从数值模拟结果看倾斜单轴电性各向异性参数对电、电磁测井信号的影响

IF 1.2 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Russian Geology and Geophysics Pub Date : 2023-02-09 DOI:10.2113/rgg20224506

M. Epov, I. Moskaev, O. Nechaev, V. Glinskikh

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引用次数: 0

摘要

为了研究倾斜的单轴电性各向异性参数对电、电磁测井信号的影响，进行了均匀模型和分层模型的数值模拟和对比分析。采用基于有限元法的电导率张量主轴倾斜的空间非均质模型电阻率测井信号三维数值模拟算法进行计算。研究结果为更准确地估计以电导率张量主轴倾斜为特征的西西伯利亚前侏罗系基底裂缝性碳酸盐岩储层电物性提供了可能。

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Effect of Tilted Uniaxial Electrical Anisotropy Parameters on Signals of Electric and Electromagnetic Logging Soundings according to Results of Numerical Simulation

—To study the effect of tilted uniaxial electrical anisotropy parameters on electric and electromagnetic logging signals, their numerical simulation and comparative analysis in homogeneous and layered models have been performed. An algorithm for three-dimensional numerical simulation of resistivity logging signals in spatially heterogeneous models with tilted principal axes of the electrical conductivity tensor, based on the finite-element method, was used in the calculations. The obtained results indicate the potential for a more accurate estimation of electrophysical properties of fractured carbonate reservoirs of the pre-Jurassic basement of West Siberia, which are characterized by the tilt of the electrical conductivity tensor principal axes.

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来源期刊

Russian Geology and Geophysics 地学-地球科学综合

CiteScore

2.00

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal publishes original reports of theoretical and methodological nature in the fields of geology, geophysics, and geochemistry, which contain data on composition and structure of the Earth''s crust and mantle, describes processes of formation and general regularities of commercial mineral occurrences, investigations on development and application of geological-geophysical methods for their revealing. As to works of regional nature, accelerated publication are available for original papers on a variety of problems of comparative geology taking into account specific character of Siberia, adjacent Asian countries and water areas. The journal will also publish reviews, critical articles, chronicle of the most important scientific events, and advertisements.