Oil well drilling fluids, oil well drilling fluid anti-settling

Details Oil well drilling fluids, oil well drilling fluid anti-settling Oil well drilling fluids, oil well drilling fluid anti-settling

1995-05-15

1998-01-20

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507136, 507138, 507139, C09K 700, C09K 702

Patent

active

057101108

ABSTRACT:
An improved drilling fluid with enhanced anti-settling properties useful for all types of drilling systems is described. The invention includes a process for providing anti-settling properties to both oil and invert oil (i.e., water in oil emulsion) based fluids as well as the additive itself. The drilling fluid drilling mud invention contains at least one reaction product of which the reactants comprise an alkoxylated aliphatic amino compound and an organic polycarboxylic anhydride or acid and a rheologically active clay-based material.

REFERENCES:
patent: 4434075 (1984-02-01), Madris et al.
patent: 4434076 (1984-02-01), Madris et al.
patent: 4658036 (1987-04-01), Schilling
patent: 4776966 (1988-10-01), Baker
patent: 5034444 (1991-07-01), Yun et al.
patent: 5254531 (1993-10-01), Mueller et al.
patent: 5260268 (1993-11-01), Forsberg et al.
patent: 5330662 (1994-07-01), Jahnke et al.

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