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- Analysis of vibration of bottomhole assembly with downhole hydrodynamic propulsor. 带井下液力推进器的钻具组合振动分析。
- The mathematical model for the bottomhole assembly with downhole hydrodynamic propulsor is established, and the vibration of the assembly is analyzed and the model is solved. 建立了带井下液力推进器钻具组合的数学模型，并进行了振动分析和模型求解。
- It also analyses the application effect of “PDC bit+Steerable motor+MWD”bottomhole assembly,DSSJ8 type hydraulic bit weighted tool,drillable float collar and float shoe. 总结分析了“PDC钻头+导向马达+MWD”钻具组合，DSSJ8型水力加压工具，可钻式浮箍与浮鞋在该井的使用效果。
- Three-dimensional differential equations for bottomhole assembly under large deflection 下部钻具组合三维大挠度微分方程的详细推导
- Keywords slim hole sidetracking hole trajectory bottomhole assembly well cementing cementing quality; 小眼井;侧钻;井眼轨迹;井底钻具组合;固井;固井质量;
- Keywords open hole;sidetracking technique;pendulum assembly;research;bottomhole assembly; 裸眼;侧钻技术;钟摆钻具;井底动力钻具;应用;
- Keywords Percussive drilling;Bottomhole assembly;Drilling tool;Energy;Parameter; 冲击钻井;井底动力钻具;钻井工具;能量;参数;
- Jack was assigned to the assembly shop of the factory. 杰克被分配到厂里的装配间工作。
- Keywords bottomhole assembly;drilling string stabilizer;structure analysis;modification; 钻具组合;钻柱稳定器;结构分析;改进;
- Robots are replacing people on assembly lines. 机器人逐渐代替了装配线上的工人。
- The head teacher told the school at assembly. 校长在全校学生大会上讲话。
- A legislative assembly is being held. 一个有关立法的会议正在召开。
- People have the rights of assembly and expression. 人们有集会和发表言论的权利。
- Local assembly will help sale to some extent. 在当地组装将在某种程度上促进产品销售。
- This part of the assembly process is now fully automated. 装配过程的这一部分现在是全自动的。
- The former president addressed a large assembly. 前总统向众多的与会者讲了话。
- Cheers rang out from the assembly hall. 大会堂里响起了欢呼声。
- The motion was put to the assembly. 这项动议已提交给大会了。
- I hate the monotony of work on the assembly line. 我痛恨在单调无味的流水装配线上工作。
- He works on an assembly line or he is an assembly line worker. 他在一条装配线上工作或他是一名装配线上的工人。
