The oxidation of heavy oil to enhance oil recovery: The numerical model and the criteria to describe the low and high temperature oxidation

被引：35

作者：

Chu, Yue ^{[1
]}

Fan, Cheng ^{[1
]}

Zhang, Qiang ^{[1
]}

Zan, Cheng ^{[2
]}

Ma, Desheng ^{[2
]}

Jiang, Hang ^{[2
]}

Wang, Yao ^{[1
]}

Wei, Fei ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Green Chem React Engn & Technol, Beijing 100084, Peoples R China

[2] China Natl Petr Corp, Res Inst Petr Explorat & Dev, State Key Lab Enhanced Oil Recovery, Beijing 100007, Peoples R China

来源：

CHEMICAL ENGINEERING JOURNAL | 2014年 / 248卷

关键词：

Heavy oil; Recovery; Numerical simulation; High temperature oxidation; Low temperature oxidation; Governing dimensionless number; IN-SITU-COMBUSTION; THERMOGRAVIMETRIC ANALYSIS; VISCOSITY HETEROGENEITY; BITUMEN RECOVERY; CRUDE-OIL; TAR SAND; RESERVOIRS; KINETICS; SIMULATION; REDUCTION;

D O I：

10.1016/j.cej.2014.03.036

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The in situ oxidation of heavy oil brings exothermic reaction between the hydrocarbon and the oxygen, which renders advantages in high efficiency in heat utilization and displacement for oil recovery. The simulation of oxidation is very convenient to investigate the influence of operation parameters and reflect the dynamic response. In this contribution, a mathematical model to simulate the temperature distribution during the oxidation of heavy oil with the injection wells and the production wells arranged in the hexagonal pattern was developed. The effects of convection, diffusion, oxidation reaction, and coking were considered. The temperature distributions in the high- and low-temperature oxidation processes were simulated. The results exhibited that the modeling domain can be heated by both processes. The significant change in the kinetic parameters of oxidation and coking with temperature induced the different oxidation behaviors between the high- and low-temperature oxidation processes. Two dimensionless parameters, KP and HP factor, were proposed based on the simulation results as the criteria to determine the strength of the oxidation reactions in the enhanced oil recovery process. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：422 / 429

页数：8

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