The largest tension-leg platform ever to be developed for the U.S. Gulf of Mexico, Olympus, was successfully delivered to the Mars B field, located about 130-miles south of New Orleans, Louisiana.
Olympus was delivered by four of Crowley Maritime Corp.'s ocean class tugboats, the Ocean Wind, Ocean Wave, Ocean Sky and Ocean Sun.
“This successful project is a testament to the capability, station-keeping and power of these vessels,” said Crowley’s John Ara, vice president, solutions, in a statement. “The design of the ocean class has allowed us to participate in the full scope of marine transportation, including nearshore, offshore and positioning work. From the initial push-off to securing it as storm-safe, these tugs were critical assets in the relocation of the Olympus platform.”
This new platform will also provide process infrastructure for two of Shell's nearby discoveries, West Boreas and South Deimos, Shell said in a press release. The tension-leg platform features 24-slot drilling units and a deck large enough to process crude from a six-well subsea development on site. It is expected that the platform will produce and process 100,000 barrels of oil equivalent per day.
The deepater Mars field was discovered in 1989 and production commenced in 1996. In 2010, Shell made a final investment decision to extend the production life of the field, Mars B, to increase the oil and gas recovery. First production from the Olympus platform is expected in 2015.
"This significant investment decision demonstrates Shell's continued commitment to responsibly maximize deep water oil and gas recovery and make a positive impact on this country's domestic energy supply," said Marvin Odum, Upstream Americas director and president at Shell Oil Company, in a press release.
Shell will operate the Mars B Olympus tension-leg platform and currently holds a 71.5-percent working interest in the development. BP plc holds the remaining 28.5-percent working interest. In the Gulf of Mexico, the Mars B development will draw production from eight Mississippi Canyon blocks – 762, 763, 764, 805, 806, 807, 850 and 851.
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