Communications: electrical – Wellbore telemetering or control – In horizontal or inclined passage arrangement
Patent
1987-07-16
1989-02-21
Kyle, Deborah L.
Communications: electrical
Wellbore telemetering or control
In horizontal or inclined passage arrangement
340857, 175 40, 336DIG2, G01V 100
Patent
active
048069280
ABSTRACT:
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.
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Bouchard John H.
Eldred John W.
Garrana Henry N.
Kyle Deborah L.
Schlumberger Technology Corporation
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