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Search continues for 2 missing after oil platform fire

NEW ORLEANS — Two oil workers remained missing at sea Saturday, a day after a torch being used to cut an oil pipe ignited a blaze that severely burned four other workers on a production platform in the Gulf of Mexico.

The four burned workers are in critical but stable condition. Meanwhile, officials said no oil was leaking from the charred platform, a relief for Gulf Coast residents still weary two years after the BP oil spill illustrated the risk offshore drilling poses to the region’s ecosystem and economy.

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The four workers’ burns were not as extensive as initially reported, said Leslie Hoffman, a spokeswoman for Black Elk Energy, which owned the platform. Their conditions Saturday were stable but critical, she said.

Coast Guard officials said helicopters were searching for the missing workers, while a cutter searched the sea.

The images Friday of black smoke billowing from a burning structure in the sea were eerily similar to the Deepwater Horizon blaze that killed 11 workers and led to an oil spill that took months to bring under control.

The fire came a day after BP PLC agreed to plead guilty to charges in the 2010 spill and pay a record $4.5 billion in penalties. There were a few important differences between this latest blaze and the blaze that touched off the worst offshore spill in US history: Friday’s fire at an oil platform about 25 miles southeast of Grand Isle, La., was put out within hours, while the Deepwater Horizon burned for more than a day, collapsed and sank.

The site of Friday’s blaze is a production platform in shallow water, rather than an exploratory drilling rig looking for new oil on the seafloor almost a mile deep. The depth of the well blow-out — a mile below the surface — proved to be a major challenge in bringing the disaster under control.

The Black Elk platform is in 56 feet of water — a depth much easier for engineers to manage if a spill had happened.

A sheen of oil about a half-mile long and 200 yards wide was reported on the Gulf surface, but officials believe it came from residual oil on the platform.

‘‘It’s not going to be an uncontrolled discharge from everything we’re getting right now,’’ Coast Guard Captain Ed Cubanski said.

Hoffman, the Black Elk Energy spokeswoman, said Saturday that there were still no signs of any leak or spill at the site of the dmaged platform.

BP’s blown-out well spewed millions of gallons of oil into the sea, about 50 miles southeast of the mouth of the Mississippi River on the east side of the river delta. The crude fouled beaches, marshes, and rich seafood grounds.

After Friday’s blaze, 11 people were taken by helicopter to area hospitals or for treatment on shore by emergency medical workers.

The production platform owned by Houston-based Black Elk Energy is on the western side of the Mississippi River delta. The Coast Guard said 24 people were aboard the platform at the time of the fire.

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