摘要
在T.A.Blasingame等人提出的均质油藏中有限导流垂直裂缝试井模型(TPR)的基础上采用Laplace变换与反演技术,完成了双重孔隙介质中有限导流垂直裂缝井试井模型的求解新算法。讨论了介质间窜流、弹性储容比、裂缝导流能力及外边界条件对压力动态的影响,结果表明:用该方法计算的结果与经典的双重介质垂直裂缝井模型一致。这种算法计算速度快,精度满足要求,可用于现代试井分析的自动拟合中。
A new approach to welltest interpretation model with finite conductivity vertical fracture in double porosity reservoirs by the technique of Laplace transform and contrary transform on the basic of TPR model. The approach takes into account the effects of wellbore storage and skin factor of fracture. Effects of intcrporosity-flow factor , storativity-ratio, fracture conductivity based on fracture half-length and outer-boundary to the pressure are discussed. The results indicate that conclusions of the approach accord with classical model of finite conductivity vertical fracture in double porosity reservoirs. It is proved that the approach is valid and can be used in auto match of welltest interpretation.
出处
《水动力学研究与进展（A辑）》
CSCD
北大核心
2006年第2期217-222,共6页
Chinese Journal of Hydrodynamics
关键词
有限导流
垂直裂缝
双重介质
试井分析
finite conductivity
vertical fracture
double porosity reservoirs
welltest interpretation
