Water control device using electromagnetics
First Claim
1. An apparatus for controlling a flow of a production fluid between a wellbore tubular and a formation, wherein the production fluid has an electrically conductive component and a non-electrically conductive component, the apparatus comprising:
- a flow control device configured to control the flow of the production fluid between the wellbore tubular and the formation; and
a generator coupled to the flow control device, the generator configured to generate both an electrical energy and an electrical signal in response to an increase in the flow of the electrically conductive component through a magnetic field, the generator activating the flow control device upon a preset concentration of the electrically conductive component being in the production fluid.
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Accused Products
Abstract
An apparatus for controlling a flow of fluid in a well includes a flow control device and a generator that generates electrical energy in response to a flow of an electrically conductive fluid. The flow control device may include an actuator receiving electrical energy from the generator, and a valve operably coupled to the actuator. The actuator may be configured to operate after a preset value for induced voltage is generated by the generator. The generator may use a pair of electrodes positioned along a flow path of the electrically conductive fluid to generate electrical energy. In one arrangement, one or more elements positioned proximate to the electrodes generate a magnetic field along the flow path of the electrically conductive fluid that causes the electrodes to generate a voltage. In another arrangement, the electrodes create an electrochemical potential in response to contact with the electrically conductive fluid.
167 Citations
20 Claims
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1. An apparatus for controlling a flow of a production fluid between a wellbore tubular and a formation, wherein the production fluid has an electrically conductive component and a non-electrically conductive component, the apparatus comprising:
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a flow control device configured to control the flow of the production fluid between the wellbore tubular and the formation; and a generator coupled to the flow control device, the generator configured to generate both an electrical energy and an electrical signal in response to an increase in the flow of the electrically conductive component through a magnetic field, the generator activating the flow control device upon a preset concentration of the electrically conductive component being in the production fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for controlling a flow of a production fluid between a wellbore tubular and a formation, wherein the production fluid has an electrically conductive component and a non-electrically conductive component, the method comprising:
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flowing the production fluid from the formation into the wellbore; controlling the flow of the production fluid between the wellbore tubular and the formation using a flow control device; and activating the flow control device upon a preset concentration of the electrically conductive fluid being in the production fluid and using electrical energy generated by the increasing flow of the electrically conductive component of the production fluid through a magnetic field. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for controlling production fluid flow in a well having a wellbore tubular, wherein the production fluid has an electrically conductive component and a non-electrically conductive component, the method comprising:
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positioning a flow control device along the wellbore tubular; positioning a plurality of electrodes along a flow of the production fluid; positioning at least one magnetic element along a flow of production fluid; generating both an electrical signal and an electrical energy using the plurality of electrodes and the at least one magnetic element in response to an increase in the flow of the electrically conductive component; and actuating the flow control device using the generated electrical signal upon a preset concentration of the electrically conductive component flowing the flow control device.
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Specification