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 ...

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 ...