Novel concentric separate injection flow adjusting mechanism and method

The invention relates to the technical field of oilfield water injection and polymer injection, and particularly relates to a novel concentric separate injection flow adjusting mechanism. The adjusting mechanism is used for underground separate layer water injection and polymer injection, and compri...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN GENG, CAI KAIHUA, ZHANG YONGLI, LYU YINGZHU
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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