| 低渗透裂缝性砂岩油藏多孔介质渗吸机理研究 |
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| 引用本文： | 朱维耀,鞠岩,赵明,陈权,杨正明.低渗透裂缝性砂岩油藏多孔介质渗吸机理研究[J].石油学报,2002,23(6):56-59. |
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| 作者姓名： | 朱维耀 鞠岩 赵明 陈权 杨正明 |
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| 作者单位： | 1. 中国石油勘探开发研究院廊坊分院, 河北廊坊, 065007;2. 河北廊坊师范学院化学系, 河北廊坊, 065000;3. 中国地质大学, 北京, 100083 |
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| 基金项目： | 中国石油天然气集团公司“九五”重点科技攻关项目 (Z95 2 6 IW )部分研究成果 |
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| 摘 要： | 低渗透裂缝性油田开发比较复杂,其中水的自发渗吸对原油的开采十分有利。影响渗吸的因素有岩样大小、岩石特性(孔隙度、渗透率)、流体特性(密度、粘度和界面张力)、润湿性、初始含油饱和度以及边界条件等。利用常规室内渗吸实验和先进的核磁共振技术,系统地研究了低渗透裂缝性砂岩油藏中以上各种因素对渗吸的影响程度,得到了一些变化规律,从而为低渗透裂缝性砂岩油藏的开发提供了理论根据.
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| 关 键 词： | 低渗透油藏 裂缝性砂岩 渗吸机理 润湿性 驱替试验 渗流 |
| 文章编号： | 0253-2697(2002)06-0056-04 |
| 收稿时间： | 2001-7-31 |
| 修稿时间： | 2001年7月31日 |
SPONTANEOUS IMBIBITION MECHANISM OF FLOW THROUGH POROUS MEDIA AND WATERFLOOD-ING IN LOW-PERMEABILITY FRACTURED SANDSTONE RESERVOIR |
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| ZHU Weiyao,et al..SPONTANEOUS IMBIBITION MECHANISM OF FLOW THROUGH POROUS MEDIA AND WATERFLOOD-ING IN LOW-PERMEABILITY FRACTURED SANDSTONE RESERVOIR[J].Acta Petrolei Sinica,2002,23(6):56-59. |
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| Authors: | ZHU Weiyao |
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| Affiliation: | Langfang Devision of Research Institute of Petroleum Exploration and Development, Petro China, Langfang 065007, China |
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| Abstract: | The fluid flow properties and mechanism of fluid flow in low-permeability reservoir with fractured sandstones are complicated.The spontaneous imbibition of water is very important for oil recovery.The influencing factors on spontaneous imbibition include rock size,rock properties,fluid properties,wettability,initial oil saturation and boundary condition,etc.The affecting degrees of those factors were investigated by the spontaneous imbibition experiment in laboratory,NMR technology and displacement test.The study results may provide some theoretical bases for oil development of low-permeability reservoir with fractured sandstone. |
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| Keywords: | low-permeability reservoir fractured sandstone imbibition mechanism wettability displacement test seepage flow |
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