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 ...

Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...

Casing wear is a serious problem in highly-deviated wells because serious wear will lead to casing deformation, drilling tool sticking and failure of subsequent operations. The purpose of this paper ...