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Subsea Production: Project Experience: Trees, Chokes, Wellheads
_ Project Experience: Trees, Chokes and Wellheads

INTEC assisted Shell Offshore, Inc. with the identification and assessment of technology development needs and qualification of equipment for GOM deepwater oil and gas developments, with specific emphasis on the Mensa and Brutus subsea developments. These fields are in 5,500 ft and 3,000 ft water depth, respectively.

Development programs identified included: high volume/high pressure continuous choking, 15,000 psi subsea trees and valve actuators, deepwater metal and resilient seals, hydrate prevention methods, chemical distribution systems and insulated flowlines.

Shell Offshore Popeye Project (2040 ft water depth)
INTEC assisted Shell Offshore Inc. (SOI) with the Popeye Phase II development, located in Green Canyon block 72/73. It consists of a cluster well manifold tied back to the Cougar platform with two 6-inch pipelines, a 7-line steel umbilical and control cable. Two wells were connected to the manifold with 60 ft long steel jumpers in Phase I, while a third well will be added in Phase II.

Shell formed an integrated project team with INTEC's lead engineer responsible for the subsea system work package. INTEC's responsibilities include the detailed engineering review, preparation of SIT and installation procedures, overall budget control, contract administration, and overall project management for the design, manufacturing, testing and installation of the manifold/template, trees, and flowline jumpers. First production of Phase I was realized in January 1996, and Phase II was completed in late 1997.




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