Well drilling fluids and methods

Details Well drilling fluids and methods Well drilling fluids and methods

1993-03-26

1995-01-10

Geist, Gary

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C09K 702

Patent

active

053807065

ABSTRACT:
Improved well drilling fluids and methods which prevent damage to water sensitive formations while drilling are provided. The drilling fluids include a formation stabilizing compound which contains an organic quaternary ammonium cation and an inorganic, organic or combination anion.

REFERENCES:
patent: 2861042 (1958-11-01), Watkins
patent: 2930755 (1960-03-01), Crittendon
patent: 4526693 (1985-07-01), Son et al.
patent: 4842073 (1989-06-01), Himes et al.
patent: 4974678 (1990-12-01), Himes et al.
patent: 4977962 (1990-12-01), Himes et al.
patent: 5097904 (1992-03-01), Himes et al.

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