Electrically driven submersible pump system

Details Electrically driven submersible pump system Electrically driven submersible pump system

1984-07-09

1985-02-19

Gluck, Richard E.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

417367, 417422, 310 87, 310 71, F04B 3906

Patent

active

045002630

ABSTRACT:
An electrically powered submersible pump system has a pipe stack in which a dielectric oil is circulated within tubular electric power supply conductors, for which the oil provides insulation, down to the pump head to cool and lubricate the motor bearings. The oil is returned between the conductors and a surrounding cofferdam pipe. The liquid being pumped is guided in a duct between the cofferdam pipe and an outer load bearing pipe. The pipe stack is divisible into sections of convenient length, the conductors, the cofferdam pipe, and the outer pipe having releasable connector means at each end of each pipe stack section.

REFERENCES:
patent: 2000716 (1935-05-01), Polk
patent: 2423436 (1947-07-01), Blom
patent: 2506827 (1950-05-01), Goodner
patent: 2742597 (1956-04-01), Penlington
patent: 2857181 (1958-10-01), Myers
patent: 3170137 (1965-02-01), Brandt
patent: 3217282 (1965-11-01), Chevalier
patent: 4126406 (1978-11-01), Traylor

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