CO2 injection gains momentum

Oil & Gas Journal’s exclusive biennial enhanced oil recovery (EOR) survey, p. 45, shows that the industry continues to increase the number of carbon-dioxide-injection EOR projects, while steam injection is producing less oil in California and more in the heavy oil and bitumen regions of Western Canada.EOR methods provide a way to improve recovery factors in many of the world’s known oil reservoirs. While these projects typically have higher operating costs than conventional production, they do not have the exploration costs and risks associated with finding new hydrocarbon accumulations.EOR projects usually are long-lived. As a result, companies tend to use long-term price...

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