利用偶极横波测井计算地应力方向的公式法。
And the terrestrial stress direction also can be calculated by dipole wave data.
在慢速地层中偶极横波测井不能很好地压制纵波，致使横波首波的检测存在一定的难度。
Since P-Wave can not be suppressed in dipole shear wave log in slow formation, there are some difficulties in picking the first S-Wave arrival.
实际资料处理结果表明，该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
在井眼声波测井中，这些波是横波、弯曲波、斯通·利波。
In borehole sonic logging, these may be the shear, flexural and Stoneley waves.
介绍了利用从偶极声波成像测井资料中提取的斯通·利波和横波各向异性，对火成岩裂缝的有效性进行评价的原理和方法。
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.
在测井资料中，通常缺乏的就是横波资料，这给地震波正演模拟和地震反演都带来很大的困难。
It's difficult to deal with seismic acoustic forward modeling and seismic inversion for the absence of shear wave data usually.
利用纵波和横波的衰减确定裂缝位置的一种声波测井方法。
An acoustic log that USES the attenuation of compressional and shear waves to locate fractures.
研究表明，DSI测井的横波各向异性资料在判断地层各向异性、确定地应力方面具有良好的应用前景。
It showed that the transverse wave of DSI logging data might have important application in distinguishing of formation anisotropy and determination of crustal stress.
理论认为当储层中存在着天然气时，会导致纵波时差增大，横波时差不变，密度测井值减小，中子孔隙度减小。
Theoretically, when gas exists in reservoir, longitudinal wave offset time will increase and transverse wave offset time will not change and density will decrease and neutron will decrease, too.
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.
本文论述了利用声波全波列数字测井资料提取横波的两种方法：子波逼近法和相似相关法。
Two methods are discussed in this paper for estimating shear-wave from full waveform acoustic logging records: wavelet-approach and semblance.
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.
单极子换能器常用于标准声波测井，也可以用于阵列声波测井中记录横波和斯通·利波。
Monopole transducers are used in standard sonic logs, and also in array-sonic logs to record shear and Stoneley waves.
研究表明，DSI测井的横波各向异性资料在判断地层各向异性、确定地应力方面具有良好的应用前景。
It showed that the transverse wave of DSI logging data might have important application in distinguishing of formation anisotropy and deter...
研究表明，DSI测井的横波各向异性资料在判断地层各向异性、确定地应力方面具有良好的应用前景。
It showed that the transverse wave of DSI logging data might have important application in distinguishing of formation anisotropy and deter...
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