Device for pumping oil

Details Device for pumping oil Device for pumping oil

1985-06-12

1986-11-18

Croyle, Carlton R.

Pumps

Motor driven

Axial thrust balancing means for rotary pump and motor

417424, 418197, 418203, F04B 2100, F04B 1700, F04C 218

Patent

active

046233059

ABSTRACT:
A device preferably utilized for pumping oil or other fluid from a drill hole in the ground, said device including a pump lowered into the hole and coupled to a drive motor situated under it. The pump comprises a hydraulic screw pump including a housing in which there is mounted a screw array in the form of a drive screw provided with a shaft coupled to the drive motor, and at least one running screw meshing with the drive screw. The rotational direction of the drive motor is such that the screw array pumps the liquid from an inlet, made radially in the housing and in communication with the liquid in the drill hole, to an outlet arranged at the end of the screw array remote from said shaft.

REFERENCES:
patent: 1593820 (1926-07-01), Gates
patent: 2095167 (1937-10-01), Burghauser
patent: 2286365 (1942-06-01), Lane
patent: 2455022 (1948-11-01), Schmidt
patent: 2590561 (1952-03-01), Montelius
patent: 2592476 (1952-04-01), Sennet
patent: 2737119 (1956-03-01), Hill
patent: 3391643 (1968-07-01), Zalis
patent: 4028025 (1977-06-01), Lonnebring
patent: 4131400 (1978-12-01), Segerstrom
patent: 4242067 (1980-12-01), Segerstrom
patent: 4547135 (1985-10-01), Noel et al.

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