The Application of Horizontal Drilling in Cable Laying across Highway;
水平钻进非开挖铺管技术在高速公路中的应用
This paper presents the main content of radial horizontal drilling technology, the applicable condition and the factors considered when designing depth and extended direction of the well, and discussed about section milling, reaming, horizontal drilling process, technology parameter and technology principle in W5 well.
介绍了径向水平井技术的主要内容、适用条件及设计径向水平井眼深度和方位时应考虑的因素,论述了W5井现场施工中的套管段铣、井下扩眼、水平钻进的工艺过程、技术参数及技术原理。
This article introduces a horizontal drilling device for the removal of the coagulated slurry in drilling pipes.
清理钻杆中凝固水泥时 ,因孔洞较深 ,需要有强度较高的传动器械和特殊的动力装置 ,为此 ,设计了清理钻杆中凝固水泥水平钻进装置。
Computational fluid dynamics for marine waterjet design and performance analysis;
CFD在船舶喷水推进器设计与性能分析中的应用
Numerical study of boundary layer effects on waterjet intakes flow and pressure distribution;
边界层对喷水推进器进水管内流场影响*
Research of relationship between waterjet power absorption and ship speed;
喷水推进器功率特性与航速相关性研究
Theoretical and Experimental Research on Reverse Circulation Constant Sampling and Powerful Compressed Air Spurting Drilling Technology;
反循环强力气体喷射钻进技术理论及试验研究
jet piercing burner
热力喷射钻孔燃烧器
This is jet bit and that is a PDC bit.
这是喷射式钻头，那是人造聚晶金钢石钻头。
Ouantitatively Calculating Method of Rheological Parameters of Jet Drilling Mud
喷射钻井泥浆流变参数定量计算方法
Study on the Bottom Hole Pressure Properties of the Oscillating Pulse Jet-Nozzled Bit
振荡脉冲射流喷嘴钻头井底压力特性研究
Study on Nozzle Wear Mechanism and Drilling Test of Swirling Abrasive Water Jet;
旋转磨料射流喷嘴磨损机理与钻孔试验研究
Application of Horizontal Borehole Technology by Hydraulic Jetting in Changqing Longdong Oilfield
水力喷射水平钻孔技术在长庆陇东油田的应用
The research of supersonic multi-nozzle ejector reverse circulation bit
超音速多喷嘴引射器式反循环钻头研究
Hoist the BOP stack with the hook and have an overall check.
用钻机大钩提起防喷器组并进行全面检查。
jet-projecting machine, sand, steam, powder or liquid (excl. container cleaning machines, soot remover for boilers, and jet type dental drills)
砂、蒸气、粉末或液体喷射机（不包括容器清洗机器、锅炉除烟垢器及喷射式牙钻
The Research on the Performance of Timed Manifold Injection Hydrogen-Fueled Engine;
进气歧管喷射式氢气发动机性能研究
The Improvement Designs of the DF11 Type Locomotive s Fuel-injection System;
DF11型机车燃油喷射系统改进设计
The Inside Flow Field Simulation of Pump-jet Propulsor Based on The Software FLUENT
基于FLUENT的泵喷射推进器内流场仿真
Improvement on ejector design and CFD modelling
喷射器结构改进方法及其CFD分析
Application of gas-in via nozzle gas-assisted technology in moulds
喷嘴进气气辅技术在注射模中的应用
APPLICATION AND RESEACH-DEVELOPMENTOF WATER JET TECHNOLOGY IN ROCK BIT
水射流技术在牙轮钻头中的应用与研究进展
Mechanisms and Application of Hydraulic Pulsed Cavitating Jet Assisted Drilling
水力脉冲空化射流钻进机理及现场应用
Then diesel fuel oil is injected or sprayed into the cylinder at the end of the compression stroke.
然后在压缩冲程即将结束时，柴油燃料被喷射或被喷雾进入气缸。