The oil company BP said Thursday it has completed its well plugging with cement damaged in the Gulf of Mexico, in an operation close to the U.S. government bringing an end to the worst environmental disaster in its history.
The success of capping assumes completion of the operation 'static kill' (static phase), the most ambitious oil company has undertaken so far to stop the leak.
However, retired Adm. Thad Allen, who coordinates the response to dumping by the U.S. government said Thursday in a press conference that this "is not the end" of the disaster that has ravaged the waters of Gulf, but "a key step to ensure that no more oil is poured into the ocean."
Allen BP gave the green light to proceed with the introduction of cement into the well on Wednesday, hours after the company announced the success of the first phase of the strategy of sealing, which was to push the oil to the bottom of the tank with the injection of more than 2,300 barrels of heavy mud.
Engineers working for the sealing of the leak were inclined to proceed with the fuel tank cap without waiting to complete the excavation of an auxiliary shaft, which is considered the ultimate solution to landfill.
The auxiliary shaft of about 5,500 meters deep, will close the bottom of the tank that caused the spill by a process dubbed "bottom-kill '(removal from the bottom), through a new round of heavy mud and cement .
The foundation of the auxiliary shaft, provided by BP on 15 August, will be the real beginning of the last phase of the operation to seal the well, which has shed 4.9 million barrels of oil into the ocean since April, when a platform the company collapsed and fell on the tank.
74% of the total crude oil released into the ocean since been collected, burned, vaporized or decomposed by natural processes, according to a scientific report presented on Wednesday the energy adviser to the White House, Carol Browner.
However, according to Browner, the clean and "the help of Mother Nature" will be crucial in the coming months to offset the crude oil that remains on the coast and floating in a residual microscopic particles in the ocean.
The U.S. president, Barack Obama said Wednesday that the fight to contain the spill "is finally coming to an end" and praised the efforts to stem the black tide "has turned on its head" the lives of thousands of people.
On the other hand, Allen said Thursday that the administration "will continue its efforts to compensate" for those affected in the southeastern states of the country and will continue to press BP to assume "full responsibility" in the disaster.
It should be noted that the engineers who carried out the injection of heavy mud yet to determine whether there is any leakage outside the main duct, a process that requires complicated shots of measuring pressure fluctuations in the well failed.
"It seems that the mud pump step directly from the pipeline", on Wednesday said Kent Wells, executive vice president of BP. "We've reached a good point, but we must now make it permanent," he said.
The success of capping assumes completion of the operation 'static kill' (static phase), the most ambitious oil company has undertaken so far to stop the leak.
However, retired Adm. Thad Allen, who coordinates the response to dumping by the U.S. government said Thursday in a press conference that this "is not the end" of the disaster that has ravaged the waters of Gulf, but "a key step to ensure that no more oil is poured into the ocean."
Allen BP gave the green light to proceed with the introduction of cement into the well on Wednesday, hours after the company announced the success of the first phase of the strategy of sealing, which was to push the oil to the bottom of the tank with the injection of more than 2,300 barrels of heavy mud.
Engineers working for the sealing of the leak were inclined to proceed with the fuel tank cap without waiting to complete the excavation of an auxiliary shaft, which is considered the ultimate solution to landfill.
The auxiliary shaft of about 5,500 meters deep, will close the bottom of the tank that caused the spill by a process dubbed "bottom-kill '(removal from the bottom), through a new round of heavy mud and cement .
The foundation of the auxiliary shaft, provided by BP on 15 August, will be the real beginning of the last phase of the operation to seal the well, which has shed 4.9 million barrels of oil into the ocean since April, when a platform the company collapsed and fell on the tank.
74% of the total crude oil released into the ocean since been collected, burned, vaporized or decomposed by natural processes, according to a scientific report presented on Wednesday the energy adviser to the White House, Carol Browner.
However, according to Browner, the clean and "the help of Mother Nature" will be crucial in the coming months to offset the crude oil that remains on the coast and floating in a residual microscopic particles in the ocean.
The U.S. president, Barack Obama said Wednesday that the fight to contain the spill "is finally coming to an end" and praised the efforts to stem the black tide "has turned on its head" the lives of thousands of people.
On the other hand, Allen said Thursday that the administration "will continue its efforts to compensate" for those affected in the southeastern states of the country and will continue to press BP to assume "full responsibility" in the disaster.
It should be noted that the engineers who carried out the injection of heavy mud yet to determine whether there is any leakage outside the main duct, a process that requires complicated shots of measuring pressure fluctuations in the well failed.
"It seems that the mud pump step directly from the pipeline", on Wednesday said Kent Wells, executive vice president of BP. "We've reached a good point, but we must now make it permanent," he said.
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