E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/07 (2006.01) E21B 33/14 (2006.01)
Patent
CA 2750697
An improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inner tubular and an outer tubular. The method further includes the acts of running the casing assembly into the pre-drilled wellbore and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars.
Brunnert David J.
Colvard R.l.
Galloway Gregory G.
Gaspard Gregory Gerard
Gradishar John Robert
Deeth Williams Wall Llp
Shell Oil Company
Weatherford/lamb Inc.
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