Drilling fluids and muds containing selected ester oils

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component

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C09K 702, C09K 706

Patent

active

052525546

ABSTRACT:
Invert emulsion muds for drilling of gas and oil, which are environmentally safe, and which contain:

REFERENCES:
patent: 3979305 (1976-09-01), Fischer et al.
patent: 4374737 (1983-02-01), Larson et al.
patent: 4436636 (1984-03-01), Carnicom
patent: 4481121 (1984-11-01), Barthel
"New Base Oil Used In Low-Toxicity Oil Muds" Journal of Petroleum Technology, 1985, P. A. Boyd et al., pp. 137-142.
New Drilling Fluid Technology-Mineral Oil Mud, 1974, R. B. Bennet, pp. 975-981.
Parrish, P. R. "Variability of the Acute Toxicity of Drilling Fluids to Mysids" EPA Report No. EPA/600/D-88/212, 1988.

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