Measuring and testing – Borehole or drilling – Fluid flow measuring or fluid analysis
Reexamination Certificate
2006-07-04
2006-07-04
Williams, Hezron (Department: 2856)
Measuring and testing
Borehole or drilling
Fluid flow measuring or fluid analysis
C073S152170
Reexamination Certificate
active
07069775
ABSTRACT:
A borehole caliper tool includes a tool body, a bow spring flexibly coupled to the tool body, a target coupled to the bow spring, and an ultrasonic transducer coupled to the tool body, wherein in operation the ultrasonic transducer transmits an acoustic pulse to the target and receives an echo of the acoustic pulse from the target.
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DuPree Wade D.
Fredette Mark A.
Pabon Miguel F.
Ritter Scott
Echols Brigitte L.
Frank Rodney
Schlumberger Technology Corporation
Segura Victor H.
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