Providing a rechargeable hydraulic accumulator in a wellbore

Details Providing a rechargeable hydraulic accumulator in a wellbore Providing a rechargeable hydraulic accumulator in a wellbore

2007-08-21

2010-02-23

Wright, Giovanna C (Department: 3672)

Wells

Processes

Operating valve, closure, or changeable restrictor in a well

C166S319000, C166S386000

Reexamination Certificate

active

07665527

ABSTRACT:
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.

REFERENCES:
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patent: 6851481 (2005-02-01), Vinegar et al.
patent: 7219728 (2007-05-01), Veneruso
patent: 7231971 (2007-06-01), McCalvin
patent: 2006/0191681 (2006-08-01), Storm
patent: 2006/0191682 (2006-08-01), Storm
patent: 2006/0191687 (2006-08-01), Storm
patent: 2006060673 (2006-06-01), None
patent: 2006060708 (2006-06-01), None
patent: 2006065559 (2006-06-01), None

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