Drilling fluid composition

Details Drilling fluid composition Drilling fluid composition

1980-06-10

1982-03-30

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85C, C09K 702

Patent

active

043223010

ABSTRACT:
A water-based drilling fluid composition is described which comprises an aqueous dispersion of a clay material containing, in the presence of a phosphate or a particular metal or both, an effective dispersing amount of a lignosulfonate modified by graft polymerization with acrylic acid.

REFERENCES:
patent: 2334051 (1943-11-01), Wayne
patent: 2414647 (1947-01-01), Hoeppel
patent: 2552775 (1951-05-01), Fischer
patent: 2605221 (1952-07-01), Hoeppel
patent: 2935473 (1960-05-01), King et al.
patent: 3985659 (1976-10-01), Felicetta et al.
Types of Drilling Mud, Section 300 of Baroid Drilling Mud Data Book, pub. by Baroid Division of National Lead Company.
Chemical Treatment of Drilling Mud, Section 600 of Baroid Drilling Mud Data Book, by Baroid Division of National Lead Company.
Chaney et al., "The Chemical Treatment of Drilling Fluids", publication by Magnet Cove Barium Corp. of Houston, Texas.

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