SINGLE-PHASE RETARDED ACID BASED ON AN AMPHOTERIC SURFACTANT

Compositions for matrix acidizing and fracture acidizing contain water, an acid, and an acid retarding agent that includes an alkyl sulfobetaine. The composition may be prepared and injected into a wellbore penetrating a subterranean formation. Compositions pour l'acidification des matrices et...

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Bibliographische Detailangaben
Hauptverfasser:	DANICAN, Samuel, ZHAO, Haiyan, ABIVIN, Patrice
Format:	Patent
Sprache:	eng ; fre
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:	Compositions for matrix acidizing and fracture acidizing contain water, an acid, and an acid retarding agent that includes an alkyl sulfobetaine. The composition may be prepared and injected into a wellbore penetrating a subterranean formation. Compositions pour l'acidification des matrices et des fractures contenant de l'eau, un acide et un agent retardateur d'acide comprenant une sulfobétaine d'alkyle. La composition peut être préparée et injectée dans un puits de forage pénétrant dans une formation souterraine.