压裂用减阻剂及其减阻机理研究进展
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中国石油大学(华东)石油工程学院

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国家自然科学基金“致密油储层低摩阻纳米磁流体压裂液构筑及渗吸驱油机制”(51874334);山东省自然科学基金“致密油储层纳米磁流体压裂渗吸增油控水机理研究”(ZR2018MEE010)


Research progress of drag reducers for fracturing and its drag reduction mechanism
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School of Petroleum Engineering, China University of Petroleum (East China)

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    摘要:

    减阻剂是致密砂岩、页岩等非常规储层改造压裂液的关键添加剂,其性能将直接影响压裂施工效果。本文介绍了减阻剂类型,分析比较了减阻剂优缺点及研究进展,重点阐述了减阻剂的减阻机理及减阻失效机理,归纳总结了纳米材料在压裂减阻中的应用研究进展,指出在高温、高剪切、复杂介质等非常规储层压裂环境中,同时具有储层伤害小、携砂能力强、减阻稳定且高效、易返排、易回收利用等优点的新型多功能复合减阻剂将是今后研究的重要方向。

    Abstract:

    Drag reducer is the key additive of fracturing fluid for unconventional reservoir reconstruction, such as tight sandstone and shale, and its performance will directly influence on the fracturing operation effect. The advantages,disadvantages and application of different drag reducers were analyzed. The turbulent drag reduction and drag reduction failure mechanism of drag reducers were emphatically described. The research progress of nanomaterials in fracturing drag reduction was summarized. This paper points out that in unconventional reservoir fracturing environment such as high temperature, high shear and complex medium, the new type of multi-functional composite drag reducers with the advantages of stability, high efficient drag reduction, low reservoir damage, strong sand carrying capacity, easy flowback and easy recycling will be an important research direction in future.

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  • 收稿日期:2020-09-18
  • 最后修改日期:2020-09-18
  • 录用日期:2020-10-23
  • 在线发布日期: 2021-12-02
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