Well treating fluids and additives therefor

Details Well treating fluids and additives therefor Well treating fluids and additives therefor

1988-12-05

1991-07-16

Maples, John S.

Compositions

Leather or fur treating

252 8552, 252 8554, 252 851, 252 8511, 252 8512, 523130, C09K 702, E21B 3314

Patent

active

050322966

ABSTRACT:
An additive for reducing the water loss and improving other properties of well treating fluids in high temperature subterranean environments and well treating fluids including the additive are provided. The additive comprises a mixture of a water soluble polymer and an organic compound, the water soluble polymer being comprised of N-vinyl lactam monomers, or vinyl-containing sulfonate monomers, or both. The organic compound can be selected from lignites, tannins, asphaltic materials, derivatives thereof and mixtures of such dispersants.

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`The Illustrated Petroleum Reference Dictionary`, Second Edition, edited by Robert D. Layenkamp, p. 208.

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