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 ...

Weeks before the April 20 Deepwater Horizon explosion, oil company BP and subcontractor Halliburton were aware of test results showing that the cement mixture designed to temporarily seal the well was ...

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 ...

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 ...

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 ...