Sulfonated gilsonite drilling mud additive

Details Sulfonated gilsonite drilling mud additive Sulfonated gilsonite drilling mud additive

1981-08-10

1983-05-31

Guynn, Herbert B.

Compositions

Leather or fur treating

175 72, C09K 702

Patent

active

043859992

ABSTRACT:
A sulfonated gilsonite used in a drilling mud for drilling a well wherein the sulfonated gilsonite is prepared by reacting at a temperature between 210.degree.-280.degree. F. with a mixture of water, gilsonite having a softening point of at least 300.degree. F., lignite, sulfonating compound and water soluble based compound for a period of time to sulfonate the gilsonite.

REFERENCES:
patent: 2650197 (1953-08-01), Rahn
patent: 3028333 (1962-04-01), Stratton et al.
patent: 3039958 (1962-06-01), Monroe
patent: 3089842 (1963-05-01), Stratton
patent: 3700728 (1972-10-01), Moschopedis et al.

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