Portable gas lift flowing back reservoir protection speed tubular column

The utility model provides a portable gas lift flowing back reservoir protection speed tubular column, set up the speed tubular column in oil pipe including movable to and from the top down sets gradually multistage gas lift valve and unilateral control packer on the speed tubular column, the unilat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEN ZHEHAO, XU WENLONG, TIAN FAGUO, YU SHUZHEN, SONG JIE, WANG XIAORONG, GAO YULONG, FENG PENGXIN, TAN BO, RU ZHIJUAN, GU CHENGYI, MA HAIBIN, LAI HAITAO
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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