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- coiled pumping rod 连续抽油杆
- Wire line flexible pumping rod is a coiled rod with sealing wire line. 钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
- Abstract In adopting API method, the kinetic model of a multistage pumping rod system was simplified into mul tiple lumped masses connected in series by springs. 采用API方法时，把多级抽油杆系统动力学模型简化成由多个弹簧串联多个集中质量。
- By analysis and comparasion, it is proved that the newly simplified kinetic model of the multistage pumping rod system is more accurate and more reasonable than the kinet... 经分析和比较证实，现简化的多级抽油杆系统动力学模型比用前方法简化的长冲程抽油机的系统动力学模型更为精确合理。
- During oil production, pumping rod is eccentric in the long oil tube, in which flow of the swabbed fluid can be regarded as an unsteady flow of second-order fl. 在采油过程中，由于油井较深的缘故，抽油杆在油管中是处于偏心位置的，可以把聚驱井抽汲液在井筒中的流动视为二阶流体在内管做轴向往复运动的偏心环空中的非定常流动。
- This effect not only knocks down strength of pumping rod but also rubs through oil tube wall, leading to the oil well unable to work and economic loss of the oil field. 偏磨使抽油杆磨损,降低了抽油杆的强度,造成抽油杆断裂,磨穿油管壁,影响油井正常工作,给油田带来较大的经济损失。
- It can be used in antomatic eddy testing of the tubings with joints,and also in the automatic testing of pump rod. 该设备主要用于带接箍油管的全自动化涡流探伤,也可用于抽油杆的自动检测。
- Common faults in solid oil pumping rod inspection 实心抽油杆的常见不合格顶
- annulus between pumping rod and tubing 杆管环空
- A helical buckling of pumping rods has taken place in the course of downstroke of pumping. 认为抽油杆在下行冲程中可能因失稳而在有限空间内发生螺旋状弯曲。
- The paper analysis systematically the factors of influencing pumping rods' service life, and supply the corresponding technological countermeasures. 本文系统地分析了影响抽油杆使用寿命的各种因素,并提出了相应的技术对策。
- She coiled her hair at the back of her head. 她把头发盘在脑后。
- The snake coiled itself around the tree. 蛇盘绕在树上。
- Abstract: This paper analyzes the mechanism of side attrition of pumping rods and tubes after polymer flooding, and proposes a method of comprehensive prevention. 文摘:从生产实际出发，结合理论分析，较全面地分析了聚合物驱油后出现杆、管偏磨现象的机理，并提出了综合防治的基本措施与方法。
- The snake coiled (itself) round the branch. 蛇(把身体)盘绕在树枝上。
- This paper analyzes the mechanism of side attrition of pumping rods and tubes after polymer flooding, and proposes a method of comprehensive prevention. 从生产实际出发，结合理论分析，较全面地分析了聚合物驱油后出现杆、偏磨现象的机理，并提出了综合防治的基本措施与方法。
- Thick smoke coiled up over the fields. 浓烟在田野上盘旋上升。
- One loop or winding of a coiled rope or cable. 一卷绳索，一捆船索卷起的绳子或钢丝的一圈或一卷
- Rotation Technique for Downhole Pump Rod 井下抽油杆旋转技术
