化学暂堵体系的构建、性能及应用
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1.中石化胜利油田博士后工作站;2.中石化胜利油田石油工程技术研究院;3.江南大学化学与材料工程学院;4.中石化销售股份有限公司四川石油分公司;5.中石化胜利油田东胜石油开发集团

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中国石化股份公司胜利油田分公司博士后课题“砂岩油藏作业过程中自适应暂堵体系研究”(课题编号YKB2109)。


Fabrications, Properties and Applications of Chemical Temporary Blocking Systems
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    摘要:

    暂堵作业是油气开发过程中防治漏失的重要手段。相较于暂堵球、封隔器及连续油管等物理暂堵模式,化学暂堵具有操作简易、成本可控、可直接作用于储层的优势,作为暂堵作业的主要手段得到广泛研究。基于其外观形态,化学暂堵剂可分为颗粒型、纤维型、凝胶型、表面活性剂类暂堵剂及复配暂堵体系。本文分类概括论述了各种暂堵剂的研究进展、作用机理、技术特点及应用,并针对常规暂堵体系的应用局限提出暂堵剂领域亟需解决的问题及发展方向。

    Abstract:

    Temporary plugging operation plays a crucial role in preventing leakoff during oil/gas exploitation. In comparison with mechanical shielding procedures such as temporary blocking ball, packer and coiled tubing, chemical division modes have been more thoroughly explored and more commonly applied due to their the intrinsic merits such as easy to operation, low cost and direct function in the reservoir crack. Chemical shieling agents are usually categorized into particulate, fiber-pattern, gel-pattern, surfactant and even multi-complex temporary plugging systems, based on their distinct shapes, patterns and composition. This paper reviews the progress, mechanisms, characteristics and applications of conventional chemical division agents. Simultaneously, the demerits needed to be solved urgently and future prospects of shielding systems are also analyzed.

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  • 收稿日期:2022-04-07
  • 最后修改日期:2022-04-27
  • 录用日期:2022-05-16
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