Study on downhole vibration drilling tool induced by hydropulse.;
水力脉冲诱发井下振动钻井工具研究
Nonlinear natural vibration of monolayer cable net point-supported glass curtain wall;
点式幕墙单层索网支承体系非线性固有振动
Similarities in natural vibration of stiff cable structures and truss arch structures;
劲性索、桁架拱结构固有振动的相似性
Nonlinear natural vibration of cable-truss of steel netlike roof;
索网屋盖索桁架支承体系的非线性固有振动
Study and field application of a low frequency downhole hydraulic cement pulsation device
新型井下低频水力振动固井装置的研制
fundamental natural mode of vibration
振动的基本固有振动模
Development of Drill String Vibration Logging
钻柱振动录井的研究现状及发展趋势
testing methods for dynamic mechanical properties of plastics by non-resonsnt, forced, fixed frequency oscillation
非共振、固定振动下塑料温度比运动粘度测定法
Calculating natural frequency and vector of an oscillation system;
一类振动系统固有频率与固有向量的计算
Safety Assessment on Vortex-induced Vibration of Marine Drilling Riser System;
海洋钻井隔水管系统涡激振动安全评估研究
KANTAN3 Offshore Derrick Safety Assessment Based on Vibration Tests;
基于振动测试的勘探三号海洋井架安全评定
Evaluation and Forecast of Lengthwise Vibration Fatigue Intensity of Deep Well Drillstring;
深井钻柱纵向振动疲劳强度评估与预测
Vibration Characteristic Research of Drilling Riser Based on Pipe-soil Model;
基于管土模型的钻井隔水管振动特性研究
Study on Attenuation Law of the Blasting Vibration and the Controlling Technology in Deep Metal Mine;
深井爆破振动衰减规律与控制技术研究
Study on the Vibration Characteristic and Typical Fault Diagnosis of Mine Hoist System;
矿井提升系统振动特性及典型故障诊断研究
Influence of Industrial Noise and Syndrome on Oilfield Drilling Workers Health;
噪声与振动对油田钻井工人健康的影响
THEORETICAL CALCULATION AND ANSYS ANALYSIS OF LONGITUDINAL VIBRATION FOR THE DRILLING STRING OF AN EXTENDED REACH WELL
大位移井钻柱纵向振动理论计算与ANSYS分析
Influence of vibration load of oil pumping unit on the camber wear of rod tube and its prevention.
抽油机井振动载荷对杆管偏磨的影响与防治
Design of Bearing Vibration Signal Acquisition System of Oil Drilling Equipment
石油钻井设备轴承振动信号采集系统设计
Establishment and solution of the vibration equation on the bending drill string in horizontal wells' whipstocking section
水平井造斜段弯曲钻柱振动方程的建立及求解
Vibration Measurement and Analysis on Control Blasting Technology for Shaft Excavation of the Reservoir Dam Area
水库坝区竖井开挖爆破技术及振动测试分析
Vibration Signal Applied to Analyze Reaming Performances of Raise Boring Machine
采用振动信号分析反井钻机扩孔钻进工况