天然气地球化学

利用顶空气技术判别凝析气(油)储层

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  • 成都理工大学材料与化学化工学院; 中国石化勘探开发研究院石油化探研究所; 四川成都; 安徽合肥;

网络出版日期: 2006-06-20

IDENTIFY THE ATTRIBUTE OF THE CONDENSABLE GAS OR OIL BEDS BY USING THE ANALYSIS TECHNOLOGY OF HEADSPACE GAS

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  • 1.College of Materials and Chemistry and Chemical Engineering,Chengdu University of Technology,Chengdu 610059,China;2.Institute of Petroleum Geochemical Exploration,Institute of Petroleum Exploration and Development,SINOPEC,Hefei 230022,China

Online published: 2006-06-20

摘要

介绍了顶空气分析技术的原理、分析技术及应用于地化录井的理论基础。根据理论及实验得出凝析气(油)的顶空气轻烃组分特征为:C1/nC4值很小,Wh值很大,Bh值很小,Ch值较大;其直观特征一般是C1-C7浓度递减但并非按组分顺序递减,相反,C1或C2以后的某些组分的浓度会突然增大,并以CX 1井及S49井的实例做了证明。

本文引用格式

李广之;袁子艳;胡斌;邓天龙; . 利用顶空气技术判别凝析气(油)储层[J]. 天然气地球科学, 2006 , 17(3) : 309 -312 . DOI: 10.11764/j.issn.1672-1926.2006.03.309

Abstract

This paper introduces detailedly the princeple and analysis technology of static headspace gas,the theoretic base of which is aplied in geochemical logging.According to the theoretics and the experiments we can conclude that the light hydrocarbons composition characteristics in static headspace gas of condensable gas or oil have very small C_1/nC_4 value,very large W_h value,very small B_h value and more large C_h value.The intelligible characteristics are that the concentration of some composition.

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