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松潘—阿坝地区三叠系成岩演化实验研究

石油实验地质

2005年 27卷第5期

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Title

EXPERIMENTAL STUDY ON DIAGENETIC EVOLUTION FOR TRIASSIC IN THE SONGPAN-ABA AREA

作者

杨琦刘伟新

Authors

Yang Qi Liu Weixin

单位

中国石化, 石油勘探开发研究院锡, 石油地质研究所, 江苏, 无锡, 214151

Organization

Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

摘要

通过实验研究,利用国际标样标定,系统分析了松潘-阿坝地区三叠系的岩石矿物相、伊利石结晶度、粘土矿物类型含量及组合、混层矿物混层比、镜质体反射率等评论指标,研究了该区的成岩演化特征,并对成岩变质阶段进行了划分,为该区的成岩演化研究和油气成藏条件研究提供了评价依据。

Abstract

In this paper,diagenetic features have been studied and diagenetic stages identified for Triassic in the Songpan-Aba area by experimental analysis on diagenetic indicators,such as petrologic analysis on mineral facies,investigations of clay minerals and assemblage features,illite crystallinity determination colibrated to standardized scale(CIS),percent of smectite layer in mixed clay minerals,vitrinite reflectance determination,and thus help the diagenetic study of sedimentary rocks and pool forming conditions.

关键词：

伊利石结晶度; 粘土矿物; 成岩演化; 实验研究; 松潘—阿坝地区;

Keywords:

illite crystallinity; clay mineral; diagenetic evolution; experimental study; the Songpan-Aba area;

基金项目

DOI

https://doi.org/10.11781/sysydz200505534