Reservoir Temperature and Pressure Impacts on Oil Recovery Factor of Enhanced Oil Recovery during Methane-rich, Propane-rich, and Carbon Dioxide Gas Injections

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Experimental analysis reveals CO2 injection enhances oil recovery factors in varying reservoir conditions, suggesting effective EOR methods.

CO2 injection achieved the highest oil recovery factor, ranging from 18% to 35%, compared to other gas injections.
The study utilized 27 core samples in a core flooding apparatus at temperatures of 100°F, 150°F, and 200°F under various pressures.
Lower temperatures combined with higher pressures improved oil recovery factors across all gas injection methods.
Findings emphasize the need to consider reservoir temperature and pressure for maximizing oil recovery in EOR operations.

Daniel Oji Ndem (2025) studied this question.

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Experimental analysis reveals CO2 injection enhances oil recovery factors in varying reservoir conditions, suggesting effective EOR methods.