基于共轭梯度法的垂直有限线源三维电阻率反演

3D resistivity inversion of vertical finite line source using conjugate gradients

利用垂直有限线源研究油田注水分布和剩余油分布成为一种新型电测方法。本文对该方法实际应用的有效性进行了分析和说明,并利用共轭梯度迭代技术实现了垂直有限线源三维电阻率反演。结果表明,反演稳定可靠,计算速度快。

Utilizing vertical finite line source to study surplus oil distribution of oilfield become a new electric-measurement method in recent years. This paper analyzes the applied effect of this method, then solves the vertical finite line source 3D resistivity inversion by using conjugate gradient relaxation. The result indicates the method is stable, reliable and speedy.