The contract includes an engineering, procurement, construction, and installation agreement for three pipeline systems linking Maria with the Kristin, Heidrun, and Asgard B production platforms.
Kristin will process production, receiving the Maria well stream through a 26-km flowline with a direct electrical heating cable. Water for injection will come from Heidrun via a 46-km, plastic-lined pipeline. Lift gas will come from subsea Tyrihans field through a 22-km pipeline from the Asgard B platform.
Maria field lies 230 km offshore in 300 m of water.
Also under the contract, Subsea 7 will install two integrated templates, subsea manifolds, and the production riser base at Kristin supplied by FMC Kongsberg Subsea AS under a frame agreement with Wintershall. Subsea 7 also will install static control umbilicals supplied by FMC Kongsberg between Kristin and the Maria templates.
Wintershall, operator, with a 50% interest, expects to produce 180 million boe of oil and gas from Maria field, mostly oil. It hasn’t reported production rates.
Petoro AS holds 30%, and Centrica Resources (Norge) AS holds 20%.