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The Environmental Risks and Oversight of Enhanced Oil Recovery in the United States
Enhanced oil recovery (EOR) is the most common oil recovery practice in the U.S., accounting for an estimated 60% of domestic crude oil production. EOR involves the injection of fluids underground to increase the flow of oil and gas to the surface. Despite its prevalence, EOR is largely unknown to the public, poses threats to groundwater, and lacks adequate oversight from state and federal regulators.