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Keywords nitrogen foam;selective plugging;foam a-gent; 氮气泡沫;选择性封堵;泡沫剂;
Keywords nitrogen foam;bottom water reservoir;bottom water coning;core permeability;oil saturation;foam resistance factor;numerical simulation; 氮气泡沫;底水油藏;底水锥进;岩心渗透率;含油饱和度;泡沫阻力因子;数值模拟;
Keywords nitrogen foaming agent;profile modification;foamability;sealing ability; 氮气泡沫调驱;泡沫剂发泡量;半衰期;封堵能力;
The basic formulation and rheological properties of nitrogen foam fracturing liquid have been studied in laboratory. 对氮气泡沫压裂液的基本配方和流变性能进行了室内评价研究。
The water-plugging technique of nitrogen foam for plugging the water layer of oilfield by Jamin effect has been studied in this paper. 氮气泡沫堵水技术是在注入液体中掺入氮气使发泡剂发泡,利用气阻效应(贾敏效应),使液体不能沿微观大孔道、宏观高渗层或高渗区窜流,达到封堵高含水层的目的。
Therefore, for this well group, nitrogen foam flooding technology can improve water flooding efficiency, decrease water cut, and increase oil production and recovery factor. 该井组采用氮气泡沫调驱技术可以较好地改善注水开发效果，达到降水增油和提高原油采收率的目的。
Keywords nitrogen gas;water-plugging;foam stabilizing agent;foamer; 氮气泡沫;堵水技术;稳泡剂;发泡剂;
nitrogen foam diversion acidizing 氮气泡沫分流酸化
Keywords nitrogen tetroxide;concentration;monitor; 四氧化二氮;浓度;监测仪;
Keywords Nitrogen oxide;LMR;Spark discharge; 氮氧化物反应．激光磁共振;火花放电;
Keywords Nitrogen oxide;Humic substance;LMR; 氮氧化物;腐殖酸;激光磁共振;
Keywords nitrogen trifluoride;electroanalysis;the direct synthesis; 三氟化氮;电解法;直接化合法;
Keywords Nitrogen Root morphology Sedum alfredii Hance Cadmium; 氮;根系形态;东南景天;镉;
Keywords nitrogen profile;white layer;plasma denitriding; 浓度梯度;白亮层;辉光扩氮;
Keywords nitrogen dioxide;nitration;nitrocyclohexane; 二氧化氮;硝化;硝基环己烷;
Keywords nitrogen narcosis;glycine;uptake;transporter of glycine; 氮麻醉;甘氨酸;摄取;甘氨酸转运体;
STUDY AND APPLICATION OF NITROGEN FOAM PROFILE CONTROL IN HEAVY OIL THERMAL PRODUCTION 稠油热采氮气泡沫调剖研究与应用
Keywords nitrogen oxides;inhalation lung injury;peroxynitrite; 氮氧化合物;吸入性肺损伤;过氧亚硝基阴离子;
Study on nitrogen foam anti-water-coning technology for conventional heavy oil reservoir 常规稠油底水油藏氮气泡沫控制水锥技术研究
Keywords Nitrogen;Sources and Exports;Jiulong River Watershed; 氮;源汇;九龙江流域;