Fluid loss additives for oil base muds and low fluid loss compos

Details Fluid loss additives for oil base muds and low fluid loss compos Fluid loss additives for oil base muds and low fluid loss compos

1984-10-17

1987-12-01

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6988

Patent

active

047105860

ABSTRACT:
A novel ammonium salt of quebracho prepared by reacting quebracho with alkyl quaternary ammonium salts is an effective fluid loss control agent when used in oil base drilling fluids for use in drilling oil and gas wells, especially in water in oil emulsion drilling mud formulations, controlling filtrate loss of the oil-base mud under high temperature and high pressure conditions.

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Teslenku, V. N. et al, Pr. Vyzk. Ustavu Geol. Inz., 35(2B), 416-26.

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