发明授权
- 专利标题: Providing a rechargeable hydraulic accumulator in a wellbore
- 专利标题(中): 在井眼中提供可再充电液压蓄能器
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申请号: US11842245申请日: 2007-08-21
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公开(公告)号: US07665527B2公开(公告)日: 2010-02-23
- 发明人: Ives D. Loretz
- 申请人: Ives D. Loretz
- 申请人地址: US TX Sugar Land
- 专利权人: Schlumberger Technology Corporation
- 当前专利权人: Schlumberger Technology Corporation
- 当前专利权人地址: US TX Sugar Land
- 代理机构: Trop, Pruner & Hu PC
- 代理商 Rodney Warfford; Daryl R. Wright
- 主分类号: E21B34/08
- IPC分类号: E21B34/08
摘要:
A rechargeable hydraulic accumulator is provided in a wellbore, and a component is actuated by discharging the hydraulic accumulator. The hydraulic accumulator is recharged by increasing pressure in a fluid conduit.