Communications: electrical – Audible indication – Explosive
Reexamination Certificate
2008-01-22
2008-01-22
La, Anh V. (Department: 2612)
Communications: electrical
Audible indication
Explosive
C340S686100, C175S040000
Reexamination Certificate
active
07321293
ABSTRACT:
An improvement in a tool of the type which is adapted for connection into a drilling string, which tool is adapted to perform a function in the drilling string as a first function. The improvement is a magnetic field source incorporated with the tool so that the tool is adapted to perform a magnetic field source carrying function as a second function. The first function is unrelated directly to the second function.
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Grills, Tracy L., “Magnetic Ranging Technologies for Drilling Steam Assisted Gravity Drainage Well Pairs and Unique well Geometries . . . ,” SPE/Petroleum Society of CIP/CHOA79005.
Kennedy Timothy Wayne
Schnell Rodney Alan
Vandal Bryan Armand
Halliburton Energy Service,s Inc.
Kuharchuk Terrence N.
La Anh V.
Menezes Clive D.
Shull William
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