Inside these posts: Oil exploration

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BP challenges U.S. estimates of oil spill rate

BP is mounting a new challenge to U.S. government estimates of how much oil flowed from the runaway well deep below the Gulf of Mexico. The issue will be critical in determining the size of federal pollution fines the company will pay.

Ex-CEO says BP was unprepared for oil spill

Former BP chief Tony Hayward has acknowledged that the company was unprepared for the disastrous Gulf of Mexico oil spill and the media frenzy it spawned, and said the firm came close to financial disaster as its credit sources evaporated. Get the full story »

EPA chief: Look beyond damage oil to restore Gulf

The U.S. Gulf region must repair not only the damage from the BP oil spill but also that caused by decades of environmental abuse, Environmental Protection Agency Administrator Lisa Jackson said on Monday. Get the full story »

Toxic chemicals found deep at oil spill site

Toxic chemicals at levels high enough to kill sea animals extended deep underwater soon after the BP oil spill, U.S. researchers reported Tuesday.

They found evidence of the chemicals as deep as 3,300 feet

and as far away as 8 miles in May, and said the spread likely worsened as more oil spilled. Get the full story »

Judge releases Halliburton cement to investigators

A New Orleans federal judge overseeing litigation on the Deepwater Horizon drilling disaster signed an order to release materials Halliburton used in the cementing job on BP’s blown-out Macondo well to federal investigators. Get the full story »

Halliburton shares still sliding on spill report

Halliburton Co. shares continued to slide on Friday, a day after a government panel said the oilfield service company used flawed cement on the BP well that blew out in the Gulf of Mexico, causing the worst offshore oil spill in U.S. history.

Investors worried about Halliburton’s liability sent the shares down as much as 16 percent on Thursday after the White House panel issued its report and a letter. The stock continued its slide on Friday, falling 1.4 percent.

Halliburton vigorously defended its actions in a lengthy statement issued Thursday night, saying there were significant differences between the company’s tests on the cement used in the Macondo well and the government’s tests. Get the full story »

BP, Halliburton knew of cement flaws before spill

From The New York Times | Halliburton and BP knew weeks before the blast on a rig in the Gulf of Mexico that the cement mixture they planned to use to seal the well was unstable, a commission found.

Shell CEO criticizes Gulf spill

The head of Royal Dutch Shell says that his company would never have made the mistakes that led to BP’s devastating Gulf of Mexico oil spill. Get the full story »

BP says costs of oil spill rise to $11.2 billion

BP named the Gulf of Mexico assets that it will use to help finance the $20 billion fund for victims of its oil spill and said the cost of dealing with the disaster had risen to $11.2 billion. Get the full story »

BP to create new safety unit

BP says it will create a new safety division in the aftermath of this summer’s oil spill disaster in the Gulf of Mexico. The “powerful“ new unit “will have authority to intervene in all aspects of BP’s technical activities,“ the company said in a statement Wednesday. Get the full story »