Switchable oil-extraction and water-injection integrated production pipe column

The invention discloses a switchable oil-extraction and water-injection integrated production pipe column comprising an in-well sleeve, an oil pipe, a downhole safety valve and an electric submersible pump. Packers are arranged in the positions, located below the downhole safety valve, between the o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SU JIANBO, LU CHUANSHI, JIAN CHENG, SUN LONGBO, WANG ERJUN, YANG KAIYU, TIAN ZONGQIANG, HE LIAN, MA LEI, ZHU GUANJIN, DENG HUAGEN, JIN SHUKAI, SUN GUIBAO
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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