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W/O型原油乳状液是原油开采和集输过程中常见的油水共存状态, 其流变性质是多相混输管道流动安全保障的基础资料。阐述了分散相液滴体积分数及粒径对原油乳状液表观黏度的影响, 总结了现有的黏度预测模型;分析了乳状液中无固相存在时, 以及有蜡晶析出时, 液滴自身以及液滴与蜡晶共同作用对乳状液黏弹性的影响;从屈服过程的变化、 屈服应力、 屈服应变的角度, 详尽分析了分散相液滴导致原油乳状液凝胶屈服行为发生的改变;从原油乳状液凝胶的结构裂降和结构恢复行为两个方面, 分别探讨了含水率对其触变性的影响。
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