摘要
本文详细地研究了用微型机进行单井测井相分析的各个步骤,提出了合并单井测井相分析结果形成区域性岩相库的方法,对于单井测井相分析,着重研究了自动分层方法和测井相与岩相的对应关系,提出了主成分活度加权方差优化分层法和测井相与岩相广义时应原则;对于多井测井相分析,提出了先分后合的原则,并由此建立了一套微型机测井相分析系统.通过该系统的实例应用,建立了一个区域性的岩相库.用该岩相库处理所得到的岩相剖面与地质剖面的符合情况良好。
The procedures of facics analysis for single well on microcomputer are studied. A method to merge the results of logfacies analysis from individual wells to form an areallithofacies data base is proposed. In respect to single well facies analysis, automatic zoningand correlation between logfacies and lithofacies are accentuated. The author proposes a zon-ing method by weight variance of principal component activity and a general principle re-lating logfacies lithofacies. With respect to multiwell study, the author proposes anotherprinciple of first-classifying-then-merging. Afterwards a logfacies analysis system onmicrocomputer is built on the methods and principles above-mentioned. Applied the systemto an oil field, an areal lithofacies data base is established, Lothofacies profiles obtained fromthe data base match well with that from geology.
