METHOD FOR RESTRICTION OF WATER INFLOW IN GAS AND GAS-CONDENSATE WELLS

Method for restriction of water inflow in gas and has-condensate wells includes sequential pumping in water solution of SAS with concentration 0.5 û 10 % at pressure not exceeding the pressure of pressing the operational string, and suspension of powder-like water-dissoluble polymer in fluid form of...

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Hauptverfasser:	RUDYI MYROSLAV IVANOVYCH, SADOV ANATOLII MYKHAILOVYCH, MANIUK SEMEN VASYLIOVYCH, PATRA VOLODYMYR DANYLOVYCH, HRUSHKO YEVHEN AVHUSTYNOVYCH, MACHUZHAK MYKHAILO IVANOVYCH, AKULSHYN OLEKSANDR OLEKSIIOVYCH
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:	Method for restriction of water inflow in gas and has-condensate wells includes sequential pumping in water solution of SAS with concentration 0.5 û 10 % at pressure not exceeding the pressure of pressing the operational string, and suspension of powder-like water-dissoluble polymer in fluid form of non-ionic SAS or concentrated water solution of anion-active SAS where the polymer content is 1-20 mass % at smaller pressure.