THE PARALLEL COMPUTION OF 3DWAVE-EQUATIO PRESTACK DEPTH MIGRATION 

Oil industry and scientific groups have been focusing on the study of the seismic 3-D wave equation prestack depth migration.The key problem of which is hand...
中国科学院地质与地球物理研究所2002学术论文摘要汇编  2002-12-01 下载次数(4)| 被引次数(0)

Techniques for Improving the Accuracy of Finite Element Solution of MT Data 

电磁法由于其频谱广,是地球物理勘探中应用最为广泛的方法。方法是用来研究工程中的浅层地下,环境中的应用利用无线电大地电磁法(MT)或深的地球结构利用大地电磁方法。本文主要介绍地球物理学应用中的电磁方法及电磁波在地球中传播的基本概念。由于不同类型岩石的电性差异较大,在各种电磁物探方法中均采用岩石和矿物的电性作为研究对像。因...
中国地质大学(北京)  博士论文  2018年 下载次数(34)| 被引次数()

The Formation Mechanism and the Suppression Technology Study of Multiple Wave of the South Yellow Sea Seismic Data 

China has nearly 300×104km2 blue land, which is rich in oil and gas resources. However, the exploration and development of China s oil and gas resources ...
中国海洋大学  博士论文  2010年 下载次数(110)| 被引次数(0)

Wavepath tomography using a monochromatic frequency-domain wave equation 

Traveltime tomographys requires an algorithm for efficient and accurate computation of traveltimes and their paths,i.e.,traveltime derivatives with respect t...
中国科学院地质与地球物理研究所2006年论文摘要集  2007-02-01 下载次数(11)| 被引次数(0)

Improving seismic interpretation: a high-contrast approximation to the reflection coefficient of a plane longitudinal wave 

Linearized approximations of reflection and transmission coefficients set a foundation for amplitude versus offset(AVO) analysis and inversion in exploration ge...
《Petroleum Science》  2013年 第04期 下载次数(57)| 被引次数(16)

Locating Microseismic events using elastic wave-equation migration operators 

Microseismic monitoring is a widely used measurement tool for hydraulic fracturing,and become more and more important in the oil and gas industry.The pre-exi...
2014年中国地球科学联合学术年会——国际专题(2)Micro…  2014-10-19 下载次数(9)| 被引次数(0)

Forward modeling to improve seismic reflection energy of a protective coal seam based on Zoeppritz equation 

In seismic exploration for coal, seismic waves are very difficult to transmit downward because of high velocity protective layers, making the reflection informa...
《Journal of China University of Mining & Technology》  2008年 第01期 下载次数(89)| 被引次数(9)

Vertical Sediment Concentration Distribution in High-Concentrated Flows:An Analytical Solution Using Homotopy Analysis Method 

Transport of suspended sediment in open channel flow has an enormous impact on real life situations,viz. control and management of reservoir sedimentation, geom...
《Communications in Theoretical Physics》  2018年 第09期 下载次数(10)| 被引次数()

Multisymplectic Hamiltonian Formulation for a One-Way Seismic Wave Equation of High-order Approximation 

Based on the Lagrangian density and covariant Legendre transform,we obtain the multisymplectic Hamiltonian formulation for a one-way seismic wave equation of...
中国科学院地质与地球物理研究所二○○四学术论文汇编·…  2004-12-01 下载次数(9)| 被引次数(0)

位场波数域转换算法误差方程及其应用(英文) 

偏移抽样理论是本文作者建立的更普遍的傅立叶变换数值计算的理论。基于这一理论,作者在现文中导出了位场波数域转换算法误差方程,该方程不仅给出了更灵活的位场波数域转换算法,而且揭示了位场波数域转换中的误差规律。源于该方程的DFT0ηη(0.5,0.5)化极技术可以大大提高低纬度(包括磁赤道)化极磁异常的分辨率和精度。该方程所...
《Applied Geophysics》  2009年 第03期 下载次数(106)| 被引次数(3)

A ROBUST METHOD OF EXTRACTING ANGLE-DOMAIN COMMON-IMAGE GATHERS FROM SHOT-PROFILE WAVE EQUATION MIGRATION 

Shot-profile pre-stack depth migration is quite attractive for sparse-shot wide-azimuth geometries.Meanwhile,angle-domain common-image gathers(ADCIGs) have b...
中国科学院地质与地球物理研究所2012年度(第12届)学术…  2013-01-17 下载次数(15)| 被引次数(0)

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