Crude oil oxidation in an air injection based enhanced oil recovery process: Chemical reaction mechanism and catalysis

C Yuan, W Pu, MA Ifticene, S Zhao… - Energy & …, 2022 - ACS Publications
Air injection as a thermal method for heavy oil recovery has a long history of about a century.
However, it has not been widely applied in oilfields to date because of many challenges …

Low-temperature combustion behavior of crude oils in porous media under air flow condition for in-situ combustion (ISC) process

C Yuan, K Sadikov, M Varfolomeev, R Khaliullin, W Pu… - Fuel, 2020 - Elsevier
A porous medium thermo-effect cell (PMTEC) was developed to fast characterize the
combustion of crude oils in porous media in air flow for air injection enhanced oil recovery …

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 …

Experimental evaluation of live oil oxidation together with its physical properties during air injection in a tight oil reservoir

G Liu, T Zhang, Q Xie, W Liu, L Wang, D Yang - Fuel, 2021 - Elsevier
In this paper, an integrated and pragmatic framework has been developed to experimentally
determine the live oil oxidation with its physical properties and evaluate performance of air …

EPR as a complementary tool for the analysis of low-temperature oxidation reactions of crude oils

SS Mehrabi-Kalajahi, MA Varfolomeev, C Yuan… - Journal of Petroleum …, 2018 - Elsevier
Air injection is a promising method for enhanced oil recovery (EOR) in both conventional
and unconventional oil sources. It is widely accepted that oxidation reactions between oil …

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 …

Catalytic oxidation of alkanes by organometallics in an in situ combustion process

C Yuan, W Pu, DA Emelianov, S Mehrabi-Kalajahi… - Energy & …, 2022 - ACS Publications
The complicated composition of crude oils increases the difficulties in understanding their
complex oxidation mechanism and catalysis in an air injection enhanced oil recovery (EOR) …

Combined steam–air flooding studies: Experiments, numerical simulation, and field test in the qi-40 block

J Yang, X Li, Z Chen, J Tian, X Liu, K Wu - Energy & Fuels, 2016 - ACS Publications
Air has the characteristics of low-temperature oxidation (LTO) as well as improving drainage
energy. Therefore, it can be co-injected with steam to enhance an oil recovery factor. This …

Effects of water on light oil recovery by air injection

NK Gargar, AA Mailybaev, D Marchesin, H Bruining - Fuel, 2014 - Elsevier
We formulate a mathematical model for one dimensional flow with chemical reactions
resulting from injection of air into a porous medium initially filled with gas, water and volatile …

Compositional effects in light/medium oil recovery by air injection: vaporization vs. combustion

NK Gargar, AA Mailybaev, D Marchesin… - Journal of Porous …, 2014 - dl.begellhouse.com
Combustion can be used to enhance recovery of heavy, medium, or light oil in highly
heterogeneous reservoirs. Such broad range of applicability is attained because not only do …