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裂缝和洞与井筒连通的三重介质油藏试井解释方法研究
引用本文:常学军,姚军,戴卫华,王子胜.裂缝和洞与井筒连通的三重介质油藏试井解释方法研究[J].水动力学研究与进展(A辑),2004,19(3):339-346.
作者姓名:常学军  姚军  戴卫华  王子胜
作者单位:1. 中国矿业大学(北京校区),北京,100083
2. 石油大学(华东)石油工程学院,山东东营,257061
基金项目:国家"十五"重大科技攻关项目"塔河油田开发关键技术"(2001BA605A03)
摘    要:针对由基岩、裂缝和溶洞组成的三重介质油藏提出了裂缝和洞与井筒连通的试井解释模型,建立了相应的数学模型,并采用Laplace变换和数值Laplace反演方法进行了求解,分析了介质的弹性储容比、窜流因子以及裂缝渗透率比对压力响应的影响,同时还提出了三重介质油藏的试井解释方法——利用遗传算法进行自动拟合,并编制了实用软件,实例分析表明了该新方法的可靠性和实用性。

关 键 词:试井分析  三重介质  裂缝和洞——井筒连通
文章编号:1000-4874(2004)03-0339-08

The study of well test interpretation method for a triple medium reservoir
CHANG Xue-jun,YAO Jun,DAI Wei-hua,WANG ZHi-sheng.The study of well test interpretation method for a triple medium reservoir[J].Journal of Hydrodynamics,2004,19(3):339-346.
Authors:CHANG Xue-jun  YAO Jun  DAI Wei-hua  WANG ZHi-sheng
Affiliation:CHANG Xue-jun~1,YAO Jun~2,DAI Wei-hua~2,WANG ZHi-sheng~2
Abstract:This paper presents a well test interpretation model for a triple medium reservoir composed of matrix, fracture and vugs. The mathmatical model is established and analytical solution is presented by use of Laplace transfrom and numerical Laplace inverse method. The influence of storativity ratio, crossflow factor and fracture permeability on pressure response is analyzed. The well test interpretaion method used for triple medium reservoir, namely, an automatic matching by use of genetic theory is presented. The applied software is developed and the practicablity and reliability of the new method are indicated by the analysis of field data.
Keywords:well test analysis  triple medium  connection of  fracture and vugs with wellbore
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