1) interval velocity of shear wave
横波层速度
2) 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。
3) 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。
4) shear velocity
横波速度
1.
Calculation procedure of shear velocity curve on petrophysics;
岩石物理横波速度曲线计算技术
2.
And continuous measurements of compressional velocity and shear velocity were made in the course of displacing.
由于疏松砂岩声波纵、横波速度的影响因素较多,因此有必要对各影响因素进行定量研究。
6) P- and S-wave velocities
纵横波速度
1.
The sonic probe is newly-developed for the measurement of core P- and S-wave velocities, with a unique design that effectively suppresses P-wave disturbance, enhances torsional vibration, greatly increases signal-to-noise ratio and easily determines the location of the first S-wave.
将声波探头安装在岩心夹持器中,就可在高温(150℃)高压(90MPa)下模拟地层条件的同时获取岩心的纵横波波形,读出纵横波时差,进而算出所测岩心的纵横波速度。
补充资料:干涉沉降速度差分层学说
干涉沉降速度差分层学说
doctrine of stratification on the basis of density difference in hindered settling rate
ganshe ehenjiang sudueha feneeng xueshuo干涉沉降速度差分层学说(doetrine of Strat-ifieation on the basis of differenee in hinderedsettling rate)美国人蒙罗(H.5.Monroe)为了解释跳汰选矿能够分选宽级别物料的事实,在1888年提出的一种动力分层学说,又称蒙罗分层学说,属于垂向分层理论。该学说认为粒群在有限空间内的沉降分层是按照各个颗粒的干涉沉降速度的大小自下而上排列的。蒙罗将颗粒的干涉沉降比作在窄管中降落。他取直径为d的颗粒,在直径为D的窄管中进行试验,得到干涉沉降速度公hs的计算式为 vhs一v。(1一几o·5)(1)式中v。为按牛顿公式计算的颗粒自由沉降末速;入为粒群的容积浓度,在此d/D一寻了。进入同一层次的不同密度颗粒可认为干涉沉降速度相等,即v、l一姗:,由此蒙罗得到干涉沉降等降比eks的计算式为 又,a,一刀11一又罕·5、2 ehs一寸.~不~-今{了一下几J.(2) 一稍d:占1一尸(i一又旦·“)式中al、a:分别为轻、重矿物的密度;p为介质密度。况一p/占,一p即是按牛顿公式计的自由沉降等降比。。由于在同一层次中轻矿物粒度dl总是大于重矿物粒度d:,故局部轻矿物的容积浓度久1也总要大于重矿物的容积浓度又2。结果由上式可见。hs>e。。当颗粒为球形,重矿物细颗粒充填在轻矿物粗颗粒间隙中,接近自然堆积状态时,蒙罗计算出最大的干涉沉降等降比。、一7.8e。,并以此解释了当粒群浓度增大后,在垂向介质流中可以分选宽级别原料的事实。 (不J‘玉波)
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