Shell taps McDermott for Gulf of Mexico platform engineering, construction

Offshore staff

HOUSTON – Shell Offshore Inc. has awarded a fabrication contract to McDermott International Inc. for a deck, jacket, piles, and bridge for use in the Gulf of Mexico. Upon completion, the West Delta 143 “C” platform will be in 370 ft (113 m) of water.

McDermott's engineering group in New Orleans will perform detailed construction engineering and load-out analysis for the 10,120-tons of structures. McDermott's Morgan City, Louisiana, fabrication facility in will perform all construction engineering, procurement, fabrication, and onshore mechanical completion of the deck. McDermott will also assist in the commissioning of the platform.

First steel cut is scheduled later this year, with expected sail away of the deck in 1Q 2013.

The WD 143 "C" is part of the Mars B development, which consists of the Olympus TLP, West Boreas and South Deimos subsea development, and the West Delta 143 "C" jacket and deck. The Olympus host will be in Mississippi Canyon block 807 approximately 95 mi (153 km) south of New Orleans in a water depth of approximately 3,000 ft (914 m) and its export pipelines will tieback to the new WD 143 "C" platform.


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