孔隙-裂隙双重变形介质中的油水两相流动理论研究

Journal of Hefei University of Technology(Natural Science)(2007)

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Abstract
在连续介质力学理论架构下,文章建立了饱和油水两相渗流与变形孔隙-裂隙双重介质耦合作用的理论来模拟裂隙砂岩储层中的油-水渗流,提出了基于双孔隙固相系统变形与油水两相渗流的全耦合力学模型;在对力学模型给予适当简化的基础上,应用解耦的有限元数值解方法对裂隙储层的两相流体压力、饱和度以及储层变形等参数进行了数值模拟;结果表明,裂隙储层流体运动主要由裂隙变形、油/水的PVT特性所决定。
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Key words
fissured reservoir,saturated oil/water flow,coupled geomechanical model,double-porosity model
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