Apparatus for positioning well tools in deviated well bores

Details Apparatus for positioning well tools in deviated well bores Apparatus for positioning well tools in deviated well bores

1987-05-01

1988-09-20

Massie, IV, Jerome

Wells

Guide for device or conduit

On sucker or pump rod

166250, 175 50, 175323, E21B 4700

Patent

active

047718307

ABSTRACT:
In the representative embodiment of the invention disclosed herein, new and improved tool-orienting apparatus is adapted to be secured on a well tool that is to be moved through a highly-deviated well bore. To assure that the well tool will remain in a selected angular orientation as it is moved in a well bore, the orienting apparatus includes a pair of oppositely-directed generally-helical guide rails that are respectively terminated in lateral projections that are eccentrically located on one side of the orienting apparatus so that the unbalanced weight of a well tool carrying the orienting apparatus will cause the tool to roll over into a selected angular orientation when the tool is being moved through a deviated well bore interval with the lateral projections riding on the lower wall of the well bore interval.

REFERENCES:
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patent: 3747701 (1973-07-01), Atkins et al.
patent: 3858651 (1975-01-01), Wolk
patent: 4022281 (1977-05-01), Pennock
patent: 4209891 (1980-07-01), Lamb et al.
patent: 4375237 (1983-03-01), Churchman
patent: 4415030 (1983-11-01), Walkow et al.
patent: 4438810 (1984-03-01), Wilkinson
patent: 4570709 (1986-02-01), Wittrisch
patent: 4697638 (1987-10-01), Knight

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