E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/04 (2006.01) E21B 17/18 (2006.01) E21B 43/00 (2006.01) E21B 43/12 (2006.01) E21B 43/14 (2006.01) E21B 43/30 (2006.01)
Patent
CA 2499226
An apparatus for selectively accessing a desired wellbore from a plurality of interconnecting wellbores, at least some such wellbores having different opening sizes, operates in an expanded mode to bypass the opening of a wellbore desired not to be accessed while the apparatus is traversing such wellbore and operates in a contracted mode to access the wellbore selected to be accessed.
Donovan Joseph F.
Johnson Michael H.
Turick Daniel J.
Baker Hughes Incorporated
Sim & Mcburney
LandOfFree
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