Communications: electrical – Wellbore telemetering or control – In horizontal or inclined passage arrangement
Patent
1987-07-16
1989-02-07
Steinberger, Brian S.
Communications: electrical
Wellbore telemetering or control
In horizontal or inclined passage arrangement
340857, 367 81, G01V 142
Patent
active
048034835
ABSTRACT:
An apparatus and method for monitoring the temperature and pressure in a well bore is used in connection with a submersible pump disposed in the well bore and electrically energized by a power conductor suspended in the well bore. A plurality of resistors and a plurality of pressure sensitive switches are disposed in the well bore along with a temperature sensitive circuit element. A constant current source at the surface provides a dc sensing signal that is superimposed on the power cable. A single voltage reading taken at the surface provides a measure of both temperature and pressure in the well bore.
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Boyd Clinton A.
Vandervier Joseph E.
Bradley James E.
Hughes Tool Company
Steinberger Brian S.
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