pumping efficiency

Pumping recovery well has a low efficiency in system generally at present.

抽油机井目前普遍存在系统效率偏低的问题.

Analysis of the computer emulation of the average working efficiency of the 4 bar planar of swing pumping

游梁式抽油机四杆机构平均运行效率的计算机仿真分析

B. We also experimentally studied the relations of laser's threshold, slope efficiency, output power to pumping mode.

B.采用不同泵浦方式，实验研究了激光器的阈值、斜率效率、输出功率与泵浦方式的关系。

The conventional method used to improve the efficiency of the sucker-rod pumping system increases pumping unit stroke, but now mostly pumping unit stroke can be adjusted to its maximum, only fewness have the room to adjust.

提高有杆泵抽油机系统效率最常用的措施就是增大冲程，但是目前绝大多数抽油机的冲程已经调到了最大值，只有少数抽油机仍有冲程调节余量。

Pumping Efficiency Affected by the Seating Time of Valve Ball

阀球入座时间对抽油泵泵效的影响

The average single well oil increment is 145t, the effective ratio is 70%, 10%-30% of pumping efficiency is raised after the plugging removal is carried on in the test well, well flushing cost is saved with the input-output ratio of 1:5.

试验井微生物解堵后功图泵效提高10%~30%，节省了洗井作业费用，投入产出比大于1∶5。

Harmful effect caused by rise in viscosity can be removed, pump efficiency may be raised, production period of oil well may be prolonged and oil production in period may be increased by pumping through variable? displacement in steam?

采用变排量抽油技术能消除因粘度升高造成的不利影响，提高泵效、延长油井生产周期、增加周期产油量。

The threshold pumping power is 3.5 W and pulse duration is 50 ns. The slope efficiency is as high as 20%.

激光输出模式为稳定的单纵模，抽运阈值功率为35W，脉冲宽度为50ns，斜率效率高达20%。

Directing the Yellow Project GM3 Pumping Station Main Equipment Load Efficiency Analysis

引黄工程GM3泵站主要设备负荷效率分析

At the same time, there exist a lot of problems in the rod-pumped wells of polymer flooding compared with water flooding, such as greater ergogram, lower pumping efficiency, eccentric wear of the sucker rod, shorter period of pump checking, etc.

与此同时，聚驱抽油机井与水驱抽油机井相比有诸如示功图肥大、泵效下降、抽油杆偏磨、检泵周期缩短等问题。

When the pumping time between 30 days and 40 days and the amount of pumping pollution between 70% and 80%, the pumping efficiency significantly reduced.

当抽水时间大于30天-40天，抽出污染物的量大于70%-80%时，抽水效率有明显的降低，随着时间的增长，降低速度越来越快。