Boring or penetrating the earth – With signaling – indicating – testing or measuring
Reexamination Certificate
2011-03-29
2011-03-29
Wright, Giovanna C (Department: 3672)
Boring or penetrating the earth
With signaling, indicating, testing or measuring
C175S024000, C175S050000, C340S854400
Reexamination Certificate
active
07913773
ABSTRACT:
The disclosure has application for use in conjunction with an operation of drilling an earth borehole using: a drilling rig, a drill string having its generally upper end mechanically coupleable with and suspendable from the drilling rig, and a bottom hole assembly adjacent the lower end the drill string, the bottom hole assembly including a drill bit at its lower end. A method is set forth for obtaining information about at least one parameter sensed at the bottom hole assembly, including the following steps: providing at least one measuring device in the bottom hole assembly, the at least one measuring device producing measurement data representative of a measured condition at the bottom hole assembly; providing an uphole processor system at the earth's surface; providing a drill string telemetry system coupled with the at least one measuring device and coupled with the uphole processor system; and transmitting the data from the measuring device to the uphole processor system via the drill string telemetry system.
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MacDonald, Four Different Systems Used for MWD, Oil and Gas Journal, pp. 115 to 124, Apr. 3, 1978.
Aldred Walter D.
Clark Brian
Downton Geoffrey C.
Follini Jean-Marc
Hutin Remi
Echols Brigitte L.
Hofman Dave R.
Schlumberger Technology Corporation
Smith David J.
Wright Giovanna C
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