By OGJ editors
HOUSTON, Sept. 29 -- Atlantia Offshore Ltd., Houston, has completed integration of the hull and topsides of its deep-draft semisubmersible for the Independence Hub platform on Mississippi Canyon Block 920 in the Gulf of Mexico.
The operation was completed Sept. 20 at the Kiewit Offshore Services facility in Ingleside, Tex. Kiewits's heavy lifting device was used to set the 8,400-ton deck onto the 10,000-ton hull.
Additional hookup and commissioning activities are expected to continue over the next several weeks.
The Hub will then be towed to another location to be moored in about 8,000 ft of water. Once installed, the Atlantia DeepDraft semisubmersible will connect to a 24-in. export gas line, and will have the capacity to connect to 16 infield flowlines and 12 umbilicals from an initial 10 ultradeepwater fields. Total designed throughput of the process facility will be 1 bcf/d of gas.
Independence Hub is owned 80% by Enterprise Products Partners LP and 20% by Helix Energy Solutions Group Inc. Anadarko Petroleum Corp. will operate the hub on behalf of Atwater Valley Producers Group, which is comprised of Anadarko, Dominion Exploration & Production, Hydro Gulf of Mexico LLC, Devon Energy Corp., and Energy Resources Technology.