1) wave velocity
波速度
1.
A new fault location algorithm using the difference of wave velocity between zero mode component and aerial mode component of traveling wave is presented.
针对零模分量波速度随频率变化大的问题,该文通过分析发现了零模波速度的变化规律以及和波头李氏指数的对应关系,两者都只与距离有关,且不受其它因素影响,这样根据波头李氏指数,通过样条插值,就可以估算出零模波速度,解决了零模波速度难以确定的问题。
2.
The elastic wave velocity, attenuation and permeability of mudstone, siltstone, sandstone and graywacke were determined in triaxial pressure apparatus; and the fabrics of sample rocks were analysed respectively.
在三轴围压容器内对泥岩、粉砂岩、砂岩和杂砂岩中的弹性波速度、衰减和渗透率进行了测量,并对样品作了显微组构分析。
2) phase velocity
相速度波速
3) S-wave velocity
横波速度
1.
P and S-wave velocity inversions in elastic medium;
弹性波介质中纵、横波速度反演
2.
This paper, based on the full wave acoustic logging data and density logging data of 48 wells from Daqing, has built up two empirical formulas between density and P-wave velocity (DPV) and between density and S-wave velocity (DSV) relatively.
用大庆地区４８口井的全波声波测井和密度测井资料建立了大庆地区密度与纵波速度、密度与横波速度经验公式。
3.
Precise S-wave logging velocity is necessary parameter for prestack seismic inversion and prestack seismic properties analysis,however S-wave velocity information is always absent in the practical applications.
准确的横波测井速度是叠前地震反演和叠前地震属性分析的必要参数,然而实际生产中往往缺乏横波速度信息。
4) compressional wave velocity
纵波速度
1.
Based on actual core data,the experimental studies were conducted to investigate the relationships of compressional wave velocity and shear wave velocity(P-wave and S-wave) with porosity and fluid types using sandstone core samples.
结果表明,饱和不同流体岩石的声波速度不同,岩石饱和气时的纵波速度明显低于饱和油、水时的纵波速度,并且孔隙度相同时岩石饱和油时的纵波速度略大于饱和水时的纵波速度,孔隙流体类型对横波速度的影响较小。
2.
The hydrated sediments have low heat conductivity and high compressional wave velocity compared to those of the surrounding unhydrated sediments.
目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度。
3.
The olivine crystal size distribution and compressional wave velocity of trachybasalt from the Qinling-Dabie orogenic belt are measured.
对化学成分、矿物成分、矿物含量及矿物定向性相近的4块新生代粗面玄武岩样品进行了橄榄石晶体大小分布和高压条件下纵波速度测量，讨论了晶体大小分布对高压条件下岩石纵波速度测量的影响。
5) shear wave velocity
横波速度
1.
Using conventional well logging data to calculate the shear wave velocity of gas reservoir;
利用常规测井资料计算气藏横波速度
2.
Based on actual core data,the experimental studies were conducted to investigate the relationships of compressional wave velocity and shear wave velocity(P-wave and S-wave) with porosity and fluid types using sandstone core samples.
根据实际井的岩心资料,对砂岩样品的纵、横波速度与孔隙度及所含流体类型间的关系进行了实验研究,回归出了饱和气、水和油岩样的纵、横波速度与孔隙度的关系式。
3.
As a result, an optimal technique based on the Xu-White model and its workflow was obtained for shear wave velocity predication.
为了减小Xu-White模型参数提取误差对预测精度的影响,在理论研究的基础上,通过引进虚拟孔隙度变量和非线性优化算法,形成了一种基于Xu-White模型的优化测井横波速度预测技术,并建立了应用流程。
6) Pn wave velocity
Pn波速度
1.
Pn wave velocity and anisotropy in the northeastern South China Sea and adjacent region;
南海东北部及其邻近地区的Pn波速度结构与各向异性
补充资料：波速
波传播的速度。①单色波的波速v与波长λ、波源振动频率f之间的关系为：v=λf。机械波的波速由介质的弹性模量和密度所决定。在室温下，声波在空气中的传播速度约为340米/秒；电磁波在真空中传播的速度等于光速，约为3×108米/秒。②海浪波速(c)的大小取决于波长(λ)或海区水深(h)。当海区水深很大时，波速仅与波长有关，而与水深无关，即为c2=gλ2π；当海区水深很小时，波速仅与水深有关，而与波长无关，即为c2=gh。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条