WELLBORE CONDITION MONITORING SENSORS
First Claim
Patent Images
1. An apparatus for estimating a downhole property of interest, the apparatus comprising:
- a carrier configured to be conveyed in a borehole penetrating an earth formation and carry a releasable sensor; and
a sensor configured to be released by the carrier into drilling fluid and to sense the property;
wherein the sensor comprises a memory to store sensed property data.
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Abstract
Disclosed is an apparatus for estimating a downhole property of interest. The apparatus includes a carrier configured to be conveyed in a borehole penetrating an earth formation and carry a releasable sensor. The sensor is configured to be released by the carrier into drilling fluid and to sense the property. The sensor includes a memory to store sensed property data. The data can be downloaded from the memory wirelessly with the sensor in the drilling fluid or by retrieving the sensor from the drilling fluid.
61 Citations
29 Claims
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1. An apparatus for estimating a downhole property of interest, the apparatus comprising:
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a carrier configured to be conveyed in a borehole penetrating an earth formation and carry a releasable sensor; and a sensor configured to be released by the carrier into drilling fluid and to sense the property; wherein the sensor comprises a memory to store sensed property data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method for estimating a downhole property of interest, the method comprising:
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conveying a carrier through a borehole penetrating the earth; releasing a sensor into drilling fluid; sensing the property of interest using the sensor; and downloading data sensed by the sensor at a location uphole from the sensing. - View Dependent Claims (26, 27, 28, 29)
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Specification