High-layer oil exploration and sealing verification assembly

The utility model relates to a testable seal assembly used for exploiting oil on upper layer, comprising a division type unilateral flow valve, an upper packer, a communicating tube and a lower packer. The division type unilateral flow valve, the upper packer, the communicating tube and the lower pa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HAN QINGJIANG, ZHANG LIHONG, ZHI JINGBO, PU LIXIN, WANG XINHUA, FENG SHEFEN, WANG RUIZHONG, WANG GUANGAN, WANG GUANGFENG
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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