 development proceeds at Troll oil and gas field.
Award of the $160-million engineering, procurement, construction, and installation contract to Aker Solutions ASA depends on a final investment decision and submission of a plan for development and production in the third quarter.
Phase 3 development targets natural gas reserves in the Troll West structure 25 km northwest of the Troll A platform.
It will use two subsea templates in 330 m of water, from each of which four production wells will be drilled for tie-back to Troll A. The platform handles gas from reserves developed in the eastern part of the field under Phase 1 development.
Phase 2 developed oil reserves from the Troll West structure. It included installation of the Troll B and C platforms.
Equinor expects Phase 3 development to extend Trolls plateau gas production by 7 years. Last year, the field produced an average 783,000 boe/d of oil, gas, and condensate, of which 81% was gas, according to the Norwegian Petroleum Directorate.
Troll field production comes from Late Jurassic Sognefjord and Middle Jurassic Fensfjord sandstone encountered at 1,300-1,400 m below sea level.
Equinor, operator, holds a 30.58% interest. Other interests are Petoro, 56%; Norske Shell, 8.10%; Total E&P Norge, 3.69%; and ConocoPhillips Scandinavia, 1.62%.
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