Peristaltic down-hole drilling motor

Details Peristaltic down-hole drilling motor Peristaltic down-hole drilling motor

1984-08-17

1986-03-18

Jillions, John M.

Boring or penetrating the earth

With below-ground tool drive prime mover

Fluid rotary type

175323, 417477, E21B 312, F04B 4308

Patent

active

045762422

ABSTRACT:
A peristaltic down-hole drilling motor comprises a series of breathing working chambers that are formed between a membrane and a tubular section of the stator of the motor.
The rotor comprises a plurality of rollers that are rotatably supported in grooves of a carrier body such that the rollers press the membrane at selected intervals against said tubular section.
The working chambers are designed such that during operation of the motor the rollers are actuated to ride upon the membrane in front of the expanding portions of the chambers, thereby rotating the rotor relative to the stator.

REFERENCES:
patent: 3039442 (1962-06-01), Hornschuch
patent: 3304838 (1967-02-01), McDonald
patent: 3732042 (1973-05-01), Buchholz
patent: 3749531 (1973-07-01), Walker et al.
patent: 4105377 (1978-08-01), Mayall

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