一类双孔介质复合储层压力分布的Laplace空间解  

Laplace Space Solution of Pressure Distribution in the Double Porosity Composite Reservoir

作　　者：严娟[1] 李顺初[1] 李伟[1] 

机构地区：[1]西华大学应用数学研究所,成都610039

出　　处：《徐州工程学院学报（自然科学版）》2009年第2期10-14,共5页Journal of Xuzhou Institute of Technology(Natural Sciences Edition)

基　　金：国家"九五"重点攻关项目(96-111-03-01-07)

摘　　要：针对外边界定压的双孔介质复合储层模型,研究了两种内边界条件(是否考虑井筒储存和表皮效应)下变(常)流率问题的无因次内、外区储层压力分布的Laplace空间解.在深入剖析了解的结构和相互联系的基础上,找出了它与常见的复合、双孔、均质储层压力分布间的相互关系,并简要地引入了相应的应用.该项研究无疑是对试井分析理论的一种完善,对相应的脉冲试井等干扰试井分析软件的研制具有较高的应用价值,对油藏工程中的数值模拟方法也具有指导意义.Based on constant pressure outer boundary double porosity composite reservoir model, the Laplace solution of dimensionless pressure distribution was studied under two inner boundary conditions （whether consider the well bore storage and the skin effect）. After good analyses of the structure and interrelation of the solution, we found out the interrelations of various pressure distributions in composite reservoir and guided relevant application. This research was one kind of improvement to well test analysis theory and has profound application meaning to the software development of interference test analysis, such as pulse test, and will be guidance to numerical simulation.

关 键 词：双孔介质复合储层 定压外边界 压力分布 变流率 

分 类 号：TE353[石油与天然气工程—油气田开发工程]