Balanced-activity improved inverse emulsion to inhibit brittle l

Details Balanced-activity improved inverse emulsion to inhibit brittle l Balanced-activity improved inverse emulsion to inhibit brittle l

1982-05-17

1984-10-02

Nucker, Christine M.

Compositions

Leather or fur treating

166274, 166275, 252 85M, 252 855R, E21B 4322, C09K 706

Patent

active

044746660

ABSTRACT:
An improved inverse emulsion for use as a drilling fluid that inhibits brittle lutite hydration. The emulsion includes a heavy oil; brine; a viscosity agent with thermostabilizing properties; an emulsifying agent; a thickening agent; a gelatinizing additive; and an alkaline earth metal hydroxide. The emulsion avoids hole collapsing and improves well gage stability.

REFERENCES:
patent: 3811504 (1974-05-01), Flournoy et al.
patent: 3827497 (1974-08-01), Dycus et al.
patent: 3852201 (1974-12-01), Jackson
patent: 4306980 (1981-12-01), Brandt et al.
patent: 4381241 (1983-04-01), Romenesko et al.

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