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- A new technique for picking the first S-wave arrival from dipole shear wave log in slow formation 慢速地层偶极横波测井横波初至检测新方法
- Keywords logging interpretation;micro resistivity imaging logging;azimuthal resistivity imag-ing logging;dipole shear wave logging;tight clastic rock;fracture;gas-bearing; 测井解释;微电阻率成像测井;方位电阻率成像测井;偶极横波测井;致密碎屑岩;裂缝;含气性;
- dipole shear wave logging 偶极横波测井
- Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock. 研究了在不动车情况下 ,采用超声横波对轮箍进行探伤的方法和原理 ,介绍了轮箍缺陷的反射规律和实际探伤的应用情况 ,探讨了缺陷检测和定位特点。
- Shear wave logging tools use dipole radiation in the borehole to generate flexural waves in formation. 针对高频散的挠曲波,将基于模拟退火的优化方法引入阵列偶极子测井资料处理中,以得到横波时差。
- With the development of modern well-logging techniques, direct shear wave logging has become an increasingly important tool in exploration and production geophysics. 直接使用横波测井已经成为油气勘探开发中重要的手段。
- Therefore, Xinjiang Well Logging Company obtained quality shear wave data by overcoming a lot of difficulties, setting a precedent for acquisiting shear wave logging data in casing hole. 新疆测井公司通过认真制订测井方案,克服了各种困难,首次顺利获得了优质的地层横波资料,开创了测井技术史上在套管井中获得横波资料的先例。
- COMPUTATION OF DIPOLE SHEAR WAVE TRAVEL TIME USING SIMUIAIED ANNEALING METHOD 用模拟退火方法计算偶极横波时差
- Anisotropy of dipole shear wave and its application to ground stress evaluation 偶极横波各向异性特征及其在地应力评价中的应用
- In thoery, it is feasible to obtain the shear wave of the formation by dipole acoustic imaging well logging through the casing. 过套管利用偶极子声波成像测量获得地层横波资料,在理论上讲是可行的。
- Given herei n is how to determine the direction of f ormation stress， effective fractures and its strike according to BCR data from DSI (Dipole Shear Sonic Imager). 给出了利用斯伦贝谢公司偶极横波成像(DSI)的BCR资料来确定地应力方向和识别有效裂缝及其走向的实例。
- Given herein is how to determine the direction of formation stress, effective fractures and its strike according to BCR data from DSI (Dipole Shear Sonic Imager). 给出了利用斯伦贝谢公司偶极横波成像 (DSI)的BCR资料来确定地应力方向和识别有效裂缝及其走向的实例。
- Based on the inversion principle of well logging data, the initial shear wave impedance model was established using shear wave reflection coefficient and converted wave interpreted horizon. 基于测井约束反演原理，利用横波反射系数和转换波解释层位建立初始横波波阻抗模型，优选反演处理参数，实现转换波叠后横波波阻抗反演。
- Shear wave: The vibration direction of the particle is perpendicular with the spread direction of the wave. 横波:质点的振动方向跟波的传播方向垂直的波。
- AVO phenomenon relating to petrophysical parameters can be seen in both compressional wave and shear wave. 地震反射振幅随炮检距变化的规律不仅纵波存在,横波同样也具有与物性参数有关的AVO特征。
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介绍了应用剪切波速判别饱和砂土振动液化的原理；
- At the balanceable place the incoming wave is inputted vertically as shear wave in the bottom of the mode. 框架结构在静力作用下产生位移，在静平衡位置再输入地震波。
- Keywords dipole shear logging;first arrival;high resolution;maximum entropy evaluation;common-source subarray;common-receive subarray; 偶极横波测井;波初至;高分辨率;最大熵谱估计;共发射子阵列;共接收子阵列;
- We can compute to the value of the compressionalwave and the shear wave from the theoretical model Biot-Geerstma-Smith equations. 利用理论模型 Biot-Geerstma-Smith 方程分别算出纵波速度和横波速度。
- a recognition of the vertical fracture-developed section and fractural occurrence for it using dip log, full-bore imaging microlog and dipole shear imaging sonic logging; 利用地层倾角测井、全井眼微电阻率成像测井、偶极横波成像测井等技术,识别出了砂砾岩储集层在纵向上的裂缝发育段及裂缝产状;
