| 裂缝性低渗透油藏三维两相黑油数值模拟研究 |
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| 引用本文： | 杨凯,郭肖.裂缝性低渗透油藏三维两相黑油数值模拟研究[J].岩性油气藏,2009,21(3):118-121. |
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| 作者姓名： | 杨凯 郭肖 |
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| 作者单位： | 西南石油大学油气藏地质及开发工程国家重点实验室 |
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| 摘 要： | 大量实验和现场数据表明,低渗透油藏中普遍存在启动压力梯度,并且裂缝对应力的敏感比基质更强,文中在双孔、双渗达西渗流的数学模型基础上引入启动压力梯度和应力敏感,建立了裂缝性低渗透油藏双孔、双渗渗流模型,并对其进行了全隐式联立求解以及实例计算。
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| 关 键 词： | 裂缝性低渗透油藏 启动压力梯度 应力敏感 双孔、双渗 数值模拟 |
Numerical simulation study of three-dimensional two-phase black oil model in fractured low permeability reservoirs |
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| YANG Kai,GUO Xiao.Numerical simulation study of three-dimensional two-phase black oil model in fractured low permeability reservoirs[J].Northwest Oil & Gas Exploration,2009,21(3):118-121. |
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| Authors: | YANG Kai GUO Xiao |
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| Affiliation: | (State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China) |
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| Abstract: | A large number ofexperimental and field data showthat startingpressure gradient exists in lowpermeability reservoirs and fracture is more sensitive than the matrix for stress. Based on dual porosity/dual permeability Darcy seepage flow mathematical model, pressure gradient and stress sensitivity are introduced. A seepage flow model in fractured low permeability reservoir is established, and a full-implicit simultaneous solving and examples calculation are carried out. |
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| Keywords: | fractured lowpermeability reservoir starting pressure gradient stress sensitivity dual porosity/dual permeability numerical simulation |
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