Wells – Guide for device or conduit – On sucker or pump rod
Patent
1981-02-09
1983-11-15
Novosad, Stephen J.
Wells
Guide for device or conduit
On sucker or pump rod
166 65R, E21B 1710, E21B 3100, E21B 4700
Patent
active
044150300
ABSTRACT:
Apparatus is provided for assisting a subsurface well logging instrument, perforating tool or wireline service tool in tubing or casing re-entry in deviated boreholes. The apparatus includes a body member, composed of two conjugated halves, rotatably mounted on the well logging cable immediately above the well logging instrument. A pair of wheels are rotatably mounted to the uphole facing portion of the apparatus. These wheel members provide a lifting action upon tubing or casing contact to thereby lift the logging cable off the casing and prevent the logging instrument from engaging in jammed contact with the exposed end of the tubing or casing.
REFERENCES:
patent: 1662429 (1928-03-01), Lowy
patent: 2398324 (1946-04-01), Pontecorvo
patent: 2612546 (1952-09-01), Romsos
patent: 3022822 (1962-02-01), McStravick et al.
patent: 3603264 (1971-09-01), Arx
patent: 3817336 (1974-06-01), Sears
patent: 4243099 (1981-01-01), Rodgers, Jr.
Linyaev Eugene J.
Walkow Arnold M.
Byron Richard M.
Dresser Industries Inc.
Falk Joseph
McCollum Patrick H.
Novosad Stephen J.
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