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- combined casing string 组合套管柱
- Surface tests on three water-jet perforating techniques show that hydraulic perforating can penetrate the casing string and the cement sheave rapidly, and it is able t... 3种水力喷射射孔技术的地面试验研究表明,水力射孔技术可快速射穿套管和水泥环,能够满足油水井射孔需要;现场应用表明,大部分油水井见到了明显的增产增注效果。
- In the finite element model the gap elements are arranged at the ends of girder element of the tube string to simulate the contact and friction among rod, tube and casing string. 通过构建双层接触间隙元，建立有限元分析模型，将油管柱、套管柱和抽油杆柱之间作为一个耦合的整体进行有限元力学分析。
- In the curved interval of horizontal well,great frictional resistance can be imposed on the casing string and result in great bending stress due to the bending of the hole. 套管柱在水平井弯曲段随井眼弯曲产生较大的弯曲应力和受到较大的摩擦阻力，有可能产生强度破坏、密封失效、稳定性破坏而不能下入。
- Rotation cementing is one of the most advanced technologies in the world which is to make casing string rotate through turntable in order to improve displacement efficiency and cementing quality. 旋转固井是目前国际上最先进的固井新工艺之一,在固井施工中,通过转盘带动套管串旋转,提高水泥浆的顶替效率,提高固井质量。
- The caculations and anolyses of examples show that the application of triaxial stress theory in casing string design can take most factors into consideration and obtain the results with high preci... 给出了应用计算机实现套管柱设计的方法和步骤,并编制了相应的计算软件,结合具体设计实例,通过计算分析表明,应用三轴强度理论进行套管柱设计具有分析全面、计算精度较高的特点。
- Casing strings are rotated by torque from wellhead during casing drilling. 套管钻井中套管管柱的旋转动力来自井口所施加的扭矩。
- Practice support software that combines case management, time and billing, scheduling, document management and CRM. 联合盒子管理的实践支持软件，时间并且收费，安排，文件管理和CRM。
- In strong turbulent atmosphere, the far-field beam quality degrades into the incoherent combining case without any relationship with the fill factor and laser wavelength. 但是在湍流强度较强的情形下，相干合成远场光束质量退化致非相干合成的情形，与激光阵列的紧凑度和激光波长无关。
- The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency. 使用旋流扶正器既可提高套管的居中度,又可对流体进行导流而形成螺旋流,还可以提高环空水泥浆对泥浆的顶替效率。
- The two parties have combined to form a government. 两党已经联合起来组成政府。
- Optimizing Casing String Design under Cost Constraint 成本约束条件下的套管柱优化设计
- The combined fleet is armed to the teeth. 这支联合舰队全副武装。
- We utilize simple combination cases to achieve PAPR reduction and improve performance. 可以利用简单的组合方式达到更好的降低PAPR效能。
- In sum, theory must be combined with practice. 总之，理论必须同实践相结合。
- An Analysis of the Lateral Force between Casing String and Drill Stem 套管柱与钻柱间侧向力的分析
- MULTIPLE COMBINATION CASING CHARACTERISTIC ANALYSIS 多层组合套管特性分析
- How these elements are combined is clearly known to us. 这些元素是怎样结合的我们知道得很清楚。
- Study and calculation of dynamic stress on casing string during casing drilling 套管钻井中套管柱动应力研究及计算方法
- Combined into one united body; merged. 合并的，结合的并入一个整体的; 合并的
