Method of Enhancing Foam Stability for Stimulation of Low Pressure Reservoirs

The stability of foams containing a viscoelastic surfactant of an amine or amidoamine oxide and exhibiting thermal resistance at bottomhole temperatures greater than 300° F. may be enhanced by including in the foam a microemulsion containing a nonionic surfactant and a terpene.

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Bibliographische Detailangaben
Hauptverfasser:	Mayor, John H, Berard, Kelly Guilbeau, Usie, Marty J
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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Beschreibung
Zusammenfassung:	The stability of foams containing a viscoelastic surfactant of an amine or amidoamine oxide and exhibiting thermal resistance at bottomhole temperatures greater than 300° F. may be enhanced by including in the foam a microemulsion containing a nonionic surfactant and a terpene.