LLOG installs Opti-Ex FPS at Who Dat in the deepwaters of the US Gulf of Mexico

By Phaedra Friend Troy

LLOG Exploration has successfully installed the Opti-Ex Floating Production System (FPS) at the Who Dat oil and gas field in the deepwaters of the Gulf of Mexico.

“Installation of the Opti-Ex is a significant milestone, since this is the first FPS installed in the Gulf of Mexico since the Macondo incident and is the first time that the United States Coast Guard has approved an existing FPS for installation,” said Scott Gutterman, LLOG president and CEO.

Situated in waters measuring 3,100 feet deep, the Who Dat field is located on Mississippi Canyon Blocks 503, 504 and 547. Discovered in late 2007, Who Dat is estimated to contain between 100 and 300 million barrels of oil equivalent in gross reserves.

The Opti-Ex semisubmersible production platform has a production capacity of 60,000 barrels of oil and 150 million cubic feet of natural gas a day.

The FPS was installed on the southeast sector of MC Block 547 and is held stationary with 12 mooring lines connected to 80-foot-long suction pile anchors. The production facility was made to withstand wind and waves from a 1,000-year storm.

Next, LLOG will begin installing infield flowlines at Who Dat, as well as export pipelines to enable the field to start production from the three existing wells. 

The Who Dat field is scheduled to commence production in the fourth quarter of 2011. Additional drilling is planned to increase production at the development.

The Enterprise Products Partners' Independence Trail pipeline will transport natural gas produced at the field.

LLOG wholly owns and operates the Who Dat field.

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