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Preliminary evaluation of mulberry leaf-derived surfactant on interfacial tension in an oil-aqueous system: EOR application

机译：桑叶来源表面活性剂对油水体系界面张力的初步评估：EOR应用

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摘要

To handle successfully the augmentation of energy consumption in the four corners of the world, there is an urgent need to produce more oil. Stagnant oil production and recovery unknowingly have made more risky by conventional methods. Therefore, Enhanced Oil Recovery (EOR) methods for producing more oil from the addressed oil reservoirs are being paid attention. Keep in mind that, after primary and secondary oil recovery methods more 65 % of the original oil-in-place remains in the reservoirs. Owing to this fact, the importance of EOR methods is highlighted. Surfactant flooding is an EOR technique targeted at reducing the amount of residual oil left in pore spaces by lowering the interfacial tension between oil and water. In this study, we extracted a natural-based surfactant from the leaves of the mulberry tree. Micro-sized particles of mulberry leaf were used to formulate a micro-fluid. The results demonstrated that a micro-fluid containing only 1 wt.% of micro-sized mulberry leaf particles was able to lower the IFT of a system consisting of distilled water and kerosene by 60%. Finally to figure out the effect of extracted surfactant on sweep efficiency of the brine flooding, core displacement apparatus utilized. Based on the obtained results of core flooding, addressed surfactant can increase sweep efficiency from 49% to 66.8% of Original Oil In Place (OOIP). The results of this research are first-break in use of mulberry in petroleum upstream. In addition, outcomes of this study could help us in the future studies about application of natural surfactants in the Enhanced Oil Recovery (EOR) goals in petroleum reservoirs which is a part of our future works.
机译：为了成功应对世界四个角落的能源消耗增加，迫切需要生产更多的石油。不知不觉中，石油的停产和采收通过传统方法变得更加危险。因此，用于从所述油藏生产更多油的增强油采收率（EOR）方法正受到关注。请记住，在一次和二次采油方法之后，原始储油中有65％以上仍保留在储层中。由于这个事实，强调了EOR方法的重要性。表面活性剂驱油是一种EOR技术，旨在通过降低油与水之间的界面张力来减少留在孔隙中的残留油量。在这项研究中，我们从桑树的叶子中提取了一种天然的表面活性剂。桑叶的微尺寸颗粒用于配制微流体。结果表明，仅包含1 wt。％的桑叶微粒的微流体能够将由蒸馏水和​​煤油组成的系统的IFT降低60％。最后，利用岩心驱替装置，计算出提取的表面活性剂对盐水驱扫效率的影响。根据获得的岩心驱油结果，所处理的表面活性剂可以将扫油效率从原地采油（OOIP）的49％提高至66.8％。这项研究的结果是桑树在上游石油中的首次使用。此外，这项研究的结果可能会帮助我们在未来的研究中，将天然表面活性剂应用于石油储层提高采收率（EOR）目标中，这是我们未来工作的一部分。

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  • 来源
    《Fuel》 |2014年第ptaa期|749-755|共7页
  • 作者

    Mohammad Ali Ahmadi; Yaser Arabsahebi; Seyed Reza Shadizadeh; Sara Shokrollahzadeh Behbahani;

  • 作者单位

    Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran;

    Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran;

    Department of Petroleum Engineering, Abadan Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran;

    Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Ahwaz, Iran;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Natural surfactant; Mulberry; Interfacial Tension (IFT); Enhanced Oil Recovery (EOR); Carbonate rock;

    机译：天然表面活性剂;桑;界面张力（IFT）;增强采油率（EOR）;碳酸盐岩;

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