Oil rig blaze off Louisiana leaves at least 11 missing

US coast guards are searching the Gulf of Mexico for at least 11 oil workers missing after an explosion and fire on an off-shore drilling platform.

The Deepwater Horizon rig was still burning hours after the blast on Tuesday night, 84km (52 miles) south-east of the Louisiana port of Venice.  Seventeen of the 176 workers were evacuated by air and sea on Wednesday. Another 98 were later rescued by boat.  The rig is reportedly tilting about 70 degrees and threatening to topple over.

Its operators, Transocean, said there had been no signs of trouble before the explosion and crews had been doing routine work.  A spokesman for the Switzerland-based contractor, Greg Panagos, said the rig had been drilling at the time but was not in production.  The cause of the blast is still unclear. “Our focus right now is on taking care of the people,” Mr Panagos added.

‘Burning pretty good’

A day after the explosion on the Deepwater Horizon, Coast Guard spokesman Mike O’Berry said four helicopters, four Coast Guard boats and a plane were helping search for the missing workers.  “We’re hoping everyone’s in a life raft,” he added.

The Coast Guard said 17 workers had been evacuated by air and sea on Wednesday morning, three of whom were critically injured. The other workers were later picked up by boat and are expected ashore later on Wednesday.  Fire boats were still battling the fire on the rig.

Deepwater Horizon was drilling for BP on part of the Mississippi Canyon Block 252 known as the Macondo prospect, in 1,500m (5,000ft) of water.  Built in 2001 by South Korea’s Hyundai, the semi-submersible rig is 120m (396ft) long and 78m (256ft) wide, according to Transocean.   A semi-submersible rig floats above a drilling site and does not touch the sea floor.

Able to operate in up to 2,400m (8,000ft) of water, Deepwater Horizon set a world record in September for the deepest oil and gas well when it drilled down 10,685m (35,055ft) at another BP site in the Gulf of Mexico.

“It’s one of the more advanced rigs out there,” Mr Panagos said.

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