Equinor-led Troll partners commit over NOK 4 billion to TWIN subsea gas development

Equinor, Petoro, Shell, TotalEnergies and ConocoPhillips are investing more than NOK 4 billion in the TWIN subsea development at Norway's Troll field. The third step of Troll phase 3 will comprise two wells in a subsea template, a pipeline and extensions to the existing umbilical and MEG line. Production is targeted as early as 2028, with the project expected to recover approximately 11 billion standard cubic metres of gas.

Confirmed: Equinor and partners Petoro, Shell, TotalEnergies and ConocoPhillips are investing just over NOK 4 billion in TWIN, a new subsea development at the Troll field. TWIN is the third step of Troll phase 3 and is expected to contribute about 11 billion standard cubic metres of gas from the Troll West reservoir. The scope comprises two wells in a template, a connecting pipeline and extensions of the umbilical and MEG line. Equinor is targeting production as early as 2028.

Analytical interpretation: TWIN represents a brownfield-led development strategy that uses existing Troll subsea, Troll A and Kollsnes infrastructure to shorten delivery time and contain costs. The relatively standardized scope could create procurement and installation opportunities across subsea equipment, controls, pipelines, umbilicals and well services. Equinor's wider ambition to halve subsea project costs and execution times and develop six to eight such projects annually through 2035 indicates a potentially repeatable Norwegian subsea opportunity pipeline. The source does not identify contractors, contract values by package or a formal final investment decision, so those points remain open for monitoring. Extracted company and project relationships are source-supported suggestions pending analyst review, not database-verified records.