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Shell works to fix Gulf of Mexico pipeline leak

Reuters

Tue Jul 28, 2009 4:24pm EDT

By Bruce Nichols and Joshua Schneyer

HOUSTON/NEW YORK (Reuters) – Shell and the U.S. Coast Guard rushed Tuesday to contain 1,400 barrels of crude oil spilled into the Gulf of Mexico from a leaking Shell-operated pipeline, fighting back an oil slick with skimmer ships and airplanes.

Shell discovered the leak Saturday on its 173,000-barrel-per-day (bpd) capacity Eugene Island oil pipeline, 30 miles from Louisiana’s coastline and 60 miles southwest of Houma, Louisiana.

The pipeline has been shut down, halting daily supplies of 100,000 barrels a day of Eugene Island oil. The Eugene Island line also was carrying new oil from Chevron’s Tahiti platform which began flowing in May.

The pipeline is still leaking a “small amount” as it drains, a Shell spokesman said.

Shell had no estimate on repairs or a target date for restart of the 20-inch diameter pipeline, but people knowledgeable about operations said fixing it in 60-foot-deep water could take a day if the problem is small to weeks if it is big. Restart requires government approval.

“At this time, we cannot forecast when restart will occur. Our top priorities during the response and restart phases are safety and the environment,” a company spokesman said.

The oil spill was among the largest in recent years in U.S. waters, officials said. Helicopters and airplanes that flew over the spill viewed a 16-by-3-mile “rainbow-like” oil sheen, Coast Guard Petty Officer Tom Atkeson said.

The slick is unlikely to reach land because the oil will evaporate and decompose if it is not picked up before reaching shore, Atkeson added.

Two skimming vessels by Tuesday had cleaned up 1,500 gallons of oil and water mixture of the 58,000 gallons believed to have spilled, Atkeson said. Some of the oil also has been dispersed by chemicals dropped from airplanes.

The cause of the leak awaited investigation. Shell said divers would inspect the source of the leak when they arrived on the scene late Tuesday, and planning of repairs could begin as soon as Wednesday.

As pipeline operator, Shell owns a 23 percent stake in the line. Other stakeholders include ExxonMobil, Marathon, Chevron and ConocoPhillips.

Saturday’s oil spill was equivalent in volume to a November 2007 bunker fuel spill into the San Francisco Bay that drew ire from environmental groups. That spill reached local beaches.

Officials at the U.S. Department of Transportation, which regulates the pipeline, the Coast Guard and the Minerals Management Service, all said they would investigate and help determine when the pipeline may restart.

In addition to repairs, Shell may consider rerouting some of the Eugene Island offshore crude through other offshore pipelines, a spokesman said. Rerouting helped keep flows steady to refineries following Hurricane Katrina in 2005.

The futures market shrugged off the news, with U.S. light sweet crude for September delivery falling $1.08 to $67.28 a barrel on Tuesday. In the cash crude market, traders saw no deals for Eugene Island, but a similar grade, Bonito, was offered at up to $2.40 a barrel above West Texas Intermediate, a rare premium, traders said.

Bonito last dealt publicly for 35 cents above WTI, on July 22.

(Editing by Christian Wiessner)

� Thomson Reuters 2009 All rights reserved

REUTERS ARTICLE

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