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 ...

The latest attempt by Southern California Gas Co. to kill its leaking well above Porter Ranch amounts to a deep shot in the dark. All the repair crew has to do is hit a 7-inch target at the bottom of ...