油气藏酸液体系探究进展.pdfVIP

第47卷第3期 应 用 化 工 Vol.47 No.3 2018年3月 Applied Chemical Industry Mar.2018 专论与综述 油气藏酸液体系研究进展 1,2 1 3 3 3 王磊 ,薛蓉 ,赵倩云 ,范华波 ,郭钢 (1.陕西科技大学 教育部轻化工助剂化学与技术重点实验室,陕西 西安 710021; 2.陕西农产品加工技术研究院,陕西 西安 710021;3.中国石油长庆油田分公司油气工艺研究院,陕西 西安 710021) 摘 要:通过优化酸液体系性能,增加酸化渗透距离实现深部酸化和进一步降低地层伤害,提高酸化效果是目前酸 化压裂的重点研究方向。 对国内外螯合酸、有机酸、泡沫酸、转向酸、凝胶酸等酸液体系的技术特点与优势进行了 总结,分析了各种酸液体系发展潜力,指出低伤害高效缓速酸液体系和环保酸液体系在未来储层改造方面具有广 阔的应用前景。 关键词:酸液体系;螯合酸;有机酸;泡沫酸;环保酸液体系 中图分类号:TQ 111;TE39;TE37;TE34 文献标识码:A 文章编号:1671-3206(2018)03-0548-06 A critical review of acidizing fluids in reservoirs for recent years 1,2 1 3 3 3 WANGLei ,XUE Rong ,ZHAO Qian-yun ,FAN Hua-bo ,GUO Gang (1.Key Laboratory of Auxiliary Chemistry Technology for Chemical Industry,Ministry of Education, Shaanxi University of Science Technology,Xi’an710021,China; 2.Shaanxi Research Institute of Agricultural Products Processing Technology,Xi’an710021,China; 3.Research Institute of Oil/ GasTechnology,Changqing Oilfield Branch Company,PetroChina,Xi’an710021,China) Abstract:It is the key research direction of acid fracturing by optimizing the acid system performance, increasing the acidification penetration distance to realize deep acidification and further reducing the for- mation damage and improving the acidizing effect.The technical characteristics and advantages of chela- ting acid,organic acid,foam acid,turning acid,gel acid and other acid systems were summarized.The development potential of various acid systemswas analyzed.It was pointed out that the effectiv