CBS/AP/ August 4, 2010, 4:10 AM

Allen: "High Confidence" of No New Oil Leakage

Updated 7:33 p.m. ET

No more oil is likely to leak into the polluted Gulf of Mexico, the government's pointman on the massive oil spill declared Wednesday as efforts to plug a blown-out well succeeded. A relieved President Barack Obama said the fight to stop the leak is "finally close to coming to an end."

At the White House, National Incident Commander Adm. Thad Allen said the effort to plug the leak was progressing, giving officials "high confidence" that there will soon be no more oil leaking into the environment. That upbeat assessment came as a government report released Wednesday said only about a quarter of the spilled oil remains in the Gulf. The rest has been contained, cleaned up or has otherwise disappeared.

Obama's team, however, was careful to emphasize that much work remains, from cleanup to damage assessment to help for hurting families.

"There's a lot of reasons why there's no 'Mission Accomplished' banner," White House spokesman Robert Gibbs said. "There's a lot of work to do. ... We're not leaving the area, and more importantly, we're not leaving behind any commitment to clean up the damage that's been done and repair and restore the Gulf."

Government officials defended the credibility of the report that says about 75 percent of the oil is gone - though what's left is still nearly five times the amount that poured from the Exxon Valdez. They said that description is based on direct measurements of the spill and estimates, and that the instruments they've used to capture the scope of the disaster have improved since it began.

CBS News Correspondent Mark Strassmann reports from the Gulf of Mexico that about 26 percent of the leaked oil actually ended up in the water or along the shoreline, according to a new government study. In places like Grand Isle, La., residents said that BP is already cutting back cleanup crews and that they resent it.

BP PLC reached what it called a significant milestone overnight when mud that was forced down the well held back the flow of crude. That means the procedure known as a "static kill" appears to be working, though crews now must decide whether to follow up by pumping cement down the broken wellhead.

Federal officials won't declare complete victory until they also pump in mud and then cement from the bottom of the well, and that won't happen for several weeks.

Special Section: Gulf Coast Oil Disaster
View from Over the Oil Spill Site in the Gulf

"We've pretty much made this well not a threat, but we need to finish this from the bottom," Allen told WWL-TV in New Orleans.

Allen said at the afternoon press conference that the pressure in the capped well and surrounding water have equalized and he has "high confidence that there will be no oil leaking into the environment."

He said scientists were still discussing whether or not cement would be used in the final sealing of the well, depending on the condition of the drill pipe.

President Barack Obama on Wednesday applauded the headway, saying the Gulf of Mexico operation is "finally close to coming to an end."

He said people's lives "have been turned upside down" as a result of the April 20 BP oil spill, but said he was heartened by indications the spill is, at last, being brought under control.

About 75 percent of the oil has either been captured, been burned off, evaporated or broken down in the Gulf, according to a report to be released Wednesday by scientists with the Interior Department and National Oceanic and Atmospheric Administration.

At the press conference, Gibbs refuted a reporter's assertion that BP CEO Tony Hayward might deserve an apology because - in the reporter's words - Hayward was right when he said that the oil spill was insignificant because the volume of oil released is insignificant compared to the volume of the ocean as a whole.

"Nobody owes Tony Hayward an apology," Gibbs said. "Any apology that is owed is to the disruption to the lives of families, fishermen, hotel owners."

A little more than 205 million gallons gushed in total from the well, based on government estimates.

That leaves about 53.5 million gallons in the Gulf. The amount remaining - or washed up on the shore - is still nearly five times the size of the 11 million-gallon Exxon Valdez spill, which wreaked environmental havoc in Alaska in 1989.

BP Oil Well Gushed 12 Times Initial Estimates

About a quarter of the oil evaporated or dissolved in the warm Gulf waters, the same way sugar dissolves in water, federal officials said. Another one-sixth naturally dispersed because of the way it leaked from the well. Another one-sixth was burned, skimmed or dispersed using controversial chemicals.

Charter boat captain Randy Boggs, of Orange Beach, Ala., said Wednesday he has a hard time believing BP's claims of success with the static kill and similarly dismissed the idea that only a quarter of the oil remains in the Gulf.

"There are still boats out there every day working, finding turtles with oil on them and seeing grass lines with oil in it," said Boggs, 45. "Certainly all the oil isn't accounted for. There are millions of pounds of tar balls and oil on the bottom."

A 75-ton cap placed on the well in July has been keeping the oil bottled up inside over the past three weeks but was considered only a temporary measure. BP and the Coast Guard wanted to plug up the hole with a column of heavy drilling mud and cement to seal it off more securely.

The static kill - also known as bullheading - involved slowly pumping the mud from a ship down lines running to the top of the ruptured well a mile below. A previous, similar effort failed in May when the mud couldn't overcome the unstemmed flow of oil.

The pressure in the well dropped quickly in the first 90 minutes of the static kill procedure Tuesday, a sign that everything was going as planned, wellsite leader Bobby Bolton told The Associated Press. Bolton said Tuesday night that the procedure was going well. "Pressure is down and appears to be stabilizing," he told the AP then.

Assistant to the President for Energy and Climate Change Carol Browner told CBS' "The Early Show" that it was good news that the static kill was working but that "we remain focused on the relief well."

"That is the way to permanently kill this well. That's what we want to see happen."

BP won't know for certain whether the static kill has succeeded until engineers can use the soon-to-be-completed relief well to check their work.

BP Could Face up to $21B in Oil Spill Fines

In the Gulf, workers stopped pumping mud in after about eight hours of static kill work and were monitoring the well to ensure it remained stable, BP said.

"It's a milestone," BP PLC spokeswoman Sheila Williams said. "It's a step toward the killing of the well."

The pressure in the well dropped quickly in the first 90 minutes of the static kill procedure, a sign that everything was going as planned, wellsite leader Bobby Bolton told The Associated Press on Tuesday.

BP has said the static kill might be enough by itself to seal the well. But the 18,000-foot relief well that BP has been drilling for the past three months will be used later this month to execute the "bottom kill," in which mud and cement will be injected into the bedrock 2? miles below the sea floor to finish the job, Allen said Tuesday.

"There should be no ambiguity about that," Allen said. "I'm the national incident commander, and this is how this will be handled."

The task is becoming more urgent because peak hurricane season is just around the corner, Allen said. Tropical Storm Colin formed then dissipated far out in the Atlantic on Tuesday, but early forecasts say it will travel toward the East Coast rather than the Gulf.

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© 2010 CBS Interactive Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.
23 Comments Add a Comment
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dgstrunk says:
What kind of insane statement is this :25% of the oil leaked into the Gulf has evaporated.I did not know oil could evaporate. Can someone fill me in?
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M_Miles replies:
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Allen states high confidence no new oil. For a different perspective, read the following, by pasting followin link into browser . . .

http://bklim.newsvine.com/_news/2010/07/30/4781973-why-is-bps-macondo-blowout-so-disastrous-beyond-patch-up-
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dgstrunk says:
What kind of insane statement is this :25% of the oil leaked into the Gulf has evaporated.I did not know oil could evaporate. Can someone fill me in?
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M_Miles replies:
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Light ends of oil known as light hydrocarbons can evaporate into the air. These are known as hydrocarbon gases, those that are known can be toxic to the human species. Look up MSDS sheets on crude oil for more information. . . . There are some new hydrocarbon mixes the effects are not known, paste following link in your browser . . .

http://www.youtube.com/watch?v=pIYxnp3KQC0&feature=player_embedded
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j40405 says:
Great, No more oil spilling from the well. Now lets get down to, "What happened in the first place"? An educated, trained engineer made a decision to continue work even though a worker pointed out that the blowout preventer was damaged. This engineer along with his or her boss who wanted to save time and money now need to be put on trial and sent tot jail. They along with anyone else in this chain of command need to be held accountable for what happened there. Let us not forget what happened in the first place.
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_One_American____ says:
Barack Obama today said that his administration will begin immediately with their new phase of response to the Gulf of Mexico oil spill - code name: "OOSOOM"

Which stands for "Out Of Sight, Out Of Mind".

Meanwhile, the Obama FDA determined that all seafood from the Gulf is safe to eat, after giving a few fish and shimp a quick "sniff" test.

Never mind that they were swimming in polluted water - the government says "if you can't smell it, you can't prove it was oil and dispersant that made you sick!"
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thy-only_king replies:
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Damn , lets go fishing.
M_Miles replies:
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Amazing our Government not doing anything about the following? If this were Bush can you imagine what the main line press would be doing and saying!
Paste following into your browser . . .

http://video.foxnews.com/v/4304760/thousands-of-dead-fish-wash-ashore-in-gulf/?playlist_id=86927
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ddh30 says:
Where are all those so-called hundred-mile-long underwater "ghost plumes" of oil CNN and Obama were whining and crying about? I'm glad the "worst man-made disaster in the history of the United States" is now a thing of the past 90 days later. WHAT A JOKE THIS ADMINISTRATION AND THE LIBERAL MEDIA ARE.
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ibsteve2u replies:
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lolll...you're typing that while eating fish you personally caught 15 miles off the Louisiana bayou, I take it?

Otherwise, I don't see how you could claim that you know everything is hunky-dory....
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TimSmithson says:
- nothing is fixed and never will be- by the time the pipes stay at the bottom of the ocean as long as the titanic (100 years)- there will be oil everywhere with no way to stop it... this disaster is going to be sitting on the bottom of the ocean with the pipes slowly eroding into nothing- oil will gushing again as oil will never go dry within the earths surface or it will re-plenish- drilling wells on land and the machinery eroding on land is bad enough, imagine the miles of eroding metal in the ocean- we just don't care - for now our generation is safe- yaaa!!!!! there is a pipe into the earth surface that will always have oil in it and pressure to want to get out- doesn't anyone think of the next generation- live for today, we are leaving no world to live tomorrow...
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TimSmithson replies:
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magnusdumb- you figure there are well 100 years old at the bottom of the ocean? you couldn't care less - a user and abuser of everything on earth
M_Miles replies:
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They do not have to be a hundred years old . . .
Paste following link into your browser . . .

http://www.zdf.de/ZDFmediathek/beitrag/video/1090554/Die-vergessene-Oel-Katastrophe-in-Nigeria#/beitrag/video/1090554/Die-vergessene-Oel-Katastrophe-in-Nigeria
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Renewable216 says:
The Center for Public Integrity reported on its website Tuesday that the Coast Guard's failure to follow its own firefighting policy during the Deepwater Horizon explosion and fire may have contributed to the sinking of the oil rig.

US Coast Guard Rear Admiral Mary Landry was in charge of the gulf when the rig went down last April ! Lets get some answers from Congress !

How odd was it that Mary Landry was also in charge of the April 2003 oil spill in Buzzards Bay. On April 27, 2003, Bouchard Barge 120 hit an obstacle in Buzzards Bay, creating a 12-foot rupture in its hull and discharging an estimated 98,000 gallons of No. 6 oil. The oil is known to have affected an estimated 90 miles of shoreline
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darwufche says:
Only a fool would believe that 3/4 of the spill has been totally eliminated.
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addnarm says:
bp could not kill the well until the second well was dug... i said that the first week of the leak. and look, here it is... the second well is nearly complete so bp can continue to make money on this pool of oil.

"thy-only-bull" go join al-quida
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Cyber998 replies:
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I don't think it works like that. Plan is to cement and mud entire pipe up. Besides, they could just as easily drill another well nearby anyway.
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thy-only_king says:
Great Job BP ...... Now get ready for an attack from the Obama regime.
They are trying to charge you for 12 times the amount of oil that leaked into the Gulf. Good Luck with the battle.
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