Rock Quality, Seismic Velocity, Attenuation and Anisotropy.

岩石质量，速度，衰减及各向异性。

Seismic velocity can occasionally be affected by porosity and temperature.

孔隙率和温度有时也能影响地震波速。

Seismic velocity can occasionally be affected by porosity and temperature .

孔隙率和温度有时也能影响地震波速。

Seismic velocity is one of the most important parameters in seismic exploration for oil and gas.

地震波速度是地震勘探中最重要的参数之一。

Extracting and interpreting the seismic velocity spectrum data manually is kind of tedious work.

人工整理地震速度谱资料是比较繁琐的。

So we can elementary know tectonic character and geologic attribute of basin according to the seismic velocity.

因此，利用地震速度可以初步了解盆地的构造特征和地质属性。

The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA.

本文使用遗传算法对均匀弹性介质进行波速和震源函数的联合反演。

These two factors, which affect the accuracy of the method of seismic velocity a great extent, must be paid our attention.

以上两因素对波速比方法的预报效率影响甚大，值得人们重视。

The geological survey should include the seismic velocity structure in the medium above the bedrock besides the active fault survey etc.

地质调查除活断层等内容外，基岩以上的地质构造以及地震波速结构的调查也是必要的。

Numerical experiments show that the theoretical values of the seismic velocity and source function are matched well with the inversed ones.

通过数值计算结果表明，波速和震源函数的理论值与反演值比较吻合。

Wave equation time migration fails to image subsurface geological structure correctly in the case of obvious lateral seismic velocity variation.

当介质的速度在横向上存在较大的变化时，波动方程时间偏移不能使地下的构造正确成像。

With the help of model techniques, we can determine seismic velocity in porous media by accounting for viscous fluid effects on wave propagation.

借助模型技术，可以利用孔隙介质中粘滞流体对地震波传播速度的影响预测地震波传播速度，降低反演结果的不确定性。

In order to spread this technique, I have made trial VSP modeling during shothole drilling: shallow seismic velocity survey during shothole drilling.

为了应用和推广这一新技术，我们做了随钻VSP模拟试验，即地表浅层炮井随钻地震速度测量。

The lateral and vertical variations of seismic velocity are examined quantitatively based on the VSP data from Su 18 and Su 20 Wells in Hailaer Basin.

应用海拉尔盆地苏18和苏20两口井的VSP资料，定量地研究了地震速度在横向上和纵向上的变化情况。

A refraction seismic tomographic method is proposed for the first time to determine the distribution of seismic velocity in shallow levels in Talimu Basin.

首次提出了用于解决塔里木盆地地震资料数据处理中浅部地震速度分析的折射层析成象方法。

By using the data of seismic velocity spectrum, formation pressure may be predicted, which can direct the research work of drilling and other explorations.

利用地震速度谱资料预测地层压力，可以有效地指导钻井和其它油气地质研究工作。

The variation of seismic velocity in shallow levels has important influence on velocity modelling and reflection imaging, which is confirmed by borehole data.

这一变化对建立地下速度模型及反射构造成象有较大影响，钻井资料证实了这一结果。

Verifications of these recursive equations indicate that they can be used to deduce the composition of deep-seated materials based on the data of seismic velocity.

对这些方程进行验证表明它们能够用于地震波速推断深部物质成分。

Depth conversion, ideally, is an iterative process that begins with proper seismic processing, seismic velocity analysis and study of well data to refine the conversion.

深度转换，是一种迭代过程，从适当的地震处理开始，经地震速度分析和井中数据研究，逐步地精练转换过程。

A method of gravity inversion for calculating basement of sedimentary basin using the data of seismic velocity spectrum, gravity anomalies, and water depth was built up.

建立了一种利用地震波速度谱、重力和水深资料反演沉积盆地基底的方法。

Theoretical and real processing results show that the method is very suitable to the image of steep-dip seismic data in the area where seismic velocity varies with depth.

理论与实际资料的处理结果表明，该方法对速度随深度变化地区的大倾角反射成像是十分有效的。

Seismic velocity anisotropies are mainly caused by lattice preferred orientation( LPO) , shape preferred orientation( SPO) of the major minerals, and oriented microcracks.

影响各向异性的主要因素有岩石的结构构造、矿物的晶格优选方位（LPO）、形态优选方位（SPO）和定向微裂隙。

Through the research of the use of fractal methods for seismic velocity inversion under multiple constraint, Concrete compute method and process were put forward in this paper.

本文介绍了分形理论在井约束地震速度分形反演方面的应用原理，提出了具体的方法、计算流程。

At the suddenly changed position of the crustal structure, all the seismic velocity interfaces in the crust has been crooked or even broken, this suggests probably a fault belt.

在这个突变带上地壳内所有速度界面均发生扭曲甚至错动，它可能是一个断裂带；

Measurements of physical properties indicate that the rutile - bearing eclogite, due to its very high seismic velocity and density, can produce reflections and gravity anomalies.

岩石物性测定表明，金红石榴辉岩的纵波速度极高，会产生明显的反射与重力异常。

A non-linear higher order polynomial fitting method is also proposed to transform the resistivity profile into seismic velocity profile under the control of a micro-well logging velocities.

同时，提出了在少量微测井控制下，由电阻率剖面转换地震波速度剖面的非线性高阶多项式拟合算法。

An interface that might be represented by a seismic reflection, such as the contact between two bodies of rock having different seismic velocity, density, porosity, fluid content or all of those.

由地震反射表示的一个界面，例如，具有不同的地震速度、密度、孔隙度、流体含量的两个岩层之间的界面。