1.
Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
2.
Dynamic and Reliability Research of Drill Stem Considered Clearance between Drill Stem and Formation;
小环空条件下钻柱动力学及可靠性研究
3.
ANALYSING DYNAMIC CHARACTERISTICS OF DRILLING STRING EDDY OF INSIDE CONTAINING DRILL FLUID
内含钻井液的钻柱涡动动力特性分析
4.
Measurement Method and Experimental Research on Dynamic Force Behavior of Bottom Drill String
底部钻柱动态力学特性测量方法与实验研究
5.
Study on Nonlinear Dynamics Action of Integrated Bit-Rock-Drillstring-Well System;
钻头—岩石—钻柱—井壁互作用下系统耦合非线性动力学研究
6.
Acoustic Transmission and Measurement Method for Near-bit Dynamic Force Signal of Bottom Drill String
底部钻柱近钻头动态力测量及声传输方法
7.
Nonlineaer Study on Dynamic Action of Integrated Drill String-Well Rock System;
钻柱结构与井壁岩石互作用下系统耦合非线性动力学研究
8.
The Dynamic Analysis on Drilling System of ZY-200 Type Rotary Drilling Rig;
ZY-200型旋挖钻机钻挖系统动力学分析
9.
STUDY ON MECHANICAL EFFECT AND COAL PILLAR STABILITY DURING HIGHWALL MINING WITH AUGER MACHINE
螺旋钻机开采的力学效应及煤柱稳定性研究
10.
Nonlinear Mechanic Analysis and Application of Drillstring for Stairs Horizontal Well;
阶梯水平井钻柱非线性力学分析与轨道设计
11.
The Comprehensive Integrated Platform Development of Case Pipe Mechanics Analysis in Casing Drilling
套管钻井管柱力学分析综合集成平台开发
12.
ADAMS Dynamic Simulation of Drill Stem in Rotating Course
钻杆转动过程的ADAMS动力学仿真
13.
The rotary carriage provides rotary and vertical motion to the drill string and bit.
转动滑架为钻柱和钻头提供转动和垂直移动。
14.
Analysis on mechanics and fatigue reliability of casing string during casing drilling
套管钻井中套管柱疲劳可靠性及相关力学特性研究
15.
circle theorem of hydrodynamics
流体动力学的圆柱绕流定理
16.
Dynamics analysis of involute gears with asymmetric teeth
非对称渐开线圆柱齿轮的动力学特性
17.
Videourodynamic characteristics in spina bifida patients
脊柱裂患者的影像尿动力学特点分析
18.
A Dynamics Study on Surface-driving Progressing Cavity Pump of Oil Production System;
地面驱动螺杆泵井抽油杆柱力学研究