• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Residuals Science & Technology >Gemini sulfobetaine surfactant applying in microemulsion flooding of low permeability sandstone reservoir
【24h】

Gemini sulfobetaine surfactant applying in microemulsion flooding of low permeability sandstone reservoir

机译：Gemini磺基甜菜碱表面活性剂在低渗透砂岩油藏微乳驱中的应用。

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In this paper, the reservoir characteristics and fluid properties of a low permeability sandstone reservoir of the Chaoyanggou oil field was taken as the research platform. The gemini sulfobetaine surfactant with low critical micelle concentration was evaluated. The microemulsion was formulated using the oil/water ratio 1:2 and 0.5 wt%~3 wt% surfactant. The interfacial tension, microemulsion content and adsorption of this surfactant was measured, compared with other types surfactant. The viscosity and particle size of microemulsion was given to evaluate its mobility control ability. The relative permeability curve of microemulsion was measured to analyze its flow behavior in low permeability sandstone reservoir, and displacement efficiency of microemulsion was obtained by the displacement experiment. The results show that: compared with other types surfactant, this surfactant has lower CMC (Critical micelle concentration) and interfacial tension, its CMC is 0.5%, and it has low-cost economy. It can be applied in microemulsion flooding. When microemulsion content is 30%, the viscosity of microemulsion can reach about 4 mPa?s. The recovery efficiency of microemulsion flooding increases by about 7% when the concentration of gemini sulfobetaine surfactant is 1.5 wt%. This paper has important guiding significance for selection of chemical reagents in low permeability reservoir.
机译：本文以朝阳沟油田低渗透砂岩油藏的储层特征和流体性质为研究平台。评价了具有低临界胶束浓度的双基磺基甜菜碱表面活性剂。使用油/水比1：2和0.5 wt％〜3 wt％的表面活性剂配制微乳液。与其他类型的表面活性剂相比，测量了该表面活性剂的界面张力，微乳液含量和吸附。给出了微乳液的粘度和粒径，以评价其迁移率控制能力。测量了微乳液的相对渗透率曲线，以分析其在低渗透砂岩油藏中的流动行为，并通过驱替实验获得了微乳液的驱替效率。结果表明：与其他类型的表面活性剂相比，该表面活性剂具有较低的CMC（临界胶束浓度）和界面张力，其CMC为0.5％，并且具有低成本经济性。可用于微乳液驱。当微乳液含量为30％时，微乳液的粘度可达到约4mPa·s。当双子烷基磺基甜菜碱表面活性剂的浓度为1.5 wt％时，微乳液驱油的采收率提高了约7％。本文对低渗透油藏化学试剂的选择具有重要的指导意义。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号