Rechargeable hydraulic power source for actuating downhole tool
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United States of America Patent
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Jul 7, 1992
Grant Date -
N/A
app pub date -
Feb 20, 1991
filing date -
Feb 20, 1991
priority date (Note) -
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Abstract
A downhole tool includes a hydraulic power supply containing a volume of compressed gas. The hydraulic power supply can be recharged while the tool is located downhole in the well by recompressing the gas in the power supply chamber.
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Cited Art Landscape
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