 This paper provides a comprehensive review of enhanced oil recovery, bar, technologies and their potential to increase final recovery factors in various types of reservoirs, with a focus on sandstone and carbonate formations and turbiditic reservoirs, both onshore and offshore. The paper discusses the status and opportunities for IR methods, including CO2 injection, high pressure air injection, HPAI, and chemical flooding, as well as their risk reward trade-offs and recent trends in project economics. This article was authored by Vladimir Alvarado and Eduardo Manrique.