Movie images obtained with an off-the-shelf camcorder deployed on the end of a rope greatly reduced the time and cost associated with fishing and casing repair of a severely damaged shallow heavy-oil ...

Increasing casing failures in Daqing oil field have aggravated damage to wells. A new method to repair these failures removes and replaces damaged casing with a sleeve milling pipe string. This is an ...

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 ...

The Southern California well that has gushed climate-changing methane into the sky for 89 days was operated in a way that is legal but risky, some well experts say. Southern California Gas Co., a unit ...