Driving device for displacing an element in a conduit filled wit

Details Driving device for displacing an element in a conduit filled wit Driving device for displacing an element in a conduit filled wit

1980-12-19

1983-03-29

Novosad, Stephen J.

Wells

Processes

Placing or shifting well part

166 65R, 166113, 166187, 166387, E21B 2308, E21B 33127, E21B 4706

Patent

active

043780512

ABSTRACT:
The device, which is connected to an element to be displaced, comprises a tubular body surrounded by sleeves which are inflated to a diameter slightly smaller than the diameter of the conduit. A motor-pump assembly located in the tubular body provides for the circulation of the fluid through the body so as to cause propulsion of the device within the conduit. Sensors may control automatic operation of the device and inflation of the sleeves to the selected diameter.

REFERENCES:
patent: 2828823 (1955-07-01), Mounce
patent: 2859828 (1958-11-01), Williams
patent: 3066739 (1962-12-01), Saurenman
patent: 3083774 (1963-04-01), Peters et al.
patent: 3158200 (1964-11-01), Malone
patent: 3209835 (1965-10-01), Bourne, Jr. et al.
patent: 3321184 (1967-05-01), Goss
patent: 3401749 (1968-09-01), Daniel
patent: 3692108 (1972-09-01), Soulie
patent: 4113236 (1978-09-01), Neinast

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