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- Steam heating system of hollow sucker rod is a practical technique suitable for the production of high pour-point and high viscosity oil. 空心抽油杆注蒸汽伴热是一种适用于开采高凝固点、高黏度原油的实用技术。
- Therefore, we have competitive force in the Coiled Tubing, Coiled Hollow Sucker Rod and High Grade ERW Plain End Tubing markets. 因此，公司生产连续油管、连续空心抽油杆和高钢级ERW油光管具有较强的市场竞争力。
- The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one-piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump. 针对这种情况，大港油田新世纪机械制造有限公司研制成功一种新型无油管采油装置，这种装置以空心抽油杆代替实心抽油杆带泵工作并兼作出油流道，还通过一种新型悬挂器将整筒抽油泵固定在套管壁上，提高了抽油泵的工作稳定性。
- This method enhances the twisting strength of system power transmission by using hollow sucker rod,and improve the fluidity of wellbore oil,thereby improve the system working condition. 该方法通过空心电热杆增强螺杆泵系统动力传动杆的抗扭能力，改善井筒原油的流动性，从而提高了系统的工况。
- Newly developed electric heating hollow rod drive screw pump system adopts hollow sucker rod to drive the screw pump.It has twice the antitorque capacity of the hollow rod with the same cross section. 新研制的电加热空心抽油杆驱动螺杆泵装置采用空心杆驱动螺杆泵，抗扭承载能力比相同横截面积的实心杆增大近1倍。
- Design of forging die for hollow sucker rod 空心抽油杆锻模设计
- Failure analysis of friction welded joint of hollow sucker rod 空心抽油杆摩擦焊接头断裂失效分析
- Keywords tubingless oil production hollow sucker rod hanger principle test; 无油管采油;空心抽油杆;悬挂器;原理;试验;
- The Application of Drainage Gas Recovery Technology of Hollow Sucker Rod in Baimiao Condensate Field 白庙凝析气田空心抽油杆排液采气工艺技术的应用
- ANALYTICAL SOLUTION FOR STEAM HEATING SYSTEM OF HOLLOW SUCKER ROD AND OPTIMAL DESIGN OF INJECTION PARAMETERS 空心抽油杆注蒸汽数学模型的解析解及其参数优化
- Analysis of flow rate and polished rod load for hydraulic feedback hollow sucker rod pump 液力反馈型空心杆抽油泵的流量及悬点载荷分析
- Development and application of the stepwise sand washer for progressing cavity pump hollow sucker rod system 螺杆泵空心抽油杆分段冲砂器的研制及应用
- Keywords tubingless oil production;hollow sucker rod;pump efficiency;production practice; 无油管采油;空心抽油杆;泵效;采油工艺;
- Fatigue bet of 20CrMo steel for Grade D sucker rod. D级抽油杆用20CrMo钢疲劳试验
- hollow sucker rod 空心抽油杆
- Location and spacing of sucker rod centralizers in straight holes. 直井抽油杆柱扶正器安装位置及安装间距。
- Numerical calculation of electric heating system of hollow sucker rods based on the theory of skin effect 基于集肤效应的空心抽油杆电热系统的数值计算
- hollow sucker rods 空心抽油杆
- In designing the sucker rod, correct the line density, elasticity coefficient, rigidity and so on. 本文在进行空心抽油杆柱的设计计算时,对空心抽油杆的线密度、性系数、度等参数进行了修正。
- Experimentation of surface protection material for flexible continuous sucker rod. 柔性连续抽油杆表面防护材料的试验研究。
