Synthetic paraffinic hydrocarbon drilling fluid

Details Synthetic paraffinic hydrocarbon drilling fluid Synthetic paraffinic hydrocarbon drilling fluid

1995-02-16

1996-10-29

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507905, C09K 702

Patent

active

055696422

ABSTRACT:
An environmentally friendly invert drilling fluid comprises a water-in-oil emulsion which includes (a) at least 50 volume percent of a low toxicity base oil, and (b) at least one additive selected from the group consisting of emulsifiers, viscosifiers, weighing agents, oil wetting agents and fluid loss preventing agents, at least about 25 weight percent of the base oil content of the drilling fluid being a mixture of a linear alkane combined with a branched chain alkane, the alkanes individually having from about 14 to about 30 carbon atoms.

REFERENCES:
patent: 4787990 (1988-11-01), Boyd
patent: 4876017 (1989-10-01), Trahan et al.
patent: 5096883 (1992-03-01), Mercer et al.
patent: 5189012 (1993-02-01), Patel et al.
patent: 5333698 (1994-08-01), Van Slyke
patent: 5498596 (1996-03-01), Ashjian et al.

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