G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 3/02 (2006.01) G01V 3/20 (2006.01) G01V 3/24 (2006.01)
Patent
CA 2476976
A resistivity logging sensor for logging while drilling a well using an oil- based mud includes a sensor body; a first current injector electrode disposed on the sensor body, wherein the first current injector electrode is electrically insulated from the sensor body; at least two current return electrodes disposed on the sensor body at a selected distance from the first current injector electrode, wherein the at Yeast two current return electrodes are disposed proximate to each other and are electrically insulated from the sensor body; and an electrical source configured to energize the first current injector electrode with a current having a voltage of no less than 50 mvolts and a frequency of no less than 1 KHz.
Omeragic Dzevat
Pisoni Attilio C.
Seydoux Jean
Tabanou Jacques R.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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