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Energy Return on Investment (EROI) for Forty Global Oilfields Using a Detailed Engineering-Based Model of Oil Production

Fig 2

Total net energy ratio NERtot and oil-specific net energy ratio NERoil for studied global oil fields.

NERtot is always greater than or equal to NERoil. NERtot, flare adds in energy content of flared gases as consumed energy (see discussion in main text).

Fig 2