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The Application of Fluorin Boric Acid Acidification Technique in Shinan Oil Field
Author(s): LIU Fuqiang, YAO Pengxiang, ZHANG Ligang, LIU Zemin, NI Jiangquan
Pages: 243-
246
Year: 2007
Issue:
3
Journal: CHEMICAL ENGINEERING OF OIL & GAS
Keyword: 氟硼酸; 酸化; 性能评价; 岩芯流动; 现场应用;
Abstract: 对石南油田选用的氟硼酸酸化体系从酸液缓蚀性能、配伍性能、缓速性能、残渣试验、铁离子稳定试验、防膨性能等方面进行了较全面的室内静态评价和岩芯酸化动态评价.从氟硼酸酸化技术应用研究结果表明,所选用添加剂与氟硼酸具有很好的配伍性,优选出的酸液配方表面张力低、破乳效果好、络合铁离子能力强、产生的酸渣量少,防粘土膨胀能力强等特点,对储层伤害小;氟硼酸酸化效果最佳,酸化后岩石骨架结构破坏小,能有效控制微粒运移;氟硼酸深部酸化工艺达到了深部防膨酸化解堵的目的.
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