塔里木盆地台盆区寒武系烃源岩有机成熟度

新疆石油地质 ›› 2002, Vol. 23 ›› Issue (5): 372-375.

塔里木盆地台盆区寒武系烃源岩有机成熟度

王飞宇¹, 刘长伟¹, 朱雷¹, 张水昌², 张宝民², 梁狄刚²

1.石油大学油气成藏重点实验室,北京 102200;
2.中国石油石油勘探开发科学研究院,北京 100083

收稿日期:2002-03-05 出版日期:2002-10-01 发布日期:2020-08-11
作者简介:王飞宇（1963-）,男,浙江黄岩市人,教授,从事有机地球化学教学和研究,电话：010-89733430

Study on Organic Maturity of Cambrian Source Rocks in Tarim Platform Area

WANG Fei-yu, LIU Chang-wei, ZHU Lei, ZHANG Shui-chang, ZHANG Bao-min, LIANG Di-gang

Received:2002-03-05 Online:2002-10-01 Published:2020-08-11
About author:WANG Fei-yu (1963-), Male, Professor, Organic Geochemistry, Hydrocarbon-Reservoir Iab, University of etroleum, Beijing 102200, China

摘要/Abstract

摘要： 对塔里木盆地寒武系一百多个样品进行了有机组分反射率测试,有78个样品获得有效的有机组分反射率测试数据。从目前探井和露头区样品有机组分反射率分析数据表明,塔里木盆地寒武系源岩均处于高过成熟阶段,尚未发现仍处于生油窗阶段的寒武系中等成熟的源岩。塔中和塔北隆起区中下寒武统镜质体反射率约在1.8%~3.0%,目前满加尔凹陷中下寒武统源岩镜质体反射率在3%以上,满加尔凹陷腹部中下寒武统源岩镜质体反射率在4%以上。中下寒武统源岩成熟度相对较低区分布在塔中隆起主垒带、塔北隆起的凸起区(英买力凸起)和巴楚断隆一部分地区,其等效镜质体反射率在1.6%~2.0%.

关键词: 塔里木盆地, 寒武系, 烃源岩, 有机质成熟度

Abstract: More than 100 samples from Cambrian marine source rocks in Tarim basin have been analyzed for the data of the reflectance of primary organic materials,of which only 78 have been gained as effective data. According to the present reflectance data,the Middle and Lower Cambrian source rocks of Tarim basin are in the high mature and over mature phase , no Cambrian source rocks still exist in the maturity phase of oil windows presently, the vitrinite reflectance equivalent (VRE) of Cambrian source rocks in Tazhong uplift and Tabei uplift range from 1.8% to 3%,and higher than 3% in Manjar sag,and higher than 4% in the central area of Manjar sag. The relative low maturity area of the Middle and Lower Cambrian source rocks are located in the high areas of Tazhong uplift and Taibei uplift, and limited area Bachu uplift, with VRE ranging from 1.6% to 2.0%.

Key words: Tarim basin, Cambrian, source rock, organic matter maturity

中图分类号:

TE112.1

王飞宇, 刘长伟, 朱雷, 张水昌, 张宝民, 梁狄刚. 塔里木盆地台盆区寒武系烃源岩有机成熟度[J]. 新疆石油地质, 2002, 23(5): 372-375.

WANG Fei-yu, LIU Chang-wei, ZHU Lei, ZHANG Shui-chang, ZHANG Bao-min, LIANG Di-gang. Study on Organic Maturity of Cambrian Source Rocks in Tarim Platform Area[J]. Xinjiang Petroleum Geology, 2002, 23(5): 372-375.

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