PORTER RANCH (CBSLA/AP) – A ruptured well casing and a lack of proper safety regulations were the cause of a 2015 Aliso Canyon methane gas leak which forced thousands of Porter Ranch residents to flee ...

Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

Some Congressional investigators who have consulted with a noted scientist are concerned about reports that the Deepwater Horizon oil rig's well casing is damaged. The fear is "we could end up with ...

Expandable-profile liners have stabilized problem wellbores throughout Russia, solving lost circulation and wellbore stability problems, regardless of severity or the size of wellbore washouts. Oil ...

Significant casing-job planning and modeling, with a dynamic-surge model, enabled BP PLC successfully to run and cement the 135/8-in. intermediate casing, in the subsea development well Marlin SS-1, ...

Well casing is the set of concentric steel strings run and cemented in a borehole to provide structural support, isolate formations, and create a pressure-tight conduit for drilling and production. It ...