Unlock enhanced oil recovery potential to meet India’s surging energy demands. This essential guide delves into the intricate science of chemical EOR, exploring mechanisms of alkali, surfactant, and polymer flooding. Discover the revolutionary impact of nanofluids and nanoparticles in boosting crude oil production from mature reservoirs. It provides crucial screening criteria, practical guidelines, and fundamental insights for practicing engineers, consultants, and students seeking to master advanced reservoir engineering techniques and accelerate field applications.