流固耦合渗流数学模型及物性参数模型研究

Journal of Oil and Gas Technology(2007)

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Abstract
在变形多孔介质油藏中,油气开采导致地层压力下降,从而引起多孔介质储层变形和储层物性参数变化,直接影响储层流体的渗流。应用渗流力学及岩土力学原理,在前人工作的基础上,引入储层岩石骨架变形和流体渗流的启动压力,建立了多相流体渗流的流固耦合渗流数学模型,理论上推导出了储层岩石变形数学模型、储层物性参数数学模型,实现了真正意义上的流固全耦合,为流固耦合数值模拟奠定了基础。
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Key words
physical parameter,fluid-solid coupling,mathematical model,oilfield development,deformational meida
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