东濮凹陷西部斜坡带油气充注历史分析

宋芳, 叶加仁, 沈传波

doi:10.11764/j.issn.1672-1926.2010.02.263

天然气地球科学 >

2010 , Vol. 21 >Issue 2: 263 - 269,356

DOI: https://doi.org/10.11764/j.issn.1672-1926.2010.02.263

天然气地质学

东濮凹陷西部斜坡带油气充注历史分析

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1.中国地质调查局武汉地质调查中心,湖北武汉 430223;
2.中国地质大学资源学院,湖北武汉 430074;
3.中国地质大学构造与油气资源教育部重点实验室,湖北武汉 430074

宋芳（1978-），女，见习研究员，硕士，主要从事油气成藏动力学研究.

收稿日期: 2009-07-20

修回日期: 2009-11-19

网络出版日期: 2010-04-10

基金资助

构造与油气资源教育部重点实验室开放基金项目（编号：TPR2009-26）资助.

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Hydrocarbon Filling History in the Western Slope Belt of Dongpu Depression

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1.Wuhan Center of Geological Survey，CGS，Wuhan 430223, China;
2.Faculty of Earth Resources，China University of Geosciences， Wuhan 430074， China;
3.Key Laboratory of Tectonics and Petroleum Resources (China University of Geosciences)，
Chinese Ministry of Education， Wuhan 430074， China)

Received date: 2009-07-20

Revised date: 2009-11-19

Online published: 2010-04-10

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摘要

通过对东濮凹陷西部斜坡带3个断阶带15口钻井的23块储层样品流体包裹体的显微特征、荧光特征和均一温度的系统测试分析,结合单井埋藏史及热史的精细模拟,分析了东濮凹陷西部斜坡带的油气充注历史。一台阶主要发育2期油气充注过程,时间分别为19～10Ma和6～2Ma左右。二台阶外带发育2期油气充注过程,时间分别为30Ma和3Ma左右;中带发育多期油气充注过程,时间分别为19～17Ma、16～12Ma和8～2Ma左右;内带发育2期油气充注过程,时间分别为13～9Ma和10～3Ma左右。自二台阶外带至二台阶中带再至二台阶内带和一台阶,油气充注的时间有逐渐变晚的趋势。

关键词： 流体包裹体; 油气成藏; 储层; 东濮凹陷

本文引用格式

宋芳, 叶加仁, 沈传波 . 东濮凹陷西部斜坡带油气充注历史分析[J]. 天然气地球科学, 2010 , 21(2) : 263 -269,356 . DOI: 10.11764/j.issn.1672-1926.2010.02.263

Abstract

Based on measurement of microscopic and fluorescent features of fluid inclusions and their homogenization temperature for 23 reservoir samples from 15 industrial wells at 3 belts in the western slope belt of Dongpu depression, hydrocarbon filling history was determined, in combination with numerical simulation of burial and thermal history of single well.Two phases of hydrocarbon filling existed in the first belt, corresponding to about 10-19Ma and 2-6Ma, respectively.There are two phases of hydrocarbon filling at second belt outside, corresponding to 30Ma and 3Ma, respectively.But, there are three phases of hydrocarbon filling at second belt inside, corresponding to 17-19Ma, 12-16Ma and 2-8Ma, respectively.The time of hydrocarbon filling gradually becomes later from second belt outside, second belt inside to first belt.

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Key words： Fluid inclusion; Hydrocarbon accumulation; Reservoir; Dongpu depression.

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