Use of selected ester oils in drilling fluids and muds

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

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C09K 702

Patent

active

052329100

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: 4362635 (1982-12-01), Dhein
patent: 4374737 (1983-02-01), Larson et al.
patent: 4436636 (1984-03-01), Carnicom
patent: 4481121 (1984-11-01), Barthel
patent: 4631136 (1986-12-01), Jones, III
Parrish et al. "Variability of the Acute Toxicity of Drilling Fluids to Mysids `Mysidopsis bahia`" EPA Report No. EPA/600/D-88/212, 1988.
"New Base Oil Used in Low-Toxicity Oil Muds" P. A. Boyd et al., Journal of Petroleum Technology, 1985.
"New Drilling Fluid Technology-Mineral Oil Mud", R. B. Bennett, Journal of Petroleum Technology, 1984.

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