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| 胜利油区海上油田二元复合驱体系性能评价 | |
| 引用本文： | 张新民,冯如森,宋新旺,郭拥军,祝仰文,胡俊.胜利油区海上油田二元复合驱体系性能评价[J].油气地质与采收率,2011,18(5). |
| 作者姓名： | 张新民 冯如森 宋新旺 郭拥军 祝仰文 胡俊 |
| 作者单位： | 1. 西南石油大学油气藏地质及开发工程国家重点实验室,四川成都610500;四川光亚科技股份有限公司,四川南充637005 2. 西南石油大学油气藏地质及开发工程国家重点实验室,四川成都610500;西南石油大学化学化工学院,四川成都610500 3. 中国石化股份胜利油田分公司地质科学研究院,山东东营,257015 4. 西南石油大学油气藏地质及开发工程国家重点实验室,四川成都610500;中国石化股份胜利油田分公司地质科学研究院,山东东营257015 5. 四川光亚科技股份有限公司,四川南充,637005 |
| 基金项目： | 国家“863”重点项目“海上油田二元复合驱提高采收率关键技术”(2008AA092801) |
| 摘 要： | 通过流变性、界面张力、吸附、老化、驱油等实验研究了适合胜利油区海上油田条件下的二元复合驱体系的性能,结果表明该体系具有良好的抗温、抗盐、抗剪切性及老化稳定性,表面活性剂在较大浓度范围内使油水界面张力达到10-3 mN/m.物理模拟研究表明,二元复合驱体系在多孔介质中具有良好的注入性能,在1 152.3×10-3μm的孔隙介质中具有较高的阻力系数和残余阻力系数,分别为504.2和102.7,大幅度降低了水测渗透率,且有效地扩大了波及体积.驱油实验结果表明该体系具有良好的驱油能力,能使胜利油区海上原油采收率提高24％以上. |
| 关 键 词： | 二元复合驱 缔合聚合物 粘度 界面张力 提高采收率 海上油田 |
Study on performance of offshore polymer-surfactant system in Shengli oilfield |
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| Zhang Xinmin,Feng Rusen,Song Xinwang et al. State Key Laboratory of Geology , Production Engineering of Oil-gas Reservoir,Southwest Petroleum University,Chengdu City,Sichuan Province,China.Study on performance of offshore polymer-surfactant system in Shengli oilfield[J].Petroleum Geology and Recovery Efficiency,2011,18(5). | |
| Authors: | Zhang Xinmin Feng Rusen Song Xinwang State Key Laboratory of Geology Production Engineering of Oil-gas Reservoir Southwest Petroleum University Chengdu City Sichuan Province China |
| Affiliation: | Zhang Xinmin,Feng Rusen,Song Xinwang et al. State Key Laboratory of Geology and Production Engineering of Oil-gas Reservoir,Southwest Petroleum University,Chengdu City,Sichuan Province,610500,China |
| Abstract: | Based on the rheology,surface tension,adsorption,aging and oil displacement experiment,the performance of surfactant -polymer system suitable for the offshore oilfield of Shengli area is studied and proposed.The study presents that this system is of good temperature,salinity,shearing and aging performance,and the surfactant may enhance the oil/water surface tension by 10~(-3) mN/m in a wide range of concentration.The experiment of injecting binary flooding system into the porous media shows that it has a go... |
| Keywords: | polymer-surfactant composite flooding hydrophobically associated polymer viscosity interfacial tension EOR offshore oilfield |
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