Invention Grant
US09410413B2 Well system with annular space around casing for a treatment operation
有权
井套管周围具有环形空间，用于治疗操作
- Patent Title: Well system with annular space around casing for a treatment operation
- Patent Title (中): 井套管周围具有环形空间，用于治疗操作
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Application No.: US14057217Application Date: 2013-10-18
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Publication No.: US09410413B2Publication Date: 2016-08-09
- Inventor: Robert S. O'Brien
- Applicant: Robert S. O'Brien
- Applicant Address: US TX Houston
- Assignee: BAKER HUGHES INCORPORATED
- Current Assignee: BAKER HUGHES INCORPORATED
- Current Assignee Address: US TX Houston
- Agency: Cantor Colburn LLP
- Main IPC: E21B43/267
- IPC: E21B43/267 ; E21B43/11 ; E21B43/26 ; E21B43/10
Abstract:
In one aspect, a method for completing a wellbore in a formation is disclosed, that in one non-limiting embodiment includes placing a casing in the wellbore, cementing an annulus between the casing and the wellbore, and forming an annular cavity of a selected length in the cement between the casing and the wellbore. In one aspect, the forming the annular space includes placing a dissolvable material on an outside of the casing before placing the casing in the wellbore, and dissolving the dissolvable material after cementing to form the annular space.
Public/Granted literature
- US20150107836A1 Well System With Annular Space Around Casing For A Treatment Operation Public/Granted day:2015-04-23
Information query
IPC分类:
