METHOD OF PREVENTING PRECIPITATION OF FERROUS SULFIDE AND SULFUR DURING ACIDIZING

An improved method of acidizing sour gas wells involving the injection of an aqueous acidizing solution comprising: water, an acid, an effective amount of an iron complexing agent (e. g., EDTA) capable of stabilizing the ferrous, Fe(II), ion in solution in the presence of H2S and an effective amount...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CROWE, CURTIS W
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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