Method for adjusting effective stroke of double-well pumping unit

The invention relates to a method for adjusting the effective stroke of a double-well pumping unit. Mainly solves the problems of high production cost and inconvenience in adjustment of the stroke adjustment method of the existing one-machine double-well pumping unit. The method is characterized in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU SHAOGONG, ZHANG WANQING, WANG CUI, ZHOU LUFANG, SUN YAN'AN, DONG QIAOLING, HOU YU, WANG YANG, CAI MENG, SUN CHUNLONG, ZHANG KAIBO, ZHENG DONGZHI
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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