多区不等厚横向非均质复合气藏试井分析模型及压力特征

添加时间:2008-03-11 原文发表:2008-03-11 人气:6 来源：wanfang

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多区不等厚横向非均质复合气藏试井分析模型及压力特征

付维署　何顺利　冉盈志　张广英　

摘　要：针对长庆苏里格低渗气藏岩性发育不均匀、非均质性强的特点,建立了综合考虑表皮效应、井筒存储效应、气藏地层特性及地层厚度变化的多区不等厚横向非均质复合气藏试井解释模型,通过拉氏变换得出了无限大和封闭边界两种典型外边界条件下的气藏拟压力数值解,绘制了井底压降典型曲线,并对其压力动态特征进行了分析.利用该模型对苏里格气藏实际试井资料进行了解释,解释结果与实际生产动态情况较吻合.表明该模型对研究低渗透气藏储层特性有实用价值.
关键词：不等厚;非均质;复合气藏;不稳定试井;模型;压力
分类号：TE353 　文献标识码：A
文章编号：0253-9985(2006)01-0124-07

Well test analytical model and pressure characteristics of multizone, non-isopachous and lateral heterogeneous composite gas reservoirs

Fu Weishu 　 He Shunli　 Ran Yingzhi 　 Zhang Guangying　

付维署(1972-),女,工程师,开发地质与油气田开发
作者单位：付维署（中国石化,石油勘探开发研究院,北京,100083）　
　　　　　何顺利（中国石油大学,北京,102200）　
　　　　　冉盈志（中国科学院,研究生院,北京,100039）　
　　　　　张广英（中国石化,江汉油田分公司,勘探开发研究院,湖北,潜江,433121）　

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