Chemically inert resin coated proppant system for control of pro

Details Chemically inert resin coated proppant system for control of pro Chemically inert resin coated proppant system for control of pro

1995-04-10

1997-02-18

Springer, David B.

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

507924, 507923, 507922, 166300, E21B 43267

Patent

active

056041845

ABSTRACT:
Disclosed is an improvement in a method for propping a fracture adjacent a wellbore formed by injecting in said fracture a carrier fluid containing proppant coated with a curable resin which improvement comprises:
a) using proppant coated with a resin fluid containing a polymerizable oligomer of furfuryl alcohol resin, a catalyst comprising an oil soluble, slightly water soluble organic acid and an ester of a weak organic acid to consume water produced by the polymerization of resin;
b) using as a carrier an aqueous saline fluid comprising water which is 70% to 100% saturated with sodium chloride,
c) suspending said resin-coated proppant in the carrier fluid, forming a fluid mixture of resin-coated proppant and carrier fluid; and injecting said mixture into said fracture, wherein the timing of the addition of the catalyst can be varied.

REFERENCES:
patent: 4169818 (1979-10-01), DeMartino et al.
patent: 5439059 (1995-08-01), Harris et al.

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