Drilling fluids comprising biodegradable heteropolyglycols

Details Drilling fluids comprising biodegradable heteropolyglycols Drilling fluids comprising biodegradable heteropolyglycols

1998-05-07

2000-04-25

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507261, 507925, 507905, 507110, 507111, 507112, 507113, 507114, 507115, C09K 702

Patent

active

060544163

ABSTRACT:
A fluid selected form the group consisting of a drilling, a drill-in, and a completion fluid, said fluid comprising a substantially linear heteropolyglycol in an amount effective to perform a function selected from the group consisting of polymer stabilization, shale stabilization, and a combination thereof. The fluid preferably comprises water as a continuous phase, and the heteropolyglycol preferably consists essentially of monomers selected from the group consisting of ethylene oxide and linear alpha-omega alkylene diols.

REFERENCES:
patent: 3639233 (1972-02-01), Schultz et al.
patent: 4830765 (1989-05-01), Perricone et al.
patent: 5057234 (1991-10-01), Bland et al.
patent: 5229017 (1993-07-01), Nimerick et al.
patent: 5622921 (1997-04-01), Dyer
patent: 5783526 (1998-07-01), Dobson, Jr. et al.

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