From SEG Wiki
Revision as of 14:51, 20 December 2011 by Wiki Admin (talk | contribs) (Initial import)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

To cease producing oil or gas from a well when it becomes unprofitable. Before a well is abandoned, usually some of the casing is removed and cement plugs are placed in the borehole to prevent migration of fluids between formations.