Downhole thermal anomaly detection for passive ranging to a target wellbore

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United States of America Patent

PATENT NO 10947839
APP PUB NO 20170145815A1
SERIAL NO

15316494

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Abstract

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A method can include measuring temperature along a relief wellbore, thereby detecting a temperature anomaly in an earth formation penetrated by the relief wellbore, and determining a location of an influx into a target wellbore, based on the temperature anomaly detecting. A thermal anomaly ranging system for use with a subterranean well can include a temperature sensor in a relief wellbore that penetrates an earth formation, the temperature sensor detecting a temperature anomaly in the formation, and the temperature anomaly being caused by an influx into a target wellbore. Another method can include measuring optical scattering in an optical waveguide positioned in a relief wellbore, thereby detecting a temperature anomaly in an earth formation penetrated by the relief wellbore, and determining a location of an influx into a target wellbore, based on the temperature anomaly detecting.

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Patent Owner(s)

  • HALLIBURTON ENERGY SENDEES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cramm, Carl J Houston, US 7 78
Cuthbert, Andrew J Houston, US 6 73
Hess, Joseph E Richmond, US 9 90

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