石油学报 ›› 1991, Vol. 12 ›› Issue (2): 40-50.DOI: 10.7623/syxb199102006

• 地质勘探 • 上一篇    下一篇

一种改进的数字测井最优化解释方法

肖立志   

  1. 江汉石油学院
  • 收稿日期:1989-04-30 出版日期:1991-04-25 发布日期:2013-07-08

AN IMPROVED METHOD OF OPTIMUM INTERPRETATION OF WELL LOGS

Xiao Lizhi   

  1. Jianghan Petroleum Institute
  • Received:1989-04-30 Online:1991-04-25 Published:2013-07-08

摘要: 本文针对GLOBAL测井解释方法Incoherence函数所可能出现的非凸性.对数字测井最优化解释方法进行了改进,提出一种新的模型.试算结果表明,新方法除了求解上的明显效果外,还能够提供有关优选测井系列和响应方程以及定量评价求解结果的辅助信息:数据分辨矩阵、模型分辨矩阵、解的协方差矩阵和求解结果的置信范围.

关键词: 数字测井, 测井解释方法, 最优化, 分辨矩阵, 响应方程, 协方差矩阵, 测井数据, 广义逆矩阵, 测井系列, 求解

Abstract: In reference,it has been shown that the incoherence functions of GLOBAL(mark of schlumberger)is not necessarily a convex function.To improve the solution of optimum interp retation of well lags,a new model and algorithm is proposed in this paper.Simulation tests reveal that the new model has advantages ,not only in salving the problem of well logging analysis,but also in selecting the well logging series and evaluating the solutions.Some important indicators-data:esolution matrix, parameter resolution matrix and the confident region of the solution-can be provided in this method.