E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/14 (2006.01) E21B 43/12 (2006.01) E21B 7/08 (2006.01)
Patent
CA 2497617
In accordance with the present invention, a plurality of methods and devices are provided for solving important and serious problems posed by lateral (and especially multilateral) completion (70) including method and devices (94) for re-entering selected lateral wells (70) to perform completions work, additional drilling, or remedial and stimulation work. Various methods and devices are provided for assisting in the location and re-entry of lateral wells (70). Such re-entry devices include permanent or retrievable deflector (e.g. whipstock) devices (94). Preferably, the re-entry methods of this invention permit the bore size of the lateral wells (70) to be the same or substantially the same bore size as the vertical wells (66).
Brockman Mark W.
Cockrell Jeffrey D.
Mcnair Robert J.
Murray Douglas J.
White L. Cameron
Baker Hughes Incorporated
Sim & Mcburney
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