Washington (CNN) -- Oil giant BP and contractor Halliburton knew of potential flaws in the cement slurry used to reinforce the oil well below the Deepwater Horizon rig before it exploded in April ...

The cement was poured to stabilize the well on April 19 and 20th. On the 20th, the well exploded, killing 11 workers and causing the worst offshore oil spill in U.S. history.

“Halliburton and BP both had results in March showing that a very similar foam slurry design to the one actually pumped at the Macondo well would be unstable, but neither acted upon that data ...

The findings shed new light on troubles with the cement job on BP’s Macondo well in the Gulf of Mexico, which exploded April 20, killing 11 workers and causing the largest offshore oil spill in ...

The chief counsel for the National Oil Spill Commission says in a letter that test results last spring should have raised questions about the cement used to seal BP's well. Halliburton was ...

Cement used to seal the Macondo well may have contributed to the blowout that caused the Gulf of Mexico oil spill, US investigators have found. Both BP, which owned the well, and Halliburton, the ...

Created in a mill as part of the process used to make cement, the slurry is made of a mix of limestone, bauxite and water. [email protected] • 518-454-5094 • @Bnearing10 ...

Beyond sealing up damaged gas wells, the team says its new cement could find use in carbon capture applications, too. “We have invented a very flexible cement that is more resistant to cracking ...