Invert biodegradable n-alkane(s) wellbore fluid containing less

Details Invert biodegradable n-alkane(s) wellbore fluid containing less Invert biodegradable n-alkane(s) wellbore fluid containing less

1997-03-17

1998-12-08

Higel, Floyd D.

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507905, 507910, 252 85P, 252 855R, 252 35P, 175 65, 175 66, 175 69, 175 70, C09K 702, C09K 706, B21B 2100

Patent

active

058469133

ABSTRACT:
The invention concerns wellbore fluids suitable for use in the oil and gas exploration and production industries and embraces fluids used for drilling, completion, workover or packing of wellbores. The invention is especially concerned with biodegradable wellbore fluids the liquid phase of which consists of an oil, or of water-in-oil "invert" emulsions, where the oil phase comprises n-alkanes.

REFERENCES:
patent: H1000 (1991-12-01), Patel et al.
patent: 4012329 (1977-03-01), Hayes et al.
patent: 4508628 (1985-04-01), Walker 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: 5432152 (1995-07-01), Dawson et al.

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