Minerals Management Service - 62.7% Of Gulf Oil Production, 30.8% Of Gas Now Shut In

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MODS - Press release, posted here in its entirety.

NEW ORLEANS — Offshore oil and gas operators in the Gulf of Mexico are evacuating platforms and rigs in the path of Subtropical Depression Ten. The Minerals Management Service has activated its Continuity of Operations Plan team to monitor the operator’s activities. This team will be activated until operations return to normal and the subtropical depression is no longer a threat to the Gulf of Mexico oil and gas activities.

Based on data from offshore operator reports submitted as of 11:30 a.m. CST today, personnel have been evacuated from a total of 77 production platforms, equivalent to 9.2 % of the 834 manned platforms in the Gulf of Mexico. Production platforms are the structures located offshore from which oil and natural gas are produced. These structures remain in the same location throughout a project’s duration unlike drilling rigs which typically move from location to location.

Personnel from 17 rigs have also been evacuated; this is equivalent to 19.1 % of the 89 rigs currently operating in the Gulf. Rigs can include several types of self-contained offshore drilling facilities including jackups, submersibles and semisubmersibles.

From the operators’ reports, it is estimated that approximately 62.7 % of the oil production in the Gulf has been shut-in. Estimated oil production from the Gulf of Mexico as of April 2007 was 1.3 million barrels of oil per day. It is also estimated that approximately 30.8 % of the natural gas production in the Gulf has been shut-in. Estimated natural gas production from the Gulf of Mexico as of April 2007 was 7.7 billion cubic of gas per day.

As part of the evacuation process, personnel activate the shut-in procedure, which can also be accomplished from a remote location. This involves closing the safety valves located below the surface of the ocean to prevent the release of oil or gas. During Hurricanes Katrina and Rita, the shut-in valves functioned 100 percent of the time, efficiently closing in production from wells and resulting in no major spills from the Outer Continental Shelf. Shutting-in oil and gas production is a standard procedure conducted by industry for safety and environmental reasons.

The production percentages are calculated using information submitted by offshore operators in daily reports. Shut-in production information included in these reports is based on what the operator expected to produce that day. The shut-in production figures therefore are estimates, which the MMS compares to historical production reports to ensure the estimates follow a logical pattern.

After the subtropical depression has passed, facilities will be inspected. Once all standard checks have been completed, production from undamaged facilities will be brought back on line immediately. Facilities sustaining damage may take longer to bring back on line. The MMS will continue to update the evacuation and shut-in statistics at 1:00 p.m. CST each day until these statistics are no longer significant.

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http://www.mms.gov/ooc/press/2007/press0921.htm