Water-shutoff method for sealing gas well effluent section by combination of incline cement and gas injection compression

The invention relates to a water shutoff method for closing a water-yielding region of a gas well by utilizing dumping device for matching with gas injection and compression. Gas injection is carried out to a target well so as to shove stored water in the well to the stratum and cause the well to ma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU JIANYI, WU JIASHUI, SUN QISAN, FAN ZHENHUI, HUANG DEKUN, FAN LAIFU
Format:	Patent
Sprache:	chi ; 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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