Enhanced Oil Recovery Market was valued at US$ 18.07 Bn. in 2021. Global Enhanced Oil Recovery Market size is estimated to grow at a CAGR of 7.43%. Enhanced Oil Recovery Market Overview: Enhanced oil recovery (EOR), also known as tertiary recovery, and is the process of mobilizing normally immobile leftover oil physically, chemically, or thermally. Oil extracting companies have begun to rely on EOR or tertiary oil recovery technologies as primary and secondary oil recovery techniques often leave up to 75% of the oil in the reservoir. The most widely used EOR techniques across the globe are thermal recovery, gas injection, and chemical injection. Oil firms are developing technology to increase onshore EOR processes, amidst the great majority of EOR technologies are now used offshore EOR processes.