Communications: electrical – Wellbore telemetering or control – With position or depth recording
Reexamination Certificate
2011-03-29
2011-03-29
Edwards, Jr., Timothy (Department: 2612)
Communications: electrical
Wellbore telemetering or control
With position or depth recording
C175S061000, C702S166000
Reexamination Certificate
active
07916041
ABSTRACT:
A method of sensing and transmitting hole depth information comprises monitoring, at the surface, the extension of the hole as drilling progresses, determining when the hole depth has extended by a predetermined distance, and sending an increment signal to a telemetry device.
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Echols Brigitte
Edwards, Jr. Timothy
Loccisano Vincent
Schlumberger Technology Corporation
Welch Jeremy
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