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Table 1 Geological and geochemical bulk data.

From: Could petroleum biodegradation be a joint achievement of aerobic and anaerobic microrganisms in deep sea reservoirs?

Oil Depth interval
(m)
Age Temp. (°C) Reservoir S (%) Sat. HCs (%) Arom. HCs (%) NSOs (%) ° API δ1CVPDB (‰)
P1 2812-2821 Early Cretaceus 85 Lagoa Feia Formation (coquinas) 0.18 50.70 25.35 23.94 30.7 -23.61
P2 2088-2100 Early Cretaceus 71 Macaé Formation (calcarenites) 0.65 42.55 23.68 33.77 19.7 -24.52