E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
324/9
E21B 47/12 (2006.01) E21B 17/00 (2006.01) G01V 1/00 (2006.01)
Patent
CA 1293296
ABSTRACT OF THE DISCLOSURE In the representative embodiment of the new and improved apparatus disclosed herein, a downhole tool adapted to be coupled in a pipe string and positioned in a well bore is provided with one or more electrical devices cooperatively arranged to receive power from surface power sources or to transmit and/or receive control or data signals from surface equipment. Unique inner and outer coil assemblies arranged on ferrite cores are arranged on the downhole tool and a suspension cable for electromagnetically coupling the electrical devices to the surface equipment so that power and/or data or control signals can be transmitted between the downhole and surface equipment.
572142
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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