pressure balanced drilling bumpersub
压力平衡式钻井震击器
balanced bottom hole pressure method
井底压力平衡压井法
diaphragm type pressure balance detector
膜片式压力平衡检测器
Well-logging Instrument Pressure-balance Calculation Based on COSMOSFloWorks
基于COSMOSFloWorks的测井仪器压力平衡设计计算
Research on Prediction Bottom Hole Pressure of Under-balanced Drilling Base of ANN;
基于神经网络的欠平衡钻井井底压力预测方法研究
MODIFICATION OF UBD SOFTWARE DESIGN DEVIATION USING THE DOWNHOLE PRESSURE ACQUISITION TECHNOLOGY
井底压力采集技术修正欠平衡钻井软件设计偏差
formation-wellbore pressure balanced
地层-井眼系统压力平衡
The Effect of Earthquake and Soil on Jack-Up;
土壤与地震对自升式钻井平台的作用
Improvement and Application of Hydraulic Jar for High Pressure and Super Deep Wells
高压、超深井液压震击器的改进及应用
horizontal borehole pressure recorder
水平钻孔压力记录器
Mechanism and parameter study of jet hydraulic drilling for decreasing bottomhole pressure
射流式水力降压钻井机理与参数研究
Hydrodynamic Analysis for a Deep-water Semi-submersible Drilling Platform;
深海半潜式钻井平台水动力性能分析
WOB CALCULATION FOR COMBINATION OF HYDRAULIC THRUSTER AND DOWNHOLE MOTOR
水力加压器和井下马达组合时的钻压计算
Structure design of hydraulic thruster and computation model of weight on bit in micro-hole
微小井眼水力加压器结构设计及钻压计算
pressure balanced bearing seal
压力平衡式轴承密封
The impact of unbalanced reservoir pressure on lateral well deliverability
地层压力不平衡对分支井产能的影响
Bottomhole Stress Analysis and Breaking Mechanism Research in Underbalanced Drilling
欠平衡钻井井底岩石应力状态分析和破碎机理研究
Mud logging technology under the underbalanced drilling
欠平衡钻井条件下录井技术方法探讨