The Acquisition System For Drill String Vibration Signals And The Spectrum Analysis;
钻柱振动信号采集系统及谱分析
By means of analyzing the signal of drill string vibration while drilling,the characteristic frequency information of current formation and working condition of drill tool is obtained.
在钻井过程中 ,通过对钻柱振动信号分析 ,获取当前地层以及钻具的工作状态的特征频
Development of Drill String Vibration Logging
钻柱振动录井的研究现状及发展趋势
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
Drillstring Vibro-acoustic Logging method and application examples
钻柱振动声波录井技术方法及应用实例
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
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
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
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
5.12 Collecting the drill cuttings at the shale-shaker.
到振动筛处取点钻屑来。
Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
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。
Study on New Drilling Force Model of Vibration Drilling and Vibration Drilling with Invariable Parameter and Variable Parameter;
振动钻削新钻削力模型及定、变参数振动钻削的研究
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
Study on Structural Vibration Control of Liquid Column Vibration Absorber;
液柱式振动吸振器（LCVA）在结构振动控制中的研究
work the pipe free
活动钻具或管柱使之解卡
AUTOMATIC METHOD OF DST ANALSIS
非自喷井钻柱测试解释的自动拟合法
Combined Application of Steel Casing by Vibrating Hammer and Rotary Drilling Rig
振动锤沉拔钢护筒与旋挖钻机钻进的组合应用
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
Research on Chip Breakage Condition of Gun-drilling in Low Frequency Vibratory Drilling and Losing of Amplitude
枪钻低频振动钻削深孔断屑条件和振幅损失研究