Numerical Study of Enhanced Oil Recovery Using In Situ Oxy-Combustion in a Porous Combustion Tube

Author:

Hamdy Mohamed1,Mahmoud Mohamed2,Aladeb Olakane2,Mokheimer Esmail M. A.345

Affiliation:

1. Department of Mechanical Engineering, College of Engineering, King Fahd University of Petroleum and Minerals (KFUPM), P. O. Box 279, Dhahran 31261, Saudi Arabia

2. Department of Petroleum Engineering, College of Petroleum Engineering & Geosciences, King Fahd University of Petroleum and Minerals, P.O. Box 5049, Dhahran 31261, Saudi Arabia

3. Department of Mechanical Engineering, College of Engineering;

4. K.A.CARE Energy Research and Innovation Center;

5. Center of Research Excellence in Renewable Energy (CoRe-RE), King Fahd University of Petroleum and Minerals (KFUPM), P. O. Box: 279, Dhahran 31261, Saudi Arabia

Abstract

Abstract In situ combustion (ISC) in a one-dimensional combustion porous tube has been modeled numerically and presented in this article. The numerical model has been developed using the cmg stars (2017.10) software and it was used to model especial cases for validation against published experimental data. A comprehensive chemical reaction scheme has been developed and used to simulate the ISC process in the lab scale. Moreover, co-injection of oxygen with carbon dioxide (O2/CO2); and co-injection of enriched air (O2/N2) have been further investigated. In the case of using (O2/N2) as an oxidizer, increasing the oxygen ratio from 21% to 50% leads to increasing the oil recovery factor from 31.66% to 66.8%, respectively. In the case of using (O2/CO2) as an oxidizer, increasing the oxygen ratio from 21% to 50% leads to increasing the oil recovery factor from 35.77% to 70.3%, respectively. It was found that the co-injection of (O2/CO2) gives higher values of the oil recovery factor compared with that given when oxygen-enriched air (O2/N2) is injected for ISC. The change in the produced cumulative hydrogen and hydrogen sulfide is considered small whether using (O2/CO2) or (O2/N2) as an oxidizer.

Funder

DSR of King Fahd University of Petroleum and Minerals

Publisher

ASME International

Subject

Geochemistry and Petrology,Mechanical Engineering,Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment

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