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Funnel lowered on Gulf oil spill Funnel 'poised over' US oil spill
(about 5 hours later)
Work is continuing to lower a giant funnel onto the bed of the Gulf of Mexico in an attempt to contain oil gushing from leaks in a blown-out well. A giant funnel has been positioned above a blown-out oil well in the seabed in the Gulf of Mexico in an attempt to contain oil leaking from it.
A crane is lowering the 90-tonne device, which is hoped to be operational by Monday. Underwater robots equipped with cameras have placed the 98-tonne device above the main leak, some 5,000 ft (1,500m) below the surface.
The operation is complicated by the great depth - 5,000 ft (1,800m) - to which the device must be lowered. It is hoped it will start collecting as much as 85% of the oil and funnelling it to a tanker by Monday.
Earlier, oil from the massive slick started washing ashore on an island chain off the coast of Louisiana. Oil from the massive slick has washed ashore on islands off Louisiana coast.
Pelicans and other birds were found covered in oil on the uninhabited Chandeleur Islands - the second oldest national wildlife refuge in the US and home to countless endangered birds.Pelicans and other birds were found covered in oil on the uninhabited Chandeleur Islands - the second oldest national wildlife refuge in the US and home to countless endangered birds.
A federal maritime agency said there was "oiling all over" the islands.A federal maritime agency said there was "oiling all over" the islands.
Risky operationRisky operation
An estimated 200,000 gallons of oil a day has been leaking unstopped for 18 days from the well, 50 miles (80km) off Louisiana, since an explosion destroyed the Deepwater Horizon rig last month, killing 11 workers. An estimated 800,000 litres (176,000 imperial gallons of oil a day has been leaking unstopped for 18 days from the well, 50 miles (80km) off Louisiana, since an explosion destroyed the Deepwater Horizon rig last month, killing 11 workers.
Although the rig was operated by Transocean, it was leased by the British oil giant, BP, which has taken charge of the clean-up process.Although the rig was operated by Transocean, it was leased by the British oil giant, BP, which has taken charge of the clean-up process.
It said it hoped the gigantic concrete and steel containment device, once operational, would contain about 85% of the oil leaking out.It said it hoped the gigantic concrete and steel containment device, once operational, would contain about 85% of the oil leaking out.
HOW THE OIL FUNNEL WORKS The funnel is a 40ft tall iron box, weighing 98 tonnesIt will be placed over the leak, 5,000ft down on the seabedBP hopes it will collect 85% of the leaking oil and pipe it to the surfaceHOW THE OIL FUNNEL WORKS The funnel is a 40ft tall iron box, weighing 98 tonnesIt will be placed over the leak, 5,000ft down on the seabedBP hopes it will collect 85% of the leaking oil and pipe it to the surface
The technology has been used a few times in shallow waters, but never at such extreme depths and under such high pressure. When the device reaches its destination, the robots will then secure it around the leaking pipe, a process that is expected to take hours. The technology has been used a few times in shallow waters, but never at such extreme depths and under such high pressure.
There is also a chance that the device could damage the well and make the leak worse. "We are essentially taking a four-story building and lowering it 5,000 feet and setting it on the head of a pin," a BP spokesman, Bill Salvin, told The Associated Press news agency.
If the device is not aligned properly while being lowered, it could make the problem worse by damaging the leaking pipe.
Other risks include the drill-pipe becoming clogged with ice, and explosions when separating the mix of oil, gas and water on the surface.Other risks include the drill-pipe becoming clogged with ice, and explosions when separating the mix of oil, gas and water on the surface.
We haven't done this before. It's very complex, and we can't guarantee it BP spokesman David Nicholas
But if the containment device works, a second box now being built will be lowered into the water over a second, smaller leak.
These devices will not put an end to the problem on the seafloor. A relief well is still being drilled while BP thinks up other ways to help stop the leak.
In the meantime, residents of Louisiana, Mississippi, Alabama, and Florida await news of when the oil will reach their shores.
Inflatable boomsInflatable booms
On Thursday, the US Coast Guard confirmed for the first time oil had made its way past protective booms and was washing up on land.On Thursday, the US Coast Guard confirmed for the first time oil had made its way past protective booms and was washing up on land.
Fears are growing for the safety of the area's manifest wildlifeFears are growing for the safety of the area's manifest wildlife
Heavier concentrations of crude remain further offshore, and the Coast Guard said weather forecasts suggested it would stay there until the weekend.Heavier concentrations of crude remain further offshore, and the Coast Guard said weather forecasts suggested it would stay there until the weekend.
BP said emergency teams had been sent to Freemason Island, a favourite fishing spot for recreational anglers some 30 miles (50km) off Louisiana's coast, to deploy inflatable booms to protect its prime marshland.BP said emergency teams had been sent to Freemason Island, a favourite fishing spot for recreational anglers some 30 miles (50km) off Louisiana's coast, to deploy inflatable booms to protect its prime marshland.
Fears are growing that sea life has been severely affected in the area, which includes vital spawning grounds for fish, shrimp and crabs. Fears are growing that sea life may have been severely affected in the area, which includes vital spawning grounds for fish, shrimp and crabs.
The attempt by BP to lower the funnel comes as Secretary of the Interior Ken Salazar called for a halt to permits for new exploratory drilling in the US, pending a 30-day investigation into the cause of the oil spill.
Some environmentalists are now calling for a permanent ban on offshore drilling as a result of the spill.
PROJECTED SPREAD OF OIL SPILL ON 7 MAYPROJECTED SPREAD OF OIL SPILL ON 7 MAY