VDA/ACID SYSTEM FOR MATRIX ACID STIMULATION

A method of preventing phase separation of a viscoelastic surfactant fluid due to ferric ions during matrix acidizing is described which involves including citric acid and acetic acid in the surfactant/acid fluid formulation.

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Bibliographische Detailangaben
Hauptverfasser:	AL-TAQ ALI A, NAKHLI AYMAN R, HAJI HABEEB H, SALEEM JAFFAR A
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A method of preventing phase separation of a viscoelastic surfactant fluid due to ferric ions during matrix acidizing is described which involves including citric acid and acetic acid in the surfactant/acid fluid formulation.