Thickening of heavy brine solutions

Thickening of heavy brine solutions based on calcium halides by use of carboxymethyl hydroxyethyl cellulose is disclosed wherein the carboxymethyl substitution level is about 0.05 to 0.35.

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Description
Patent History
Patent number: T104402
Type: Grant
Filed: Dec 20, 1982
Date of Patent: Jul 3, 1984
Inventor: Thomas G. Majewicz (Chadds Ford, PA)
Application Number: 6/451,522
Classifications
Current U.S. Class: 252/855R; Hydroxyalkyl Containing (536/91)
International Classification: C09K 300;