于涛;

• 1:大庆钻探工程公司测井公司

摘要(Abstract)：

为了准确获得地层真电阻率,确定地层侵入关系,将非线性反演理论与Morozov偏差原理结合,建立双感应测井(Dual-Induction Log)资料的自适应正则化全参数反演算法。首先根据Tikhonov正则化反演理论,将双感应测井资料反演问题变为含稳定泛函非线性目标函数极小化问题;再利用Gauss-Newton算法确定极小化解。在测井资料的最佳拟合迭代过程中,将Morozov偏差原理及Cholesky分解技术结合,建立一套自适应选择正则化因子方法;最后对大庆油田的实际测井资料进行反演处理。反演结论与试油结果表明,该算法在处理薄层、薄互层时能够取得更为满意的效果。

关键词(KeyWords)：自适应正则化反演;Morozov偏差原理;稳定泛函;Fréchet导数;双感应测井

Abstract:

Keywords:

基金项目(Foundation):

作者(Author):于涛;

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