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    期刊文献+

    剪切作用对改性原油流变性影响的研究进展 认领

    Research Progress on Effect of Shearing on Rheological Properties of Modified Crude Oil
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    摘要 含蜡原油(特别是经降凝剂改性处理的含蜡原油)的流变性与其所经历的剪切历史有关。本文主要总结了剪切作用对于加剂含蜡原油低温流变性影响研究的研究进展:高速剪切作用可以破坏蜡晶聚集体,进而使得加剂含蜡原油在低温下的流动性恶化,而低速剪切对加剂油的流动性影响如何则存在争议。并且提出了以下研究建议:分别从剪切强度、剪切时间、剪切温度、原油组成等方面单独研究各因素对于加剂含蜡油流变性的影响。 The rheology of waxy crude oil(especially waxy crude oil modified by pour point depressant)is related to its shear history.The research progress of the effect of shear on the low-temperature rheology of waxy crude oil with additives was mainly summarized:high-speed shearing can destroy wax crystal aggregates,which will worsen the fluidity of additive waxy crude oil at low temperatures.However,how low-speed shear affects the fluidity of additive oil is controversial.The following research suggestions were put forward:the influence of each factor on the rheology of additive waxy oil should be separately studied from the aspects of shear strength,shear time,shear temperature,and crude oil composition.
    作者 孙亚东 孙鹏辉 李栋 丁夷非 刘壮 SUN Ya-dong;SUN Peng-hui;LI Dong;DING Yi-fei;LIU Zhuang;无(National Engineering Laboratory for Oil and Gas Pipeline Transportation Safety,Beijing 102249;Petroleum Engineering College,Beijing 102249;School of Mechanical and Storage Engineering,China University of Petroleum,Beijing 102249,China)
    出处 《广州化工》 CAS 2021年第2期19-20,32,共3页 GuangZhou Chemical Industry
    关键词 剪切 含蜡油 流变性 蜡晶 shearing waxy oil rheology wax crystals
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