Predicting the Dryness Fraction of Gas, Pressure, and Temperature for Steam Injection Based on Unsteady Heat Transmission

被引：2
|
作者：
Xu, J. [1 ]
Yao, L. [1 ]
Wu, Z. [1 ,2 ]
Wang, S. [3 ]
Qi, B. [3 ]
机构：
[1] Sichuan Univ, Uncertainty Decis Making Lab, Chengdu 610064, Peoples R China
[2] Chengdu Univ Informat Technol, Coll Math, Chengdu, Peoples R China
[3] China Petr & Chem Corp, Res Sch Engn Technol, Deyang, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2012年 / 30卷 / 18期
基金：
美国国家科学基金会;
关键词：
coupled system; finite difference method; injection well; Runge-Kutta method; sensitivity analysis;
D O I：
10.1080/10916466.2010.509075
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Presently, a coupled system model of differential equations is proposed to predict the dryness fraction of gas, the pressure, the temperature in the wellbore, and the temperature in the stratum. In this model, the authors consider the energy loss caused by the friction of the stem flow and the unsteady heat transmission, which caused the change of the temperature in the stratum, from the second interface to the stratum. Then the fourth-order Runge-Kutta method and the finite difference method are interactively applied to solve the model. Finally, a high-temperature high-pressure gas well (7,100 m depth) in the Sichuan province of China is used to check the efficiency of the proposed model and the algorithms.
引用
收藏
页码：1893 / 1906
页数：14
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