Drilling fluid additives

Details Drilling fluid additives Drilling fluid additives

1978-05-19

1980-06-24

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85B, C09K 702

Patent

active

042094097

ABSTRACT:
The addition of magnesium oxide to a drilling fluid additive comprising bentonite and ferrochrome lignosulfonate, the drilling fluid additive having a pH of about 9.5 to 12, increases the usefulness of such a drilling fluid additive and increases considerably the yield point of the drilling fluid containing this drilling fluid additive.

REFERENCES:
patent: 1943584 (1934-01-01), Cross
patent: 2727001 (1955-12-01), Rowe
patent: 3146199 (1964-08-01), Salathiel
patent: 3185642 (1965-05-01), Sawyer et al.
patent: 3220947 (1965-11-01), Sawyer
patent: 3360461 (1967-12-01), Anderson et al.
patent: 3471402 (1969-10-01), Shannon et al.
patent: 3691070 (1972-09-01), Pippen
Mondshine et al., "A New Salt Mud from Q-Broxin/Aquagel", article in Baroid News Bulletin, vol. 15, No. 3, pp. 10-17, (Pub. by Baroid Division of National Lead Co., Houston, Texas).

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