地震剖面

利用人工神经网络的BP算法，对二维叠后地震剖面的地层岩性进行估计。

Lithology of2-D post-stack seismic section can be predicted with the use of BPalgorithm of neural network .

通过资料处理，可以得到井口附近的一段高分辨率的P波地震剖面、PS波地震剖面，也可以提取地层属性参数。

By data processing , P-wave seismic section , PS-wave seismic section can be attained and also the layer attribute can be extracted .

基于ART神经网络的地震剖面反褶积新方法

Seismic Deconvolution Based on ART Neural Network

垂直地震剖面偏移对VSP方法的实际应用有着重要的意义。

VSP migration is of great significance to good VSP application .

其处理结果得到的相当于逆VSP的地震剖面。

The processing result obtained is equivalent to RVSP seismic profiles .

综合MT、地震剖面、重力和磁法资料，提出了综合物探解释流程，并且以地质理论为指导，以中生界为主要研究层系，开展盐阜地区的综合物探资料解释。

Integrated geophysical study was implemented on the acquired data with target of the Mesozoic strata .

VSP和常规地震剖面的水平分辨率

The horizontal resolutions of t ? E VSP and conventional seism C sections

VSP（垂直地震剖面），是一种地震观测方法。

VSP ( vertical seismic section ), is a kind of earthquake observation method .

此结果也可以直接用于VSP（垂直地震剖面）和井间地震资料的分析研究。

The result can also be used directly to analyze VSP and cross-well seismic data .

利用SVD法重建地震剖面

Seismic section reconstitution by SVD technique

AVO处理的关键是保持振幅特征，获得高保真的地震剖面。

The key of AVO processing is to keep amplitude feature to obtain high fidelity seismic section .

介绍了VSP（垂直地震剖面法）技术的基本原理、零偏和非零偏两个方面的数据采集与处理。

This paper presents the VSP technology principle , data collection and interpretation in both zero and non-zero offset distance sides .

本文从动力学系统原理出发，论述了混沌理论中的李指数（Lyapunov）法，并从地震剖面上提取李指数，并应用李指数来区分和识别储集层的岩性变化特征和含油气性。

Based on the nonlinear dynamic principle , the paper describes method of Lyapunov exponent in chaos theory . The Lyapunov exponent is computed from seismic section .

美国SEG协会把地震剖面的极性规定为SEG正常极性和SEG反正常极性。

American SEG defines seismic record polarity as SEG normal polarity and SEG reverse polarity .

利用地震剖面探测、地震CT和大地电磁测深等结果显示，在天池火山区地壳内存在低速、低密度及低阻异常体，该异常体可能表明壳内岩浆囊的存在。

The results of the seismic prospecting , seismic tomography and magnetotelluric sounding show that there is a low velocity , low density and low resistivity abnormal body , suggesting a magma chamber in the crust of this region .

利用从地震剖面得到的倾角信息估算入射波方向，可以大幅度提高Kirchhoff偏移的计算效率。

Computational efficiency of Kirchhoff migration can be improved drastically by using slope information from seismic section to estimate the incident wave direction .

在地震剖面上天然气水合物主要特征有：BSR、振幅异常、速度异常、AVO异常等标志特征。

In seismic section , the character of BSR , amplitude anomaly , velocity anomaly and AVO anomaly etc. show the existence of gas hydrates .

SVD去噪技术对构造简单地区，特别是地层近水平的情况下的地震剖面的去噪效果是十分明显的；

The singular value decomposition ( SVD ) technology is a very effective method to eliminate the noise in a simple structure , especially that on the horizontal layer .

此系统可准确标定多波地震剖面与地质层位置对应关系，弥补了传统同类软件仅针对P波标定的不足，为进一步的多波地震资料解释奠定了基础。

The system can accurately mark the corresponding relations between multi-wave seismic profile and geological layer location , at the same time make up the disadvantage of similar type of traditional software which only apply to P wave , and establish a foundation for further multi-wave seismic data interpretation .

为了提高垂直地震剖面（VSP）成像质量，首次将高斯束偏移方法应用于VSP观测系统。

In order to improve the quality of vertical seismic profile ( VSP ) imaging , the Gaussian-beam migration ( GBM ) was applied to VSP for the first time .

要充分将多分量资料的成果与常规单分量地震剖面和解释成果进行对比，利用三分量VSP或全波列测井等信息，做好多分量地震数据的解释。

Interpretation of multicomponent seismic data should be conducted via comparing between multicomponent seismic sections and one-component seismic sections as well as utilizing 3-D VSP or full wave logging information .

这为在QT平台上实现地震剖面同相轴追踪提供了方便，同时也有利于地震解释人员更精确、高效地进行同相轴追踪。

It provides convenience for the algorithm which realizes tracking of the events based on QT platform . Furthermore , seismic interpreters can track the events more exactly and efficiently by using this technology .

把这三种属性的分量分别用红绿蓝的颜色值来表示，绘制到地震剖面图上，这样就形成了RGB多属性显示的地震剖面图。

The three attributes are assigned to . red , green and blue color components , which are mixed together to be a seismic plot , the RGB based multi-attributes seismic plot .

地震剖面所能识别的断层断距通常大于15m，小断层的识别是油田地质研究中的一大难题。

Seismic profiles can only detect faults with throw larger than 15m . The recognition of small scale faults in oil field geologic study is problematic .

作者根据多年的实践，从地震剖面的阻抗特征，结合测井（声波、密度及VSP测井）资料，总结出了一套判别地震资料极性的标准及一些辅助方法。

Based on impedance characteristics of seismic profile and well logging ( acoustic , density and VSP ) data , the author summarized the standard and some auxiliary methods for determining polarity of seismic data .

了解VSP资料和地面地震剖面在记录方式、基准面选择、低降速带校正方法以及资料处理过程是用好VSP资料、做好层位标定的前提。

Hence , to understand the record mode , datum-level selection , weathering and sub-weathering correction method and data processing of VSP data and seismic profile are prerequisites for well utilizing VSP data and horizon calibrations .

非零偏移距垂直地震剖面（VSP）模型的制作是非零偏移距VSP资料处理的关键环节之一，是VSP-CDP转换的基础。

An important step in processing offset vertical seismic profiling ( VSP ) data is to set up a model ( offset VSP model ), which is essential to VSP-CDP conversion .

垂直地震剖面法（VSP）勘探技术，是地震剖面与地质层位之间的桥梁，能为利用地面地震反射信息进行构造精细解释、储层横向预测和油藏描述提供可靠的资料依据。

Vertical seismic profile technique , a bridge connecting seismic section and geologic horizons , can provide reliable data for fine interpretation of structures , lateral prediction of reservoirs and reservoir characterization with surface seismic reflection information .

然后，推导了井间（CBP）、垂直地震剖面（VSP）和地面反射（SRP）三种不同的数据采集方式下的衍射CT的重建公式；

Then we have derived the diffraction tomography reconstruction formulas under three independent data acquisition configurations such as the cross boreholes profiling ( CBP ), the vertical seismic profiling ( VSP ) and the surface reflection profiling ( SRP ) .

本文提出的方法是大庆石油管理局自行研制的新的人工合成声波测井技术，它的分辨能力不但高于经常规方法处理的地震剖面，也明显地高于经国外的Seislog和Velog处理的剖面。

The method introduced in this paper is a new synthetic acoustic log technique developed by Daqing Petroleum Administrative Bureau itself .