摘要
在双侧向测井反演中,采用差分进化和Levenberg-Marquardt方法进行了三参数(侵入半径、侵入带电阻率、原状地层电阻率)混合反演,从实际计算来看,反演结果精确度较高。由于差分进化优化算法对初值依赖性较低,算法也较为稳定,这就增加了反演结果的可信度。
During the inversion of the dual-lateral log,Differential evolutional and Levenberg-Marquardt method is used to invert the three parameter(the radius of the invasion zone,the resistivity of the invasion zone,the resistivity of the destination formation),the result of Inversion has higher accuracy of the computing results from actual data.Owing to the DE algorithm is lower to the dependence of initial values,the algorithm has higher stability,and enhances the reliability of inversed results.
出处
《物探化探计算技术》
CAS
CSCD
2009年第4期377-380,共4页
Computing Techniques For Geophysical and Geochemical Exploration
基金
山东省自然科学基金项目(Y2007F25)
中国石油大学优秀博士学位论文培育基金(B2007-05)
关键词
双侧向测井
反演
差分进化算法
dual-lateral log
inversion
differential evolutional algorithm
