Method and apparatus for generating downhole power
First Claim
Patent Images
1. A system usable with a subterranean well, comprising:
- a first tubular member adapted to receive a flow of a first fluid;
a second tubular member located in the flow and substantially flexible to be moved by the flow to establish a pressure on a second fluid inside the second tubular members; and
a mechanism to use the pressure to actuate a downhole tool.
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Abstract
A system that is usable with a subterranean well includes a first tubular member that is adapted to receive a flow of a first fluid. The system includes a second tubular member that is located in the flow and is substantially flexible to be moved by the flow to establish a pressure on a second fluid located inside the tubular member. A mechanism of the system uses this pressure to actuate a downhole tool.
14 Citations
23 Claims
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1. A system usable with a subterranean well, comprising:
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a first tubular member adapted to receive a flow of a first fluid; a second tubular member located in the flow and substantially flexible to be moved by the flow to establish a pressure on a second fluid inside the second tubular members; and a mechanism to use the pressure to actuate a downhole tool. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method usable with a subterranean well, comprising:
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receiving a flow of a fluid in a subterranean well; using a substantially flexible member located in the flow to pump a second fluid inside a tubular member to establish a pressure on the second fluid; using the pressure to actuate a downhole tool; and attaching the tubular member so that at least some of the flow enters the tubular member to establish the second fluid. - View Dependent Claims (8, 9, 10, 11)
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12. A system usable with a subterranean well, comprising:
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a first tubular member to receive a flow; and a second tubular member to move in the flow to pump at least part of the flow to establish a hydraulic pressure to operate a downhole tool. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method usable with a subterranean well, comprising:
placing a flexible tube in a flow in a subterranean well to pump at least part of the flow to establish a hydraulic pressure to operate a downhole tool. - View Dependent Claims (19, 20, 21, 22, 23)
Specification