The peak polished rod load occurs near the bottom of the stroke with the start of the upstroke.
最大光杆负荷发生在上行冲程开始时的冲程底部附近。
The minimum polished rod load occurs near the top of the stroke with the start of the downstroke.
最小光杆负荷发生在下行冲程开始时的冲程顶部附近。
The main drive chain and the bearing chain divide the polished rod load into reverse pumping load and equilibrium load.
主传动链与承载链将悬点载荷分解为换向抽汲载荷与平衡载荷。
Abstract: To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed.
摘要：为模拟抽油机悬点载荷，设计了一种新型抽油机悬点载荷模拟试验装置。
Surface liquid yield measurement using dynamometer card (SLYMUDC) is a method of computing surface liquid yield of Wells by analyzing polished rod load and displacement.
示功图量油就是通过对悬点载荷与悬点位移进行分析，计算井口产液量的一种方法。
The difference in the peak load on the upstroke and the minimum load on the downstroke of a polished rod.
光杆上行冲程时的最大负载与下行冲程时的最小负载之差。
The difference in the peak load on the upstroke and the minimum load on the downstroke of a polished rod.
光杆上行冲程时的最大负载与下行冲程时的最小负载之差。
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