| 有效压力对低渗透多孔介质孔隙度、渗透率的影响 |
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| 引用本文： | 刘建军,刘先贵. 有效压力对低渗透多孔介质孔隙度、渗透率的影响[J]. 地质力学学报, 2001, 7(1): 41-44 |
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| 作者姓名： | 刘建军 刘先贵 |
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| 作者单位： | 中国科学院渗流流体力学研究所, 河北廊坊 065007 |
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| 基金项目： | 中国科学院渗流力学基金资助项目(编号：KY953) |
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| 摘 要： | 以低渗透多孔介质为研究对象,通过实验得出孔隙度、渗透率随有效压力变化曲线。研究表明,流体在低渗透多孔介质中渗流时,流固耦合效应十分显著。这是因为低渗透多孔介质的孔隙很小,而孔隙度的微小变化,都会对渗透率产生大的影响,因此低渗透介质随有效应力的变化十分明显。由于流固耦合效应的存在,在低渗透油气藏的开发中,不宜采用降压开采,进行油藏数值模拟时,也应进行油藏流固耦合数值模拟。
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| 关 键 词： | 低渗透多孔介质 流固耦合 孔隙度 渗透率 |
| 文章编号： | 1006-6616(2001)01-0041-04 |
| 收稿时间： | 2000-06-18 |
| 修稿时间： | 2000-06-18 |
THE EFFECT OF EFFECTIVE PRESSURE ON POROSITY AND PERMIEABILITY OF LOW PERMEABILITY POROUS MEDIA |
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| LIU Jian-jun and LIU Xian-gui. THE EFFECT OF EFFECTIVE PRESSURE ON POROSITY AND PERMIEABILITY OF LOW PERMEABILITY POROUS MEDIA[J]. Journal of Geomechanics, 2001, 7(1): 41-44 |
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| Authors: | LIU Jian-jun and LIU Xian-gui |
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| Affiliation: | Institute of Porous Flow & Fluid Mechanics of the Chinese Academy of Sciences, Langfang 065007, China |
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| Abstract: | On the basis of experimental study,the law of porosity and permeability versus effective pressure are developed, Because porosity of low permeability media is very small, a little change of its porosity can make its permeability decline rapidly. The paper is useful in solid-fluid coupled simulation of oil reservoir. The paper gives coupled relations in solid-fluid coupled simulation. During the oil and gas field developing,the coupled effect should be considered. |
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| Keywords: | low permeability porous media fluid-solid interaction porosity permeability |
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