The dart is the only moving plunger part and is capable of withstanding high impacts from high speed wells.
活门是柱塞唯一能移动的部分，能够承受高流量井中高强度的冲击。
If Wells produce at natural productivity, their flow rates decline with the same speed as the mid-and high-permeability reservoirs.
若油井以自然产能生产，油井产量的递减速度并不快，而是与中高渗透储集层基本相同。
To prevent derailments a 2015 study recommended that China ban new water Wells near completed high-speed rail lines.
为防止列车脱轨，2015年的一项研究建议中国禁止在已完工的高铁轨道旁打井。
While these Wells begin to overflow, Those rapid overflow speed and high pressure shut-in, or serious blow-out or a blowout could ultimately lead to loss of control.
一旦出现溢流就会出现溢流量大，溢流速度快，关井压力高等特点，严重的可能最终导致井喷或井喷失控。
By drilling hundreds of Wells, it is proved that those methods effectively improve well quality and mechanical drilling speed and are of great value to be applied.
数百口井的实钻证明：这些方法行之有效，使井身质量及机械钻速大大提高，具有极大的推广价值。
Taking the rod string as the object of study, a method of computing pumping stroke and speed of walking beam pumping units for slant straight wells is also presented.
以抽油杆柱为研究对象，论述了斜直井游梁式抽油机冲程和冲次的计算方法。
The two strains were applied in 20 oil wells of Ou31 field test for controlling the speed of wax deposit in oil well, the success was 100%.
在欧31块开展的20口油井的微生物控制油井结蜡的现场应用中，成功率100%，可将原热洗周期延长至少三倍以上，并且取得了2389吨的增油效果。
This paper summarizes the drilling experience of cluster wells in high quality and quick speed in Bohai SZ36-1J area.
本文总结了渤海绥中36—1 油田J区优质快速钻井的经验。
This paper summarizes the drilling experience of cluster wells in high quality and quick speed in Bohai SZ36-1J area.
本文总结了渤海绥中36—1 油田J区优质快速钻井的经验。
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