Wells – Processes – Placing fluid into the formation
Patent
1985-08-06
1986-12-09
Novosad, Stephen J.
Wells
Processes
Placing fluid into the formation
166280, 252 8551, E21B 43267
Patent
active
RE0323020
ABSTRACT:
A method of fracturing a subterranean formation with a stabilized foamed fracturing fluid comprising from about 50 percent to in excess of about 96 percent by volume of carbon dioxide with the remainder comprising an aqueous liquid and a selected surfactant. The foam is formed in situ by injection of a stabilized liquid-liquid emulsion containing liquid carbon dioxide into a well bore penetrating the formation. The temperature and pressure of the emulsion is controlled to maintain the carbon dioxide in the liquid phase during injection into the well bore. Thereafter, the carbon dioxide is heated by the subterranean formation to a temperature above about 88.degree. F. at which time the stabilized emulsion spontaneously forms a high quality stabilized foam.
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Halliburton Company Invoice Nos. 033340;033344;116114;186539;613751;618150;714098;715976;715986;716410;8200 54;820068;820397;820672;959937;900908;048069;069981;070030;194307;490871;73 1653;820065;822186;860145;909865;586274;956229;961361;994305;068480;085629; 183219;715983;924621.
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Transcript of Deposition of Charles L. Smith, Agent for B. J.-Titan, taken on May 8, 1985.
Transcript of Lance taken on Mar. 25, 1985.
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Transcript of Lawrence John Harrington taken on Jul. 1, 1985.
Almond Stephen W.
Harris Phillip C.
Halliburton Company
Kent Robert A.
Novosad Stephen J.
Weaver Thomas R.
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