注蒸汽驱油过程火用的传递和转换规律  

Exergy Transfer and Conversion Principle in the Process of Steam Flooding

作　　者：成庆林[1] 赵妍[1] 丁宁[1] 衣犀[1] 孙巍[1] 

机构地区：[1]东北石油大学提高油气采收率教育部重点实验室,黑龙江大庆163318

出　　处：《数学的实践与认识》2015年第24期129-135,共7页Mathematics in Practice and Theory

基　　金：国家自然科学基金(51106020;51534004);黑龙江省普通高等学校青年学术骨干计划支持项目(1252G005);东北石油大学研究生创新科研项目(YJSC2015-009NEPU)

摘　　要：油藏多孔介质内注蒸汽驱油过程存在能量和火用的传递和转换.以油藏多孔介质内注蒸汽驱油过程的火用方程为前提,结合基本广延量的平衡方程,建立驱油过程的能量传递方程,过渡到火用传递的动力学方程,通过热火用、压火用传递的分量方程得到注蒸汽驱油过程的总火用传递方程.并应用CMG软件对注蒸汽驱油过程进行数值模拟,探讨了注蒸汽驱油过程热火用和压火用之间的转换和传递规律及火用损机制,为驱油过程能量系统优化提供理论依据.Energy and exergy transfer and conversion exist in the process of steam flooding in oil reservoir porous media, on the premise of exergy equation in the process of steam flooding in Oil reservoir porous media, combined with the balance equation of basic extensive parameter, the energy transfer equation in the oil displacement pr（~cess can be established, which can be transited to the dynamic equations of exergy transfer. Transfer equation of total exergy in the process of steam flooding can be obtained through the component equations for thermal and pressure exergy transfer. Then the CMG software is applied-to carry out the numerical simulation of the process of steam flooding. The principle of transfer and conversion between thermal and pressure forms of exergy and the exergy loss mechanism are discussed, which provides theoretical foundation for optimizing the energy system in oil displacement process.

关 键 词：多孔介质 熵平衡 火用传递 火用损 数值模拟 

分 类 号：TE357.44[石油与天然气工程—油气田开发工程]