BP says it has permanently plugged leaking deep-sea well
Monday, September 20, 2021 12:16 AM

(Source: Irish Times)WITH A final shot of cement, BP yesterday permanently "killed" its deep-sea well in the Gulf of Mexico that ruptured in April and unleashed the worst oil spill in US history.

"We can finally announce that the Macondo 252 well is effectively dead," retired Coast Guard Admiral Thad Allen, who oversees the US government response to the disaster, said.

"After months of extensive operations, planning and execution under the direction and authority of the US government science and engineering teams, BP has successfully completed the relief well by intersecting and cementing the well nearly 18,000 feet (3.4 miles/ 5.5 km) below the surface," Allen said.

President Barack Obama, whose public approval ratings were hurt by public discontent over the US government's initial response to the spill, welcomed the long-awaited development as an "important milestone".

Mr Obama said his administration was now focused on making sure the Gulf Coast "recovers fully from this disaster".

""This road will not be easy, but we will continue to work closely with the people of the Gulf to rebuild their livelihoods and restore the environment that supports them," Mr Obama said.

Last Thursday, a relief well bored into the bottom of the Macondo well to pump in cement and seal the reservoir for good. BP pumped cement for seven hours on Friday, and finished a pressure test early on Sunday that showed the well was dead, Mr Allen said.

He said additional regulatory steps to plug and abandon the well remain on tap "but we can now state, definitively, that the Macondo well poses no continuing threat to the Gulf of Mexico".

The development provided an anticlimactic end to the disaster nearly five months after the well ruptured, causing an explosion aboard the Deepwater Horizon drilling rig that killed 11 workers and spewed more than 4 million barrels of oil into the sea.

The spill marred the coasts of four US Gulf states, prompted a ban on new deepwater drilling and left BP's image in tatters in the United States, home to 40 per cent of the London-based oil giant's business.

The disaster also wiped about $70 billion from BP's market value and spurred BP to replace its gaffe-prone chief executive Tony Hayward with an American, Bob Dudley.

Oil has not leaked into the sea from the mile-deep (1.6 km deep) well since BP engineers sealed it on July 15th with a cap. The well had gushed more than 16 times as much as the 257,000 barrels of oil spilled by the Exxon Valdez disaster in Alaska in 1989. - (Reuters)

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