FLUID RESISTIVITY SENSOR
First Claim
Patent Images
1. An apparatus comprising:
- a sensor to measure conductivity of a fluid, the sensor having an electric dipole transmitter to induce an electric current in the fluid and having a receiver to detect electric current strength in the fluid in response to inducing the electric current.
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Abstract
Various embodiments include apparatus and methods of determining resistivity of fluids downhole in a well. The apparatus and methods may include using a sensor that employs a focused electric dipole as a transmitter and a uses a receiver to detect the electric current strength in the fluid under measurement responsive to the transmitter. Additional apparatus, systems, and methods are disclosed.
24 Citations
30 Claims
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1. An apparatus comprising:
a sensor to measure conductivity of a fluid, the sensor having an electric dipole transmitter to induce an electric current in the fluid and having a receiver to detect electric current strength in the fluid in response to inducing the electric current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
a sensor to measure conductivity of a fluid, the sensor including; an electric dipole transmitter to induce an electric current in the fluid; and one toroid receiver to detect electric current strength in the fluid. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A system comprising:
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a sensor to measure conductivity of a fluid, the sensor having an electric dipole transmitter to induce an electric current in the fluid and having a receiver to detect electric current strength in the fluid in response to inducing the current; and a processing unit to process a signal from the sensor. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method comprising:
measuring conductivity of a fluid using a sensor having an electric dipole transmitter to induce an electric current in the fluid and having a receiver to detect electric current strength in the fluid in response to inducing the electric current. - View Dependent Claims (22, 23, 24, 25)
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26. A method comprising:
forming a sensor to measure conductivity of a fluid, including; disposing an electric dipole transmitter unit to induce an electric current in the fluid; and disposing a receiver unit relative to the electric dipole transmitter unit to detect electric current strength in the fluid in response to inducing the electric current. - View Dependent Claims (27, 28, 29, 30)
Specification