Borehole discontinuities for enhanced power generation
First Claim
Patent Images
1. An apparatus for redirecting fluid flow therethrough, the apparatus comprising:
- a flow passage extending in the apparatus;
a flow region in communication with the flow passage;
a tool operative in conjunction with fluid in the flow region; and
multiple flow restrictors in the flow passage, the flow restrictors being operative to influence at least a portion of the fluid to flow from the flow passage to the flow region.
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Abstract
An enhanced electrical power generating system. In a described embodiment, an electrical power generating system for use in a subterranean well includes a flow passage formed through a tubular string in the well, a flow region in communication with, and laterally offset relative to, the flow passage, an electrical power generator operative in response to flow of fluid through the flow region and multiple flow restrictors in the flow passage. The flow restrictors are operative to influence at least a portion of the fluid to flow from the flow passage through the flow region.
71 Citations
95 Claims
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1. An apparatus for redirecting fluid flow therethrough, the apparatus comprising:
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a flow passage extending in the apparatus;
a flow region in communication with the flow passage;
a tool operative in conjunction with fluid in the flow region; and
multiple flow restrictors in the flow passage, the flow restrictors being operative to influence at least a portion of the fluid to flow from the flow passage to the flow region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrical power generating system for use in a subterranean well, the system comprising:
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a first flow passage formed through a tubular string in the well;
a flow region in communication with the first flow passage;
an electrical power generator operative in response to flow of fluid through the flow region; and
multiple flow restrictors in the first flow passage, the flow restrictors being operative to influence at least a portion of the fluid to flow from the first flow passage through the flow region. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. An apparatus for redirecting fluid flow therethrough, the apparatus comprising:
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a flow passage extending in the apparatus;
a flow region in communication with the flow passage on a first lateral side of the flow passage;
a tool operative in conjunction with fluid in the flow region; and
an intersection between the flow passage and the flow region upstream of the tool, the intersection having a relatively smooth first internal profile on the first lateral side of the flow passage, thereby influencing the fluid to flow toward the flow region. - View Dependent Claims (59, 60, 61, 62, 63, 64)
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65. An electrical power generating system, the system comprising:
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a flow passage having a longitudinal axis;
a flow rotating structure which influences fluid flowing through the flow passage to rotate about the longitudinal axis; and
a rotationally mounted device which rotates in response to the fluid rotating about the longitudinal axis. - View Dependent Claims (66, 67, 68, 69, 70, 71, 72)
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73. An apparatus for redirecting fluid flow therethrough, the apparatus comprising:
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a first flow passage extending in the apparatus, the first flow passage being configured for flow of fluid therethrough, and for well tool access therethrough;
a flow region in communication with the first flow passage on a lateral side of the first flow passage; and
multiple flow restrictors in the first flow passage, the flow restrictors influencing the fluid to flow away from the first flow passage. - View Dependent Claims (74, 75, 76, 77, 78, 79)
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80. An apparatus for redirecting fluid flow therethrough, the apparatus comprising:
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a flow passage extending in the apparatus, the flow passage being configured for flow of fluid therethrough, and for well tool access therethrough;
a flow region in communication with the flow passage on a lateral side of the flow passage; and
a flow restricting device which influences an increasing proportion of the fluid to flow through the flow region, instead of through the flow passage, as a rate of fluid flow through the apparatus increases. - View Dependent Claims (81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95)
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Specification