Additive composition for release of stuck drill pipe

Details Additive composition for release of stuck drill pipe Additive composition for release of stuck drill pipe

1981-07-29

1984-03-13

Guynn, Herbert B.

Compositions

Leather or fur treating

166301, 568622, E21B 2300

Patent

active

044366388

ABSTRACT:
An additive composition effective in the release of stuck pipe in a borehole during a drilling operation which composition contains propoxylated C.sub.18 -C.sub.32 alkanols, an oil-soluble emulsifier-wetting agent and a liquid hydrocarbon diluent.

REFERENCES:
patent: 2448664 (1948-09-01), Fife et al.
patent: 2689219 (1954-09-01), Menaul
patent: 3047494 (1962-07-01), Browning
patent: 3126970 (1964-03-01), Rygg
patent: 3217802 (1965-11-01), Reddie et al.
patent: 3223622 (1965-12-01), Lummus et al.
patent: 3275551 (1966-09-01), Annis
patent: 4083974 (1978-04-01), Turi
patent: 4230587 (1980-10-01), Walker
Helmick et al., "Pressure-Differential Sticking of Drill Pipe," Article in The Oil and Gas Journal, vol. 55, Jun. 17, 1957, pp. 132-136.
Gaylord, Polyethers, Part I, Interscience Publishers, New York, p. 222, 1963.

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