发明授权
US07665527B2 Providing a rechargeable hydraulic accumulator in a wellbore 有权
在井眼中提供可再充电液压蓄能器

Providing a rechargeable hydraulic accumulator in a wellbore
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.
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