煤储层含煤粉流体流固耦合渗流数学模型

王旱祥,兰文剑,刘延鑫,张浩,于浩

doi:10.11764/j.issn.1672-1926.2013.04.667

天然气地球科学 >

2013 , Vol. 24 >Issue 4: 667 - 670

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.04.667

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煤储层含煤粉流体流固耦合渗流数学模型

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1.中国石油大学（华东）机电工程学院，山东青岛 266580； 2.胜利油田技术检测中心，山东东营 257000； 3.中海油（中国）有限公司渤中作业公司，天津 300452

王旱祥(1967-),男,浙江上虞人,教授,博士,主要从事石油钻采设备与工艺技术及煤层气排采工艺技术研究. E-mail:wanghx1899@163.com.

收稿日期: 2012-12-06

修回日期: 2013-01-16

网络出版日期: 2013-08-10

基金资助

国家科技重大专项项目“煤层气排采工艺与数值模拟技术”（编号:2011ZX05038）；山东省科技发展计划项目“煤层气排采出煤粉机理研究”（编号:2012G0020407）联合资助.

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Mathematical Model of Fluid-solid Coupling Percolation with Coal Powder in Coal Reservoir

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1.College of Mechanical and Electronic Engineering,China University of Petroleum (Huadong),Qingdao 266580,China；
2.Technology Inspection Center of Shengli Oil Field,Dongying 257000,China；
3.CNOOC China Limited Bozhong Operating Company,Tianjin 300452,China

Received date: 2012-12-06

Revised date: 2013-01-16

Online published: 2013-08-10

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摘要

通过考虑储层煤岩变形、骨架煤粉剥离、煤粉在孔隙中的运移沉积和喉道处的堵塞对煤岩物性参数（如孔隙度、渗透率、孔隙压缩系数及煤岩密度等）的影响，并考虑气溶于水及流体的源汇相的情况，建立了煤储层含煤粉流体流固耦合渗流的数学模型，为煤层气开发数值模拟提供理论基础。

关键词： 多孔介质; 煤粉; 流固耦合; 渗流

本文引用格式

王旱祥,兰文剑,刘延鑫,张浩,于浩 . 煤储层含煤粉流体流固耦合渗流数学模型[J]. 天然气地球科学, 2013 , 24(4) : 667 -670 . DOI: 10.11764/j.issn.1672-1926.2013.04.667

Abstract

By considering the effect of the deformation of coal or rock in reservoir,skeleton coal powder stripping,coal powder migration and deposition in pore,and coal powder block at pore throats on the physical property parameters of coal or rock (such as porosity,permeability,pore compressibility and density et al),and considering the solution of coalbed methane in water and fluid source sink term,a mathematical model of fluid-solid coupling percolation with coal powder in coal reservoir is established,which provides theoretical foundation for numerical simulation of CBM development.

Key words： Porous medium; Coal powder; Fluid-solid coupling; Percolation

参考文献

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