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 ...

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 ...

Almost 15,000 gallons of drilling fluid spilled into the Gulf. — Just a week later in a nearby well at another platform, cement improperly seeped through drilling fluid. As a result of an additive ...

While the chain of failures on Deepwater Horizon is under investigation, rig owner Transocean has singled out cement work as one likely fundamental cause of the blowout. Even before Transocean pointed ...

Investigators delving into the causes of the massive gulf oil spill are examining the role of Houston-based Halliburton Co., the giant energy services company that was responsible for cementing the ...

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 ...

WASHINGTON — Drilling engineers and government officials are almost lackadaisical in their approach to the critical steps of closing down an offshore oil drilling rig and sealing it, two days of ...

Kazem Javanmardi, Ken D. Flodberg Shell Offshore Inc. New Orleans James J. Nahm Shell Development Co. Houston A new mud-to-cement conversion technology has eliminated mud displacement problems, ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Investigators delving into the possible cause of the massive gulf oil ...

Mon, 24 May 2010 10:29:42 GMT — (AP) -- 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 ...