弯曲波模式的速度和横波速度近似相关。
The velocity of the latter is closely related to that of the shear wave.
一般地说横波速度大约是纵波速度的一半。
Normally the shear velocity is about half of the compressional velocity.
本文的结果对研制横波速度测井仪是有意义的。
The results of this study may be meaningful for designing a shear wave logging tool.
讨论了反演所得地壳与上地幔的横波速度分布特征。
Finally, the characteristics of shear velocity distribution in the crust and the upper mantle obtained by inversion has been discussed.
对具有较大平面的岩块，可以利用纵波探头测定横波速度。
However, the velocity of S-wave in a rock block with a large plane can be measured with the probes for P-wave.
利用回归分析得出纵、横波速度与孔隙度、泥质含量线性相关。
The regression analysis shows that the velocities are liner relationship related to porosity and clay content. Using such regression formula to sonic logging data indic…
本文提供了地震横波反射法及横波速度在工程勘察中的应用实例。
This paper provides an example of the application of seismic S-wave reflection method and S-wave velocity to engineering investigation.
而对于致密含气砂岩，纵、横波速度比及泊松比对流体变化相对较为敏感。
For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.
不同形式的随机孔隙岩石模型中纵波速度和横波速度的变化程度各不相同。
Different heterogeneous random porous rocks have different scattering effects on wave speeds. The elastic wave speeds caused by larger pore are more distinguishable.
由多道面波法和地震反射法测得的横波速度则作为堤身的刚度的良好判别指标。
The S-wave velocities estimated from MASW and seismic reflection surveys were used as the good indices to evaluate the stiffness of levee body.
假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。
The assumption is made that P-wave velocity, S-wave velocity, density and Q factor show lateral piecewise linear continuous variations in block media.
该方法操作步骤包括横波速度预测、流体替换、属性优选、属性分类和储层预测等。
The prediction method includes five sequential steps of shear wave velocity estimation, fluid substitution, attribute optimization, attribute classification and reservoir prediction.
纵波的固有频率因仪器的存在而增大，纵波幅度还受地层的纵、横波速度比的影响。
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.
我们用MTS的超声波测试系统研究了地表岩样饱和水及孔隙压力对纵横波速度的影响。
Using MTS Ultrasonic Measurement System, we studied the influences of water of saturation and pore pressure on velocities of compressional (P) and shear (S) waves in exposure rock specimens.
利用纵横波速度比研究岩性的横向变化及含水裂隙，为生产矿井所面临的现实问题服务。
Using the speed ratio of longitudinal wave and transverse wave to research transformation of lithology along crosswise and water-carrying fractures, thereby service...
提取出其中的纵波、横波速度信息，并与实验室岩心声波测量结果和测井结果进行了对比。
With the measured P and S wave velocities and log-derived densities of the same interval, rock mechanical parameters of this pre-borehole are roughly calculated.
应用实例说明，地下倾角较小时，横向速度变化不大，同一口井反演出的横波速度相似性较好。
The applied real cases show the similarity of S-wave velocities inverted for same a well is better under the condition of small underground dip and gentle variation of lateral velocities.
横波速度由于更能直接反映岩石的物理性质，从而在许多工程、环境和地下水勘查中有重要作用。
The shear (s) -wave velocity of near-surface materials and its effect on seismic-wave propagation are of fundamental interest in many engineering, environmental, and groundwater studies.
利用密度与体积模量以及密度与横波速度的交会图分析可以进行文西地区气藏预测和含气丰度预测。
The gas pool prediction and gas bearing abundance prediction can be carried out through the cross plots of density and bulk modulus with density and shear velocity.
推演说明在弹性地层的井眼中，伪瑞利波不可能以横波速度传播，但其群速度与横波速度可以非常接近。
Theoretical deduction says that in a borehole penetrating elastic formations, pseudo Rayleigh wave does not take shear-wave velocity, but its group velocity may be very close to shear-wave velocity.
虽然可以采用传统的DSWI方法，但由于墨西哥湾盐丘附近的沉积物横波速度很低，DSWI的探测范围严重受限。
While typical DSWI methods can be employed, the DSWI range of investigation is limited because of the extreme low shear velocities of the sediments surrounding salt domes in the Gulf of Mexico.
试验结果表明：不论应力应变曲线上的直线部分是否明显，都可以用检测横波速度最大值的办法确定岩石的应力门槛值；
Whatever the straight line part of the stress-strain curve may be, it is always possible to find out the rock stress threshold by the peak value of the S-wave velocity.
根据大量的实验资料，本文分析了砂岩样品的纵横波速度和有效压力的关系，对实验结果进行了回归分析，并用裂隙闭合理论进行了解释。
On the base of large experimental data set, the influence of effective pressure on rock velocities is analyzed with regression method and the theory of crack closure.
泥质含量比孔隙度对纵、横波速度的影响小．但泥质含量要比方解石或白云石对纵、横波的影响大得多，理论考察和实验研究的结果一致。
The results shows that porosity of rock is the main factor affecting the velocity of longitudinal wave. The shale content has a smaller affect on the wave velocity than sh…
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距，炮点到共转换点的水平距离就可以通过解一个四次方程求出。
Given the velocity ratio of S-to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
在低裂缝密度(小于6 %)时，裂缝密度和横波快慢波速度的关系与理论预测相符。
In case of low crack density (less than 6%), the relationship between crack densities and velocities of the fast and slow shear waves agrees well with theoretical prediction.
在低裂缝密度(小于6 %)时，裂缝密度和横波快慢波速度的关系与理论预测相符。
In case of low crack density (less than 6%), the relationship between crack densities and velocities of the fast and slow shear waves agrees well with theoretical prediction.
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