Invention Grant
- Patent Title: Retractable joint and cementing shoe for use in completing a wellbore
- Patent Title (中): 用于完井的伸缩缝和固井鞋
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Application No.: US11343148Application Date: 2006-01-30
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Publication No.: US07730965B2Publication Date: 2010-06-08
- Inventor: John Christopher Jordan , James G. Martens , R. Lee Colvard , Brent J. Lirette , Gregory Guy Galloway , David J. Brunnert , Gregory Gerard Gaspard , John Robert Gradishar
- Applicant: John Christopher Jordan , James G. Martens , R. Lee Colvard , Brent J. Lirette , Gregory Guy Galloway , David J. Brunnert , Gregory Gerard Gaspard , John Robert Gradishar
- Applicant Address: US TX Houston US TX Houston
- Assignee: Weatherford/Lamb, Inc.,Shell Oil Company
- Current Assignee: Weatherford/Lamb, Inc.,Shell Oil Company
- Current Assignee Address: US TX Houston US TX Houston
- Agency: Patterson & Sheridan, L.L.P.
- Main IPC: E21B7/08
- IPC: E21B7/08

Abstract:
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.
Public/Granted literature
- US20060185855A1 Retractable joint and cementing shoe for use in completing a wellbore Public/Granted day:2006-08-24
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