Invention Grant
- Patent Title: Downhole bridge plug or packer assemblies
- Patent Title (中): 井下桥塞或封隔器组件
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Application No.: US12592892Application Date: 2009-12-04
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Publication No.: US08205671B1Publication Date: 2012-06-26
- Inventor: Christopher A. Branton
- Applicant: Christopher A. Branton
- Applicant Address: US LA Bossler City
- Assignee: Branton Tools L.L.C.
- Current Assignee: Branton Tools L.L.C.
- Current Assignee Address: US LA Bossler City
- Agent R. Keith Harrison
- Main IPC: E21B33/129
- IPC: E21B33/129

Abstract:
A bridge plug or packer assembly includes a mandrel; at least one sealing element provided on the mandrel; a pair of backup rings each having a plurality of spiral ring grooves provided on the mandrel on respective sides of the at least one sealing element; and a pair of pressure-applying elements provided on the mandrel on respective sides of the pair of backup rings, respectively.
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