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- 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。
- Stationary barrel rod pump with separately-fixed anchor and seal ring 支撑固定与密封分置的定筒杆式抽油泵研制
- Anti-sand rod pump with helically-grooved barrel. 泵筒带螺旋槽的新型防砂卡抽油泵。
- Once producing by socker rod pump, the velocity and pressure of liquid are changing with the time in unsteady flow. 在有杆泵抽油生产条件下,流体的速度和压力都随时间变化,处于非稳定流动状态。
- This article recommends the process of direct quenching after carburizing for sucker rod pump liners. 介绍了抽油泵衬套渗碳后直接淬火处理工艺。
- The corrosion and wear of rod pump well cause the damage of downhole equipment and seriously affect the normal production of oil well. 有杆泵井中的腐蚀和磨损，造成油井的井下设备损坏，严重影响油井的正常生产。
- When using the mechanical recovery method with sucker rod pump in directional and horizontal wells,it needed install to centralizer on sucker rod string. 在定向井、水平井中使用有杆泵机械采油方法时,需要在抽油杆柱上安装扶正器。
- Determination of pump setting depth and selection of suction parameters are key to rod pumping. 有杆泵采油时,泵挂深度的确定和抽吸参数的优选始终被人们所关注。
- To solve the problem of rod floating during the operation of conventional rod pumps in heavy oil wells, a telescoping sucker rod pump is developed. 针对普通抽油泵在稠油井中使用时存在抽油杆柱下行困难的问题,提出一种套装式抽稠油泵。
- The article analyses the reason of downhole corrosion and wear, shows the destinguish method of downhole corrosion and wear and puts forward measures to retard corrosion and wear in rod pump well. 分析了油井井下腐蚀和磨损的产之原因，阐述了井下腐蚀和磨损的鉴别方法，提出了减缓有杆系井腐蚀和磨损的措施。
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗？
- The oil producing method with electric pump is the second common method in use less than rod pumping in Shengli petroliferous province. 电泵采油是胜利油区仅次于有杆泵采油的第二大采油方式。
- The structure of closed valve bonnet influences the perfor-mance of sucker rod pumps. 闭式阀罩是影响抽油泵使用性能的零件。
- How to Select the Main Parameters of the Grooved Ball- Chamber of Closed Valve Bonnet on Sucker Rod Pumps. 抽油泵闭式阀罩槽形球室主要结构参数的选择
- In addition, a method for checking the reliability of the failure data of rod pumping s... 还通过实例说明了有杆泵抽油系统检泵故障数据的可靠性分析方法。
- Analysis of transient temperature distribution in laser rod pumped by repetitively pulsed high-power ring-LDA[J]. 引用该论文 张申金;欧群飞;冯国英;李明中;朱海波;陈建国.
- How much do they stand to lose by this merger? 这次合并，他们要遭受多大损失？
- The pump efficiency of 32% rod pumped wells in Erlian Oilfield is lower than 30%, and increasing production centralizer is introduced to solve this problem. 二连油田有32%25的抽油机井泵效低于30%25,为此有针对性地引进了增抽扶正器配套工艺。增抽扶正器具有减少冲程损失、减少漏失、抽油杆扶正以及实现分段举升,减轻抽油杆的疲劳负荷等功能。
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
