Anticorrosion packer of reinjection well casing pipe

The utility model provides an anticorrosion packer of a reinjection well casing pipe. The anticorrosion packer comprises an upper joint, a central pipe, a balance joint, a guide ring, a rubber sleeve, an oil draining sleeve, a releasing jaw, an upper piston sleeve, an upper piston, a lower piston, a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU YABO, WANG WEI, REN YUEFEI, LIU YI, WEI KEYING, WU GESHENG, LU ZHEN, WANG ANNING, XU XIAOJIAN, ZHANG QIANG
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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