采用多矿物模型划分地层岩性

Division of Formation Lithology with Multi-Mineral Model

贾文玉 田素月 秦　勇

中原石油勘探局测井公司

Well-Logging Company , Zhongyuan Petroleum Exploration Bureau , Henan 457001 P. R. China

一种能够充分利用测井资料的测井解释处理软件———多矿物模型,通过将每种测井资料与地层中的各种矿物及其含量建立函数关系,获取地层中的各种矿物含量,并以此准确划分地层岩性、计算储层参数,大大提高了测井解释处理的精确度;还可以利用现有的测井资料有效合成一段缺失的测井曲线,使得因故缺失某种测井资料的井段也能够得到全面的解释处理。

A new well-logging interpretation software—multi-mineral model is developed with well-logging data. This software can obtain the mineral-content sof well formation by setting up the relationship functions between every well-logging data and the mineral-content s of formation , and consequently the formation lithologies can be determined , the reservoir parameters can be computed on that , so the well-logging interpretation accuracy is risen greatly. A section of artificial logging curve can also be compiled by using other obtained logging data , so a full logging interpretation process can be getting on as well as in a section with a logging curve lost . Practical uses bear out the advantages of the software. This paper introduces mainly the interpretation and data process methods of determining the formation lithologies , compiling artificial logging curves and computing reservoir parameters with the multi-mineral model.