Power generation system
First Claim
1. A system for generating an electrical power output from a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said system comprising a turbine positioned above said floor of said body of water and beneath said surface of said body of water, said turbine being operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, said turbine generating said electrical power output when said turbine is rotated, and at least one speed sensor for sensing a rotational speed of said turbine.
1 Assignment
0 Petitions
Accused Products
Abstract
A system for generating an electrical power output from a subsea installation that includes at least one flowline, wherein the system includes a turbine that is operatively connected to the flowline, the turbine being rotatable by fluid flowing through the flowline, and the turbine generating the electrical power output when the turbine is rotated.
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Citations
57 Claims
- 1. A system for generating an electrical power output from a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said system comprising a turbine positioned above said floor of said body of water and beneath said surface of said body of water, said turbine being operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, said turbine generating said electrical power output when said turbine is rotated, and at least one speed sensor for sensing a rotational speed of said turbine.
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27. A system for generating an electrical power output to support a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said system comprising:
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a turbine positioned above said floor of said body of water and beneath said surface of said body of water, said turbine being operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, and said turbine generating said electrical power output when said turbine is rotated; at least one electrical power storage device, said electrical power output being supplied to said at least one electrical power storage device; and at least one electrically operated component powered by said at least one electrical power storage device, wherein said at least one electrically operated component comprises a valve actuator. - View Dependent Claims (28, 29, 30, 31, 32, 33)
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34. A method for generating an electrical power output from a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said method comprising:
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operatively connecting a turbine positioned above said floor of said body of water and beneath said surface of said body of water to said flowline; directing a flow of fluid through said turbine to thereby generate said electrical power output; and sensing a rotational speed of said turbine. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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47. A system for generating an electrical power output from a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said system comprising a turbine positioned above said floor of said body of water and beneath said surface of said body of water, said turbine being operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, said turbine generating said electrical power output when said turbine is rotated, and at least one direction sensor for sensing the direction of rotation of said turbine.
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48. A system for generating an electrical power output from a subsea installation, said subsea installation comprising at least one flowline, said system comprising:
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a turbine operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, said turbine generating said electrical power output when said turbine is rotated, a choke valve connected to said flowline; a first pressure sensor for sensing a first pressure in said flowline on one side of said choke valve; and a second pressure sensor for sensing a second pressure in said flowline on the other side of said choke valve. - View Dependent Claims (49, 50)
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51. A system for generating an electrical power output from a subsea installation positioned adjacent a floor of a body of water and beneath a surface of said body of water, said subsea installation comprising at least one flowline, said system comprising a turbine positioned above said floor of said body of water and beneath said surface of said body of water, said turbine being operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, said turbine generating said electrical power output when said turbine is rotated, and at least one electrically operated component, said electrical power output being supplied to said at least one electrically operated component, wherein said at least one electrically operated component comprises a valve actuator.
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52. A system for generating an electrical power output to support a subsea installation, said subsea installation comprising at least one flowline, said system comprising:
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a turbine operatively connected to said flowline, said turbine being rotatable by fluid flowing through said flowline, and said turbine generating said electrical power output when said turbine is rotated; at least one electrical power storage device, said electrical power output being supplied to said at least one electrical power storage device; at least one electrically operated component powered by said at least one electrical power storage device; a subsea control module for controlling said system, wherein said control module causes said turbine to selectively be in at least a first state wherein said turbine generates electrical power, and a second state wherein said turbine does not generate electrical power; and at least one charge sensor for sensing the charge level of said at least one electrical power storage device, said charge level determining the selection of said first and second states of said turbine by said control module.
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53. A subsea system for generating electrical power, said system being positioned in a body of water, said system comprising:
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a subsea installation positioned adjacent a floor of said body of water, said subsea installation comprising at least one production flowline; a turbine positioned above said floor of said body of water and below a surface of said body of water, said turbine being operatively coupled to said at least one production flowline, said turbine being rotatable by production fluid flowing through said production flowline, said turbine generating electrical power output when said turbine is rotated by said production fluid. - View Dependent Claims (54)
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55. A subsea system for generating electrical power, said system being positioned in a body of water, said system comprising:
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a subsea installation positioned adjacent a floor of said body of water, said subsea installation comprising at least one fluid injection flowline; a turbine positioned above said floor of said body of water and below a surface of said body of water, said turbine being operatively coupled to said at least one fluid injection flowline, said turbine being rotatable by fluid flowing through said fluid injection flowline, said turbine generating electrical power output when said turbine is rotated by said fluid. - View Dependent Claims (56, 57)
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Specification