Investigation on the reaction mechanism of methane combustion near flammability limits at elevated pressures and temperaturaes

P Li, Z Liu, M Li, Y Zhao, X Qian, Y Ren - Energy, 2023 - Elsevier
Combustible gas explosions may occur at elevated pressure and temperature of wellbore
conditions. To better understand and protect against wellbore explosion, it is necessary to …

Comprehensive investigations into low temperature oxidation of heavy crude oil

S Zhao, W Pu, MA Varfolomeev, C Yuan… - Journal of Petroleum …, 2018 - Elsevier
Due to the significance of low temperature oxidation (LTO) process on the subsequent
oxidation reactions and oil recovery for in situ combustion (ISC), this work aimed at …

Combustion tube experiments on key factors controlling the combustion process of air injection with light oil reservoir

Z Liu, W Pu, X Zhao, S Zhu, B Wei, X Ao, J Xu… - Geoenergy Science and …, 2023 - Elsevier
High pressure air injection (HPAI) has unique advantages due to its rich gas source and
unique high-energy displacement effect of the thermal front. Thermal effect of air injection …

Investigation on the limiting oxygen concentration of combustible gas at high pressures and temperatures during oil recovery process

P Li, Z Liu, M Li, Y Zhao, X Li, S Wan, Y Ma, Y He - Energy, 2021 - Elsevier
High pressure air injection is an important method for oil recovery. In this process, due to
exist of combustible gas and oxygen, the wellbore explosion accident may happen. To solve …

Exothermal property and kinetics analysis of oxidized coke and pyrolyzed coke from Fengcheng extra-heavy oil

JX Wang, LL Wang, TF Wang… - Industrial & Engineering …, 2021 - ACS Publications
The exothermic combustion characteristics of coke play a direct and essential role in artificial
ignition and the stability of the combustion front during the heavy oil in situ combustion (ISC) …

New insights on low temperature oxidation characteristics and possibility of auto-ignition in light oil reservoir

Z Liu, W Pu, B Huang, S Zhu, Y Li, X Ao, Z Xiang… - Geoenergy Science and …, 2023 - Elsevier
High pressure air injection (HPAI) can improve oil recovery by 10%–20% due to its unique
oxidation heat effect. The high temperature and pressure thermostatic device is used to …

Identification of Gas Channeling and Construction of a Gel-Enhanced Foam Plugging System for Oxygen-Reduced Air Flooding in the Changqing Oilfield

T Wang, L Wang, H Qin, C Zhao, Z Bai, X Meng - Gels, 2022 - mdpi.com
The accurate identification of gas channeling channels during foam-assisted oxygen-
reduced air flooding (FAORAF) and the analysis of the main controlling factors are essential …

A numerical simulation investigation on low permeability reservoirs air flooding: Oxidation reaction models and factors

Z Cheng, T Wang, Z Bai, L Wang, C Yuan… - Geoenergy Science and …, 2023 - Elsevier
A precise oxidation reaction model determines the reliability of numerical simulation results
and the prediction of field performance of air injection-based enhanced oil recovery (EOR) …

Catalytic Effect of Cobalt Additive on the Low Temperature Oxidation Characteristics of Changqing Tight Oil and Its SARA Fractions

T Wang, J Wang - Energies, 2019 - mdpi.com
Air flooding is a potential enhanced oil recovery (EOR) method to economically and
efficiently develop a tight oil reservoir due to its sufficient gas source and low operational …

Physical Simulation of Gas Injection Mechanism for High Dip Reservoir

K Xiao, X Li, X Li - Processes, 2023 - mdpi.com
High dip angle reservoirs are affected by gravity, resulting in poor sweep performance at the
middle and high parts during waterflooding development. Previous studies have proposed …