摘要
本文应用半解析半数值的高效分析方法,给出轴对称二维任意非均匀介质中位场格林函数的数值解,并利用表面积分方程匹配各种电极系不同的电位条件,从而获得具有轴对称激励的各种直流电阻率测井的视电阻率响应。通过与其他方法的数据对比,证明了本文方法的高精度和高效率.本文还简介了一些相关的应用成果。
The numerical solution of Green's function for the potential in 2-D arbitrary inhomo-geneous media with axial symmetry has been given by use of efficient half-analytical, half-numerical hybrid method. Then the logging responses of various kinds of the DC resistivity log with axisym-metric excitation have been obtained by using surface integral equation method to match the boundary conditions on the electrodes of the logging sonde. Comparing the results with that obtained by other methods, one can see good precision and efficiency of the given method. Some applications of the numerical modeling have been also discussed.
基金
国家自然科学基金
关键词
直流电阻率测井
数值模拟
电测井
石油
DC resistivity logging, Apparent resistivity response, Numerical modeling
