Well drilling methods with event detection

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United States of America Patent

PATENT NO 9567843
APP PUB NO 20110024189A1
SERIAL NO

12831716

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Abstract

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A drilling method includes assigning values to behaviors of drilling parameters during a drilling operation; forming multiple parameter signatures, each of the parameter signatures comprising a respective combination of the values; comparing the parameter signatures to multiple event signatures, each of the event signatures being indicative of a respective drilling event; and controlling the drilling operation in response to at least a partial match resulting from comparing the parameter signatures to the event signatures. Another method includes defining an event signature comprising a unique combination of a behavior of each of multiple drilling parameters, the event signature being indicative of a drilling event; accessing data from each of multiple sensors which sense the respective drilling parameters during a drilling operation; determining multiple parameter signature segments from the respective sensed drilling parameters; combining the parameter signature segments, thereby forming a parameter signature; and comparing the parameter signature to the event signature.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bakri, Emad Houston, US 7 104
Lovorn, James R Tomball, US 23 347
Pool, Charles M Bedford, US 9 465
Saeed, Saad Houston, US 6 179
Urias, Frank Plano, US 4 123

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