Cable-setting-free soluble ball seat plugging device and fracturing string

The invention discloses a cable-setting-free soluble ball seat plugging device and a fracturing pipe column. The cable-setting-free soluble ball seat plugging device comprises n stages of fracturing sliding sleeves which are sequentially connected in series from bottom to top. Each fracturing slidin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QI YIN, WANG ZHIGUO, ZHANG KUANGSHENG, ZHANG XIAOGANG, REN GUOFU, MA BING, LIU ZHONGNENG, LI LOULOU, LIU HANBIN, WANG ZAIQIANG
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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