Communications: electrical – Wellbore telemetering or control – In horizontal or inclined passage arrangement
Patent
1982-05-10
1986-04-08
Cangialosi, Salvatore
Communications: electrical
Wellbore telemetering or control
In horizontal or inclined passage arrangement
166 53, G01D 312
Patent
active
045816131
ABSTRACT:
A submersible well pump has a system for monitoring the pressure and temperature in the vicinity of the motor. The system includes a downhole assembly in the well that has a transmitter for generating a signal and superimposing the signal onto the power cable. Transducers in the downhole assembly sense physical parameters such as pressure and temperature and provide electrical responses corresponding to the physical parameters. The transducers are connected to a modulator which modulates the signal provided by the transmitter according to the electrical response of the transducers. The modulated carrier signal is converted at the surface into a readout signal proportional to the physical parameters.
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Tomashek James R.
Ward Donald H.
Bradley James E.
Cangialosi Salvatore
Felsman Robert A.
Hughes Tool Company
Kaiser K. R.
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