Non-phosphorus-based gellants for hydrocarbon fluids

Details Non-phosphorus-based gellants for hydrocarbon fluids Non-phosphorus-based gellants for hydrocarbon fluids

2011-04-26

2011-04-26

Kugel, Timothy J. (Department: 1763)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S241000, C507S265000, C166S308400

Reexamination Certificate

active

07932216

ABSTRACT:
A substantially liquid gellant formed as one or more reaction products of a metal carboxylate or metal carboxylate amine salt, one or more organic acids, an ester which drives the reaction so that the reaction products are asymmetrical in structure, and a rheology modifier which preferentially interacts between the reaction products for prevent solidifying of the gellant reaction products until such time as the gellant is mixed with the fracturing fluid containing an activator after which the reaction products preferentially interact with the activator to gel the fracturing fluid. The resulting gellant is capable of gelling a hydrocarbon base fluid in less than about 30 seconds.

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