油藏多孔介质热质传递“三箱”分析模型研究

王志国; 张雷; 张文福; 贾永英; 尹柴玲

doi:10.6052/0459-1879-13-379

油藏多孔介质热质传递“三箱”分析模型研究

1.
黑龙江省防灾减灾及防护工程重点实验室, 大庆 163318
2. 东北石油大学土木建筑工程学院, 大庆 163318

基金项目: 国家自然科学基金项目（51176023，51178087）、提高油气采收率教育部重点实验室开放基金项目（201301）和黑龙江省教育厅科学技术研究项目（12531057）资助.

详细信息

作者简介:
王志国，教授，主要研究方向：热力学与油气开采交叉科学研究.E-mail：dqwangzhiguo@126.com

中图分类号: TE357.44
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出版历程
- 收稿日期: 2013-11-10
- 修回日期: 2013-12-22
- 刊出日期: 2014-05-17

STUDY ON ANALYSIS METHOD OF “THREE BOX” IN HEAT AND MASS TRANSFER PROCESS OF RESERVOIR MEDIA

1.
Heilongjiang Key Laboratory of Disaster Prevention, Mitigation and Protection Engineering, Northeast Petroleum University, Daqing 163318, China
2. School of Civil Engineering and Architecture, Northeast Petroleum University, Daqing 163318, China

Funds: The project was supported by the National Natural Science Foundation of China (51176023, 51178087), Opening Project of Enhance Oil Recovery Key Laboratory of Ministry of Education (201301) and the Science and Technology Research Program of Heilongjiang Provincial Department of China (12531057).

摘要

摘要: 油藏多孔介质孔隙组成及结构变化多样，一些特性参数很难全部获得，精确描述和分析困难；另外，多孔介质内渗流过程水力条件和作用机理复杂，存在热流固耦合作用，目前的一些分析方法和研究模型具有一定的局限性.提出了油藏多孔介质的表征单元体（representative elementary volume，REV）描述表征方法；基于表征单元体建立了多孔介质的黑箱模型、灰箱模型和白箱模型，据此提出了多孔介质的“黑箱→灰箱→白箱”分析过程.基于黑箱模型和灰箱模型推导了REV导热系数计算公式、给出了REV热质传递过程的热平衡方程.结合中国油藏热采情况，对多孔介质导热系数变化规律和蒸汽驱热质传递特性进行了分析，得到了一些有意义的结果.该工作为多孔介质热质传递过程分析提供了新思路和新方法.
- 表征单元体 /
- “三箱”分析模型 /
- 油藏多孔介质 /
- 导热系数 /
- 热质传递
Abstract: The composition and structure of reservoir porous media are varied. It is di cult to obtain its full parameters, and the accurate description and analysis become di cult as well. In addition, the hydraulic conditions and mechanism of seepage process in porous media are complex, and there also has thermo-hydro-mechanical coupling e ect in porous media. So the current analysis methods and models have certain limitations. This paper presents the REV (representative elementary volume) description method of reservoir porous media. Based on the REV, the author established blackbox model, gray-box model and white-box model of porous media, and proposed "black box → gray box → white box" analysis process in porous media. Also based on black-box and gray-box models, the calculation formulas of REV thermal conductivity were derived, and heat balance equation of heat and mass transfer process was given. Combined with our reservoir thermal recovery situation, this paper analyzed the variation of the thermal conductivity and the characteristics of heat and mass transfer in steam drive, and obtained some useful results. This paper provided a new idea and method to analyze the heat and mass transfer in porous media.
- representative elementary volume /
- “three box” analysis model /
- reservoir media /
- thermal conductivity /
- heat and mass transfer

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