Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1994-12-27
1997-04-15
Gibson, Sharon
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507925, 507214, 507906, 507225, C09K 700
Patent
active
056209479
ABSTRACT:
A water-based well completion and workover fluid is disclosed which has improved rheological and filtration control properties at temperatures up to about 450.degree. F. The composition comprises a saturated brine solution, a sized-salt that is insoluble in the saturated brine solution, and a water-soluble filtration additive comprising a polymer produced from at least two monomers selected from the group consisting of 2-acrylamido-2-methylpropanesulfonate, acrylamide, and 2-vinylpyrrolidone.
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Unique Completion Fluid Suits Horizontal Wells, by Jay Dobson and T. C. Mondshine, Petroleum Engineer International, Sep., 1990.
Cellulon Fiber Specification, Copyright 1990 by Weyerhaeuser Company.
Rheological Characteristics of Reticulated Bacterial Cellulose as a Perfomance Additive to Fracturing and Drilling Fluids, by J. A. Westland and D. A. Lenk, Society of Petroleum Engineers, SPE 25204. 1993.
New Polymer Improves Water-Soluble Completion Fluids, by T. C. Mondshine, Petroleum Engineer International, Feb. 1989.
Exxon Production Research Company
Fee Valerie
Gibson Sharon
Lawson Gary D.
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