论文详情

松潘—阿坝地区高演化沥青的成因分析

石油实验地质

2004年 26卷第4期

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Title

GENETIC ANALYSIS OF THE HIGH MATURATED BITUMEN IN SONGPAN-ABA AREA

作者

金聚畅秦建中张志荣范明张渠

Authors

JIN Ju-chang QIN Jian-zhong ZHANG Zhi-rong FAN Min ZHANG Qu

单位

中国石化, 石油勘探开发研究院, 无锡实验地质研究所, 江苏, 无锡, 214151

Organization

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

摘要

经对松潘—阿坝地区窑沟志留系和当多沟泥盆系发现的沥青进行成因分析,确认窑沟志留系和当多沟泥盆系所采沥青样品为高演化固体沥青,源自于下古生界的志留系或寒武系的泥质烃源岩,热演化程度很高,为遭早海西构造运动后使古油藏破坏后的残留部分。本区沥青的成因比较复杂,为冷变质与脱沥青双重作用交替进行的结果,在后期进一步的埋深演化过程中有可能成为再生烃源岩。

Abstract

Based on genetic analysis of the Silurian bitumen from Yaogou and Devonian bitumen from Dangduogou in Songpan-Aba area,it was indicated that these bitumen samples were high maturated solid bitumen which sourced from the Silurian or Cambrian mudstones.They were the relict of the old oil pools which were destructed during the Early Hercynian movement.Formation of the bitumen was very complex.It might be the result of co-activity of cooling metamorphism and debitumination.Hydrocarbon could be generated from the bitumen as they were deeply re-buried.

关键词：

高演化; 沥青; 成因; 松潘—阿坝地区;

Keywords:

high maturity; bitumen; genetic analysis; Songpan-Aba area;

基金项目

DOI

https://doi.org/10.11781/sysydz200404370