考虑吸附现象作用的三维四相多组分模型  

ADSORPTION-CONSIDERED MULTICOMPONENT MODEL WITH THREE DIMENSIONS AND FOUR PHASES

作　　者：张茂林[1] 梅海燕[1] 孙良田[1] 李士伦[1] 刘明高[2] 钱根宝[2] 

机构地区：[1]西南石油学院 [2]新疆油田分公司

出　　处：《天然气工业》2002年第5期77-80,共4页Natural Gas Industry

基　　金："油气藏地质及开发工程国家重点实验室"开放基金资助项目 (PLN990 2 )。

摘　　要：在油气藏渗流过程中 ,油相、气相和吸附相内各烃类组分将会发生相间传质现象 ,油、气的相态也会随之发生转变 ;对于这类流体在孔隙介质中渗流的力学特征和各种物理化学问题 ,可以归结为求解三维四相多组分数学模型。文章在提出考虑“吸附现象作用”的多组分模型假设条件之后 ,建立了相应的三维四相 (油相、气相、水相和吸附相 )多组分数学模型。为了完成油相、气相和吸附相的相平衡计算 ,建立了考虑“吸附现象作用”、适合于地下油气藏烃类体系的三相 (气相、液相和吸附相 )相平衡热力学模型 。In the process of oil and gas perc olation flow in reservoir,the interphase mass transfer will take place among var ious hydrocarbon components in oil phase,gas phase and adsorption phase,oil and gas phases may be then transformed immediately.The mechanical characteristics of this kind of fluids flowing through porous media and the relevant physicochemic al problems may be all summed up as solving the multicomponent mathematical mode l with three dimensions and four phases.After having put forward the hypothetic al condition of adsorption considered multicomponent model,the relevant multico mponent mathematical model with three dimensions and four phases (oil,gas,water and adsorption phases) is set up in the paper.In order to achieve the phase equi librium calculation of the oil phase,gas phase and adsorption phase,the phase eq uilibrium thermodynamic model with three phases (gas,liquid and adsorption phase s) suitable for the hydrocarbon system in oil and gas reservoirs is also establi shed in consideration of the adsorption,thus providing an important theoretical foundation for researching and determining the production performance of the low permeability condensate gas reservoir or coal bed gas reservoir.

关 键 词：吸附现象 作用 三维四相多组分模型 凝析油气藏 多孔介质 多维模型 多组分相 相平衡 相态 研究 

分 类 号：TE311[石油与天然气工程—油气田开发工程]