LONDON --- Chevron USA Inc. has awarded subsea-to-surface engineering, construction, and services on Tahiti Phase II to Subsea 7.
Subsea 7 will install one 71/2-in x 13,000 ft flexible riser, one 4-in x 4,500 ft umbilical, five rigid well jumpers, 10 electrical flying leads (EFL) and seven steel flying leads. Subsea 7 also will transport the flexible riser from Le Trait, France, to the Gulf of Mexico for installation. The engineering work begins immediately at Subsea 7’s Houston office. The installation of the flexible and umbilical will take place 3Q, 2011 with the five well tie-ins occurring through to mid 2012.
Subsea 7 will use the Seven Oceans (pipelay) Skandi Neptune (construction/flexlay), and the Ross Candies (light construction/IMR) vessels for the installation.
Tahiti is in Green Canyon 640 approximately 190 nautical miles (215 mi) south of New Orleans in water depths more than 4,000 ft (1,220 ft).
Chevron holds a 58% working interest in Tahiti and is the operator, Statoil Gulf of Mexico LLC holds a 25% percent working interest, and TOTAL E&P USA, INC. owns a 17% working interest.
Chevron awards Tahiti Phase II engineering, construction