Wells – Processes – Placing fluid into the formation
Patent
1984-11-19
1986-10-07
Novosad, Stephen J.
Wells
Processes
Placing fluid into the formation
252 8551, E21B 4326, E21B 43267
Patent
active
046153934
ABSTRACT:
A process for fracturing a subterranean formation surrounding a gas or oil well which comprises injecting into said subterranean formation under hydraulic pressure a fluid comprising about 0.01 to about 25 weight percent of a water insoluble polymer complex dissolved in a solvent system of a nonpolar organic liquid, said polymer complex comprising the interaction product of a metal neutralized sulfonated polymer and an amine containing polymer, wherein the sulfonate content of the sulfonated polymer is about 4 meq. per 100 gram of polymer to about 200 meq. per 100 gram of polymer and the basic nitrogen content of the amine containing polymer is about 4 meq. per 100 gram of polymer to about 500 meq. per 100 gram of polymer.
REFERENCES:
patent: 3046222 (1962-07-01), Phansalkar et al.
patent: 4005753 (1977-02-01), Scheffel et al.
patent: 4425463 (1984-01-01), Walker et al.
Lundberg Robert D.
Newlove John C.
Peiffer Dennis G.
Sedillo Lawrence P.
Exxon Research and Engineering Co.
Nanfeldt Richard E.
Novosad Stephen J.
Odar Thomas J.
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