新疆石油地质

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (5): 575-577.

• 油藏工程 • 上一篇    下一篇

原油乳化液的流变性研究

张峰1, 秦积舜2, 张星1, 孙仁远1   

  1. 1.中国石油大学石油工程学院山东东营 257061;
    2.中国石油石油勘探开发科学研究院, 北京 100083
  • 收稿日期:2005-12-01 修回日期:2006-03-08 出版日期:2006-10-01 发布日期:2020-10-20
  • 作者简介:张峰(1967-), 男, 山东泰安人, 在读博士研究生, 油气井工程,(Tel) 0546-8396040(E-mail) zhxhdpu@163.com.
  • 基金资助:
    国家863计划, 纳米微粒分散体成胶机制及调驱机理研究(2004AA616160)资助

A Study on Rheology Property of Emulsion of Crude Oil

ZHANG Feng1, QIN Ji-shun2, ZHANG Xing1, SUN Ren-yuan1   

  1. 1. College of Petroleum Engineering, China University of Petroleum, Dongying, Shandong 257061, China;
    2. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
  • Received:2005-12-01 Revised:2006-03-08 Online:2006-10-01 Published:2020-10-20

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摘要： 油水乳化液粘度是油田开发中的重要参数,模拟某油田地层条件,应用流变装置测试高温高压条件下油水乳化液的粘度,结果表明,油水乳状液的转相点在含水率为40%~60%,建立了乳化液粘度预测数学模型,其粘度变化规律符合高斯函数和Lorentzian(劳伦兹) 函数,随着气油比的增加,乳化液粘度降低,且与常温常压下不含气的油水乳化液粘度有类似的规律,为油田开发提供理论依据。

关键词: 乳化液, 含水率, 粘度, 流变性, 规律

Abstract: Viscosity of water-oil emulsion is an important parameter for oilfield development, which should be measured in condition of high temperature and high pressure using rheometer, when matching the formation conditions of an oilfield. The study shows that the point of reverse phase of water-oil emulsion occurs at water cut from 40% to 60%, by which the mathematical model for the emulsion viscosity prediction is developed. The viscosity variation is accordant with Gaussian and Lorentzian functions. That is, the viscosity of water-oil emulsion will be decreased with increase of gas-oil ratio, similar to the law of gas-free emulsion viscosity at normal temperature and pressure. These results provide the theoretical bases for oilfield development.

Key words: emulsion, water cut, viscosity, rheology, characteristic, law

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