Reducer coupling and positioner tool for the coupling

Pipe joints or couplings – Convertible

Patent

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Details

285 39, 285177, 403343, 403299, 166 775, F16L 5500

Patent

active

046591150

ABSTRACT:
The invention disclosed herein includes a reducer coupling, a positioner tool for connecting the coupling to a conduit section, and a nut for securing the positioner tool to the coupling. The reducer coupling is useful in various operations, such as some oil field operations in which it is used to connect a smaller conduit (delivery line) into a larger conduit (production casing). In practice, the positioner tool is secured to the reducer coupling and the coupling is moved into its hook-up position above the production casing, by attaching a rig to the positioner tool. The coupling can then be threaded into the casing by turning the positioner tool with a wrench, or similar tool.

REFERENCES:
patent: 123914 (1872-02-01), Kenyon et al.
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patent: 1326629 (1919-12-01), Wolfe
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patent: 2702201 (1955-02-01), Romanelli et al.
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patent: 3433505 (1969-03-01), Weatherhead
patent: 3680896 (1972-08-01), Cupit
patent: 3888318 (1975-06-01), Brown
patent: 4316316 (1982-02-01), Kappehagen
patent: 4405158 (1983-09-01), Huberman
Composite Catalog, published by World Oil, 1962-1963, pp. 323 and 324.

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