Simulation of Gas-Water Two-Phase Flow in Tight Gas Reservoirs Considering the Gas Slip Effect

被引：0
|
作者：
Lu, Mingjing [1 ,2 ]
Wang, Zenglin [1 ,3 ]
Li, Aishan [1 ]
Zhang, Liaoyuan [1 ]
Zheng, Bintao [1 ]
Zhang, Zilin [1 ]
机构：
[1] Sinopec, Petr Engn Technol Res Inst Shengli Oilfield, Dongying 257067, Peoples R China
[2] Sinopec, Postdoctoral Sci Res Working Stn Shengli Oilfield, Dongying 257067, Peoples R China
[3] Sinopec, Shengli Oilfield, Dongying 257067, Peoples R China
来源：
FDMP-FLUID DYNAMICS & MATERIALS PROCESSING | 2023年 / 19卷 / 05期
基金：
中国博士后科学基金;
关键词：
Tight gas reservoir; gas-water two-phase flow; numerical simulation; fractured horizontal well; gas slip effect; FRACTURED HORIZONTAL WELLS; PORE STRUCTURE; MODEL; PERMEABILITY;
D O I：
10.32604/fdmp.2023.023188
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mathematical model for the gas-water two-phase flow in tight gas reservoirs is elaborated. The model can account for the gas slip effect, stress sensitivity, and high-speed non-Darcy factors. The related equations are solved in the framework of a finite element method. The results are validated against those obtained by using the commercial software CMG (Computer Modeling Group software for advanced recovery process simulation). It is shown that the proposed method is reliable. It can capture the fracture rejection characteristics of tight gas reservoirs better than the CMG. A sensitivity analysis of various control factors (initial water saturation, reservoir parameters, and fracturing parameters) affecting the production in tight gas wells is conducted accordingly. Final -ly, a series of theoretical arguments are provided for a rational and effective development/exploitation of tight sandstone gas reservoirs.
引用
收藏
页码：1269 / 1281
页数：13
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