| 氮气泡沫驱油用起泡剂的筛选与评价 |
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| 引用本文： | 郑力军,张涛,王兴宏,马丽萍,张伟.氮气泡沫驱油用起泡剂的筛选与评价[J].石油与天然气化工,2011,40(6):607-609,540. |
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| 作者姓名： | 郑力军 张涛 王兴宏 马丽萍 张伟 |
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| 作者单位： | 中国石油长庆油田分公司油气工艺研究院;陕西西安低渗透油气田勘探开发国家工程实验室;中国石油长庆油田分公司第三采油厂; |
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| 摘 要： | 针对靖安油田地层条件,对起泡剂的起泡能力和稳定性等进行分析。筛选出界面张力达到10^-1mN／m的低界面张力泡沫体系。性能评价表明,该体系具有较好的起泡性、稳泡性和较强的耐温抗盐性。运用单管驱油实验对泡沫体系阻力因子进行了评价．确定最佳气液比为2：1：双管驱油实验表明,泡沫可以实现对高低渗填砂管的均匀分流．水驱后再注入此泡沫体系．综合采收率可以提高10．94％。
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| 关 键 词： | 泡沫体系 起泡能力 阻力因子 耐温抗盐 |
Screening and Evaluating of Foaming Agent Used for Nitrogen Gas Foam Oil Displacement |
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| Zheng Lijun,Zhang Tao,Wang Xinhong.Screening and Evaluating of Foaming Agent Used for Nitrogen Gas Foam Oil Displacement[J].Chemical Engineering of Oil and Gas,2011,40(6):607-609,540. |
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| Authors: | Zheng Lijun Zhang Tao Wang Xinhong |
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| Affiliation: | Zheng Lijun1,2,Zhang Tao1,2,Wang Xinhong1,2,et al(1.Research Institute of Oil&Gas Technology,PetroChina Changqing Oilfield Company,Xi’an 710018,Shaanxi,China;2.National Engineering Laboratory of Exploration and Development in the Low Permeable Oil&Gas Reserviors,Xi’an 710018,Shaanxi,China).CHEMICAL ENGINEERING OF OIL & GAS,VOL.40,NO.6,pp607～609,2011(ISSN 1007-3426,IN CHINESE) |
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| Abstract: | In view of reservoir conditions in Jingan oil field,a low interfacial tension’s foaming system with interfacial tension of 10-1mN/m was screened out by analyzing the foaming ability and stability of several foaming agents.The result of the performance evaluation shows that the system has good foam performance,good heat resistance and salt tolerance.The resisting force factor of the foaming system is evaluated through singlet-tube flooding experiment,then the optimal gas fluid ratio is determined to be 2∶1.The double-tube flooding experiment result shows that foaming system can be distributed uniformly between high and low transmissibility tube,and the comprehensive recovery is enhanced 10.94% by injecting the foam system after water flooding. |
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| Keywords: | foaming system foamability resisting force factor heat resistance and salt toleranee |
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