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Tuesday, Jun 8, 2010 11:16 PM UTC

Gulf oil leak may be bigger than BP says

Team of researchers and officials set to release new report on flow rate in the next few days

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Topics: Gulf Oil Spill,

While BP is capturing more oil from its blown-out well with every passing day, scientists on a team analyzing the flow said Tuesday that the amount of crude still escaping into the Gulf of Mexico is considerably greater than what the government and the company have claimed.

Their assertions — combined with BP’s rush to build a bigger cap and its apparent difficulty in immediately processing all the oil being collected — have only added to the impression that BP and the government are still floundering in dealing with the catastrophe and may be misleading the public.

The cap that was put on the ruptured well last week collected about 620,000 gallons of oil on Monday and funneled it to a ship at the surface, said Coast Guard Adm. Thad Allen, the government’s point man on the crisis. That would mean the cap is capturing better than half of the oil, based on the government’s estimate that around 600,000 to 1.2 million gallons a day are leaking from the bottom of the sea.

A team of researchers and government officials assembled by the Coast Guard and run by the director of the U.S. Geological Survey is studying the flow rate and hopes to present its latest findings in the coming days on what is already the biggest oil spill in U.S. history.

In an interview with The Associated Press, team member and Purdue University engineering professor Steve Wereley said it was a “reasonable conclusion” but not the team’s final one to say that the daily flow rate is, in fact, somewhere between 798,000 gallons and 1.8 million gallons.

“BP is claiming they’re capturing the majority of the flow, which I think is going to be proven wrong in short order,” Wereley said. “Why don’t they show the American public the before-and-after shots?”

He added: “It’s strictly an estimation, and they are portraying it as fact.”

To install the device snugly, BP engineers had to cut away the twisted and broken well pipe. That increased the flow of oil, similar to what happens when a kink is removed from a garden hose. BP and others warned that would happen. The government said the increase amounted to about 20 percent.

Asked about the containment effort and the uncertainties in estimating how much oil is escaping, Allen said: “I have never said this is going well. We’re throwing everything we’ve got.”

Paul Bommer, a University of Texas petroleum and geosystems engineering professor and member of the flow rate team, said cap seems to have made a “dent” in reducing the flow, but there is still a lot of oil coming out. That seemed clear from the underwater “spillcam” video, which continued to show a big plume of gas and oil billowing into the water.

The current equipment collecting the oil being brought to the surface is believed to be nearing its daily processing capacity. BP said it will boost capacity by bringing in a floating platform it believes can process most of the flow. The company also said it will use a device that vaporizes and burns off oil.

At the same time, BP is working to design a new cap that can capture more oil.

In the seven weeks since the oil rig explosion that set off the catastrophe, BP has had to improvise at every turn. The most recent government estimates put the total amount of oil lost at 23.7 million to 51.5 million gallons.

“I think virtually everybody from BP to the state to the Coast Guard was caught flat-footed and did not expect a spill of this magnitude,” said Ed Overton, a professor of environmental sciences at Louisiana State University. “Everybody has been playing catch-up.”

When asked why BP did not have containment systems on standby in case of a leak, BP spokesman Robert Wine said there was no reason to think an accident on this scale was likely.

“It’s unprecedented,” he said. “That’s why these caps weren’t there before.”

Kenneth Arnold, an offshore drilling consultant and engineer, said the reason a bigger cap wasn’t installed first was that BP probably wanted to start with what it could do quickly, which he said makes sense. He said BP has been working several solutions all along in parallel and deploying them as they can.

“They haven’t been waiting for one to fail and then employing the next one,” Arnold said.

He added: “The idea you can wave your arm at this and come to a magical solution is just from someone who doesn’t understand the problem. We as a nation are used to instant gratification. There is a problem. We want someone to fix it tomorrow. Things are not always that easy.”

Some answers may emerge next week, when BP CEO Tony Hayward will make his first appearance before Congress to answer questions in what will probably be a heated session, given the anger directed at BP.

The debate over the flow rate came as workers in bulldozers piled sand 6 feet high along barrier islands bordering Louisiana to protect the environmentally fragile areas from the spill, which has already coated islands and pelican rookeries in thick, brown, sticky crude.

“This is finally something that can help,” fishing guide Dave Marino said of the sand barrier effort. “It looks like this is something that may work.”

Attempts to skim the oil progressed as well. Boats fanned out across the Gulf, dragging boom in their wake in an attempt to corral the oil. But it’s an enormous task.

In some spots, the oil is several inches thick and forms a brown taffy-like goo that sticks to everything it touches.

John Young, chairman of Louisiana’s Jefferson Parish Council, said additional equipment has been ordered and more dredgers will be moving into the area soon, along with barges that will help block the passes.

“It’s nice that BP has put up the money, but they need to ramp up not only the manpower but the equipment out there because we’re losing the battle,” Young said. “Unfortunately, we’re on day 50 and it’s too little too late, but I guess it’s better late than never.”

Meanwhile, researchers are beginning to obtain a clearer picture of the spill as they analyze water samples. For example, marine scientists found a 100-foot-thick layer of oil 1,300 feet below the surface about 45 miles from the well site.

——

Harry R. Weber reported from Houston, Seth Borenstein from Washington, Tamara Lush from New Orleans, Brian Skoloff from Barataria Bay, La., and Mitch Stacy from St. Petersburg, Fla.

More Ray Henry.

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Rescue time, May 20, 2010
Fire and oil in the Gulf of Mexico, April 29, 2010

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