Cementing the Well. After casing, or steel pipe, is run into the well, ... Two wiper plugs, or cementing plugs, that sweep the inside of the casing and prevent mixing: ...

Casing and Cementing - CAC May 27, 2014 This course builds a firm foundation in the principles and practices of designing, planning and conducting successful casing and cement jobs.

But if gas bubbles invade the setting cement, they can form a channel for pressurized gas and oil to surge uncontrollably up the well, usually around the casing. The cement must be strong enough ...

BP said Sunday on its Web site that a cement plug had been successfully put in place after a procedure to seal the leaking well in the Gulf of Mexico. The cement plug was poured into the well last ...

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 "root cause" of the Gulf oil rig explosion was the failure of the cement or casing to plug BP's underwater oil well, Transocean Ltd said on Monday in testimony prepared for congressional ...

The cement and steel casings of old shale gas wells will inevitably deteriorate and fail over time, resulting in the upward migration of fracking fluids to ground water zones ...

August 13, 2010 — -- After 116 days, 206 million gallons of leaking oil that harmed wildlife and livelihoods, and 11 attempts to plug BP's broken well head, officials said the well is still ...

Steven Newman, the CEO of the rig owner, Transocean, told senators that “without a disastrous failure” of cement plugs or cement casing enclosing the well, “the explosion could not have ...

One year after a deadly oil-rig explosion set off the worst offshore spill in U.S. history, the environmental minefield of abandoned wells in the Gulf of Mexico is worse than first thought, with ...