摘要
为解决水平井开采煤成气时出现的渗流问题 ,利用渗流方程和皮斯曼 (Peaceman)方程给出了水平井二维非均质不稳定渗流场的迭代解法 ,用二维各向同性均匀介质的理论解进行了计算验证 ,结果表明差分解与理论解符合得很好 ,并给出了数值算例。这一差分解的求得 ,解决了理论解无法解决的含水平井的复杂地质体流体渗流问题 。
Aiming at the problem of fluid in porous media occurred in the production of coalbed ethane with horizontal wells, the fluid equation and the Peaceman' equation were used to derive the iterative method of 2D transient anisotropic fluid in porous media of horizontal well. The iterative method has been verified by analysis of 2D transient isotropic fluid. The result shows that the isotropic fluid obtained with finite difference method perfectly agrees with that of isotropic fluid obtained with the theoretical analysis. Hence the problem of fluid in the complicated geologic body of a horizontal well can be solved, providing a foundation for solving the practical problem which can not be solved by teoretical analysis.
出处
《中国矿业大学学报》
EI
CAS
CSCD
北大核心
2003年第1期31-33,43,共4页
Journal of China University of Mining & Technology
基金
国家自然科学基金项目 ( 40 172 0 5 9)
