Method of and additive for controlling fluid loss from a drillin

Details Method of and additive for controlling fluid loss from a drillin Method of and additive for controlling fluid loss from a drillin

1998-08-27

2000-08-22

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507119, 507121, 507122, 507123, 507125, 523130, 166295, C09K 702, C09K 700, E21B 3313

Patent

active

061072567

ABSTRACT:
This invention provides a composition for and a method of using the composition to reduce the loss of liquid from aqueous compositions employed while rotary drilling. The composition of this invention comprises a polymeric material selected from homopolymers, random copolymers and random terpolymers, each of which includes a vinylamide morpholine derivative in the recipe for making the polymeric material.

REFERENCES:
patent: 4293427 (1981-10-01), Lucas
patent: 4547299 (1985-10-01), Lucas
patent: 4555558 (1985-11-01), Giddings
patent: 4782120 (1988-11-01), Rousset
patent: 5032295 (1991-07-01), Matz
patent: 5099930 (1992-03-01), Enrigtht
patent: 5600044 (1997-02-01), Colle et al.
patent: 5855244 (1999-01-01), Ahmed et al.
patent: 5988279 (1999-11-01), Udarbe et al.

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