P.E. Pilkington Conoco Inc. Houston Evaluating cement between two strings of casing can be a problem. The signal from the outer string of casing can interfere with amplitude measurement if the inner ...

WASHINGTON – WASHINGTON (AP) — The CEO of the company that owned the oil drilling rig that exploded in the Gulf of Mexico says the accident was caused by a failure of its cementing, casing or perhaps ...

Erle P. Halliburton in 1921 patented an advanced technology for cementing wells that brought greater production and environmental safety to America’s oilfields. With his “Method and Means for ...

The other day, I received an email from a representative of an international oil company, which is wholly owned by the government and reports to the Department of Energy. The email contained this ...

Used for a number of different reasons, cementing protects and seals the wellbore. Most commonly, cementing is used to permanently shut off water penetration into the well. Part of the completion ...

The tricky process of sealing an offshore oil well with cement - suspected as a major contributor to the Gulf of Mexico oil spill disaster - has failed dozens of times in the past, according to an ...

The tricky process of sealing an offshore oil well with cement — suspected as a major contributor to the Gulf of Mexico disaster — has failed dozens of times in the past, according to an Associated ...

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 ...

Summary: Ideal conditions for geothermal power can create some of the biggest cementing challenges for wells. Where traditional cementing methods fail, tailored cement formulations and processes can ...

Reporting from Washington — Weeks before the Deepwater Horizon exploded and sank, oil company BP and subcontractor Halliburton learned that tests had shown the cement mixture designed to seal the well ...