Drilling mud additives and in adding viscosification additives t

Details Drilling mud additives and in adding viscosification additives t Drilling mud additives and in adding viscosification additives t

1993-03-11

1999-05-25

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507117, 507135, C09K 706

Patent

active

059069660

ABSTRACT:
The present invention is based on the discovery that viscosification agents selected from sulfonated and neutralized sulfonated ionomers can be readily incorporated into oil-based drilling muds in the form of an oil soluble concentrate containing the polymer. Thus, one embodiment of the present invention provides an additive concentrate for oil-based drilling muds comprising a drilling oil, especially a low toxicity oil, and from about 5 gm to about 20 gm of sulfonated or neutralized sulfonated polymer per 100 gm of oil. Indeed, oil solutions obtained from the sulfonated and neutralized sulfonated polymers used as viscosification agents are readily incorporated into drilling mud formulations.

REFERENCES:
patent: 4442011 (1984-04-01), Thaler et al.
patent: 4447338 (1984-05-01), Lundberg et al.

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