Fig. 1: Map of study area showing locations of the Olla and Nebo-Hemphill oil fields as well as the Black Lake Oil Field, from which the injected CO2 was sourced. | Nature

Fig. 1: Map of study area showing locations of the Olla and Nebo-Hemphill oil fields as well as the Black Lake Oil Field, from which the injected CO2 was sourced.

From: Rapid microbial methanogenesis during CO2 storage in hydrocarbon reservoirs

Fig. 1

Only the Olla Oil Field contains injected CO2. The inset on the right shows an expanded view with individual sample locations (nearby urban areas are denoted by stars) and a stratigraphic column showing the relevant lithologic units9.

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