Reporting from Atlanta and Washington — Weeks before the Deepwater Horizon explosion, oil company BP and subcontractor Halliburton were aware of test results showing that the cement mixture designed ...

Halliburton Co. acknowledged late Thursday that it skipped doing a critical test on the final formulation of cement used to seal the BP oil well that blew out in the Gulf of Mexico. The company, which ...

WASHINGTON Halliburton officials knew weeks before the fatal explosion of the BP well in the Gulf of Mexico that the cement mixture they planned to use to seal the bottom of the well was unstable but ...

Before the massive blowout of BP's Macondo oil well in the Gulf of Mexico, tests showed that the cement Halliburton pumped down into the well could be unstable, according to a presidential commission ...

Optimization of the displacement flow rate improved the cement bonding of Tabamiao block's gas exploration wells in the Ordos basin of north central China. Optimization of the displacement flow rate ...

In completion of oil and gas wells, cement isolates the wellbore, prevents casing failure, and keeps wellbore fluids from contaminating freshwater aquifers. The basic factors engineers and operators ...

BP had been told weeks before the explosion on the Deepwater Horizon caused the world's biggest accidental offshore oil spill that the cement slurry that would be used for the well was unstable, the ...

Maturity and compressive strength of concrete is tested through both destructive and non-destructive methods. Destructive test involve damaging some of an element or the structure. Some would like to ...