Enhanced Oil Recovery (EOR): Techniques and Benefits
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Unlocking Reservoir Potential: A Guide to Enhanced Oil Recovery (EOR) Enhanced Oil Recovery (EOR) 1. Introduction to Enhanced Oil Recovery (EOR): Enhanced Oil Recovery (EOR) represents a critical advancement in the field of petroleum extraction, aimed at augmenting the output from mature oil fields. As conventional methods of oil recovery—namely primary and secondary recovery techniques —fail to extract more than 30-40% of the oil from a reservoir, EOR techniques are deployed to retrieve the remaining oil, making it a crucial aspect in the energy sector. The relevance of EOR has escalated alongside rising global energy demands and the depletion of easily accessible oil reserves. The methods employed in EOR involve sophisticated technologies that alter the original properties of oil or the conditions within the reservoir to improve extraction efficiency. These technologies typically fall under three broad categories: chemical, thermal, and gas injection methods, each with unique mechani...