WASHINGTON (Reuters) - BP Plc installed a type of cement casing on its now-ruptured undersea well that it knew ran the risk of leaking gases in order to save money, The New York Times reported on ...

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 ...

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 ...