METHOD OF PREPARING INHIBITED HYDROCHLORIC ACID

oil and gas production. SUBSTANCE: inhibited hydrochloric acid used for treatment of bottom zones in oil and water-injection wells is prepared by dilution thereof with water followed by addition of nitrogen-containing component, in particular higher aliphatic amines having 10 to 18 carbon atoms. EFF...

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Bibliographische Detailangaben
Hauptverfasser:	TARASOV S.G, TISHANKINA I.V, FROLOVA M.A, PRUDOVSKIJ M.A, PANTELEEVA A.R, LEZHENIN V.V, MUKHAMETZJANOVA EH.KH, TISHANKINA R.F
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
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Beschreibung
Zusammenfassung:	oil and gas production. SUBSTANCE: inhibited hydrochloric acid used for treatment of bottom zones in oil and water-injection wells is prepared by dilution thereof with water followed by addition of nitrogen-containing component, in particular higher aliphatic amines having 10 to 18 carbon atoms. EFFECT: simplified preparation procedure. 1 tbl