Well drilling and production fluids employing parenchymal cell c

Details Well drilling and production fluids employing parenchymal cell c Well drilling and production fluids employing parenchymal cell c

1983-07-06

1986-12-16

Lechert, Jr., Stephen J.

Compositions

Leather or fur treating

252 8553, 252 8554, 252 8514, 252 851, 252 8512, 536 56, 536114, 536128, 1061631, 127 37, 162 99, 166271, 166275, 1663051, 166307, 166308, 175 65, 175 72, C09K 702, C09K 300, C08L 100

Patent

active

046295755

ABSTRACT:
Circulating and non-circulating well-drilling fluids are provided comprising parenchymal cell cellulose. In accordance with a preferred embodiment, improved viscosity and fluid loss control in circulating well-drilling fluids are obtained from the inclusion of parenchymal cell cellulose in such fluids. In accordance with another preferred embodiment, certain polymers, especially anionic polymers, and polymers derived from hemicellulosic materials are admixed with parenchymal cell cellulsoe in well fluids to provide synergistic fluid loss control and other beneficial properties. Methods for the employment of circulating and non-circulating well fluids employing parenchymal cell cellulose are also disclosed.

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