1.
The Joshi formula considering the friction loss of well bore
考虑井筒摩阻损失后的Joshi公式
2.
Mechanical Analysis and Frictional Resistance Calculation of Washover-string in Process of Extracting Casing
油井取套过程套铣筒力学分析及摩阻力计算
3.
Frequency-dependent friction model for consecutive pulse signal of drilling fluid transmitting in borehole
井筒内钻井液连续脉冲信号传输频率相关摩阻模型
4.
Application of Frication Reel-cage Prevented Fall in Malan Mine Viceshaft
摩擦卷筒式防坠罐装置在马兰矿副立井的应用
5.
The Drag and Friction of Completion String in Horizontal Well-Analysis and Prediction
水平井完井管柱受力分析与摩阻预测方法
6.
Prediction on wellhead outflow performance by dynamic friction coefficient of gas wells
利用气井动态摩阻系数预测井口流出动态
7.
Simulation of hydraulic damping characteristic for motorcycle′s cylindrical shock absorber
摩托车筒式减震器液压阻尼特性的模拟与仿真
8.
Research on and Practice of the Scientific Repair of Cylinder Bearing of Large Shafttower Friction Winder
大型井塔式摩擦轮提升机滚筒轴承科学检修研究与实践
9.
The Research of New Methods to Compute Coefficient of Mine Roadway's Frictional Resistance;
确定矿井巷道摩擦阻力系数的新方法研究
10.
Research on torque and drag in extended-reach horizontal wells and its application in Chenghai-1 area
埕海一区大位移水平井摩阻扭矩研究与应用
11.
The application of the improved direct shear apparatus during research on open caisson side friction
改进直剪仪在沉井侧摩阻力研究中的应用
12.
In drilling high angle deviated holes, friction is the main factor affecting the effective WOB.
在大斜度定向井钻井过程中,摩擦阻力是影响有效钻压的主要因素。
13.
Code for design of inclined shaft and chambers of coal mine
煤矿矿井斜井井筒及硐室设计规范
14.
Experience on the shrink shaft drilling construction reserve period
缩短立井井筒凿井施工准备期的经验
15.
The influences of shock absorption on structure are analyzed when the distributing of friction slices is changed along circle and axial direction, then the results are presented.
对阻尼套筒摩擦片沿周向和周向的不同分布对结构减振效果的影响进行分析,并得出相应结论。
16.
wellbore storage domination
井筒储存起支配作用
17.
a shaft driven upward is called a raise; one that is driven downward is known as a winze.
从下往上开拓出来的井筒叫天井;从上往下开拓出来的井筒叫盲井。
18.
Technical code for anticorrosion of shaft equipment of vertical shaft of coal mine
煤矿立井井筒装备防腐蚀技术规范