歧口凹陷火成岩岩相与储集空间特征研究

张绍辉, 王振升, 刘玉梅, 周育文, 李玖勇, 张莉华, 马玉荣, 董洪闯

doi:10.11764/j.issn.1672-1926.2010.04.572

天然气地球科学 >

2010 , Vol. 21 >Issue 4: 572 - 577

DOI: https://doi.org/10.11764/j.issn.1672-1926.2010.04.572

天然气地质学

歧口凹陷火成岩岩相与储集空间特征研究

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1.中国石油大港油田勘探开发研究院，天津 300280;
2.中国石油西南油气田分公司川西北气矿，四川绵阳 621700

张绍辉（1972-），女，四川安岳人，高级工程师，主要从事石油地质综合评价研究.

收稿日期: 2010-03-07

修回日期: 2010-05-27

网络出版日期: 2010-08-10

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Lithofacies of Igneous Rock and Petroleum-Accumulated Space in Qikou Sag

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1.Research Institute of Exploration and Development, Dagang Oilfield Company, PetroChina, Tianjin 300280, China；
2.Northwest Sichuan Gas Field of Southwest Oil and Gas Branch Company, PetroChina, Mianyang 621700，China

Received date: 2010-03-07

Revised date: 2010-05-27

Online published: 2010-08-10

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摘要

对歧口凹陷火山口相、爆发相、溢流相、浅成侵入相、次火山岩相、火山通道相及火山沉积相等多种火成岩岩相的测井、地震反射特征进行了归纳总结，并对不同岩相火成岩的储集空间类型及储集性能的影响因素进行了综合分析,结果表明：岩相是影响储集性能的主要控制因素，随火成岩相带不同，其储集物性也不相同。其中，溢流相、爆发相含有大量的气孔、砾间孔缝，储集性能好，而次火山岩相、溢流相中部的致密带与侵入岩相似，原生孔缝不发育，储集性能较差；一些外部作用因素也会对火成岩的储集性能产生较大的影响。

关键词： 歧口凹陷; 火成岩岩相; 储集空间特征; 地震反射特征; 储集性能; 影响因素

本文引用格式

张绍辉, 王振升, 刘玉梅, 周育文, 李玖勇, 张莉华, 马玉荣, 董洪闯 . 歧口凹陷火成岩岩相与储集空间特征研究[J]. 天然气地球科学, 2010 , 21(4) : 572 -577 . DOI: 10.11764/j.issn.1672-1926.2010.04.572

Abstract

In this paper, we concluded the features of logging and seismic reflection about different lithofacies of igneous rock (crater, eruption, effusion, shallow invasion, secondary volcanic, volcanic vent, volcanogenic, etc.).We also discussed comprehensively the factors controlling types of reservoir space and ability of reservoir accumulation in different lithofacies igneous rock.The results indicate that the lithofacies would be the main factor to affect the ability of reservoir accumulation.The different lithofacies of igneous rock are associated with the different physical property of reservoir.The external action also affects the different physical property of volcanic reservoir.The correlation between lithofacies of igneous rock and reservoir space will make a significant role to guide the igneous exploration in this area.

Key words： Qikou sag; Igneous rock lithofacies; Reservoir space; Seismic Reflection; Reservoir ability; Controlling factor.

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