薄膜扩展剂与微球高温深部调驱技术

发布时间：2018-05-30 09:31

本文选题：稠油油藏 + 蒸汽驱　；参考：《大庆石油地质与开发》2017年02期

【摘要】：为了抑制稠油油藏蒸汽驱汽窜提高井组油汽比,针对辽河油田齐40区块中深层稠油油藏蒸汽驱生产特点,在室内进行了薄膜扩展剂耐温发泡性能及封堵性能评价,通过对自交联微球耐温老化前后的电镜照片等进行对比探索微球逐级深部调驱机理,用单填砂管模型研究了自交联微球在油藏深部的进入、封堵、突破及二次封堵能力,用三管并联模型进行了封堵及驱油实验;证实了薄膜扩展剂的发泡性能、半衰期、阻力因子及微球的膨胀、封堵及驱油性能,能适应蒸汽驱的温度条件;并以此为基础设计了薄膜扩展剂与微球深部调驱现场试验方案,实施后蒸汽驱井组见到了较好的生产效果,为抑制汽窜,提高汽驱井组油汽比奠定了基础。
[Abstract]:In order to restrain steam drive channeling in heavy oil reservoir and improve the oil / gas ratio of well group, according to the production characteristics of steam drive in middle and deep heavy oil reservoir in Q40 block of Liaohe Oilfield, the temperature resistance foaming performance and plugging performance of thin film extender were evaluated indoors. By comparing and exploring the mechanism of microspheres' deep adjustment and flooding before and after the self-crosslinking microspheres' thermal aging and aging, the self-crosslinking microspheres' entering, plugging, breakthrough and secondary plugging ability in the deep reservoir were studied by single sand filling tube model. The experiments of plugging and oil displacement were carried out with a three-tube parallel model, and it was proved that the foaming property, half-life, resistance factor and microsphere expansion, plugging and oil displacement performance of the film extender could adapt to the temperature condition of steam flooding. On the basis of this, the field test scheme of film extender and microsphere deep adjusting flooding was designed. After the implementation, the steam flooding group saw better production effect, which laid a foundation for restraining steam channeling and improving the oil / gas ratio of steam drive well group.
【作者单位】：中国石油辽河油田分公司;大庆油田有限责任公司第七采油厂;
【基金】：中国石油股份有限公司重大开发试验项目
【分类号】：TE357.4

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