Nutrient Stimulation of Indigenous Microorganisms for Oil-in-Water Emulsion in a Medium Temperature Petroleum Reservoir with Ca<sup>2+</sup>-Rich Brine

<div>Oil spreading test represents the surfactant production ability by indigenous microbial consortia; “+” indicated the emulsify level of crude oil; OR used as the control.</div>

Geofluids

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Figure 3

Figure 3: Nutrient Stimulation of Indigenous Microorganisms for Oil-in-Water Emulsion in a Medium Temperature Petroleum Reservoir with Ca<sup>2+</sup>-Rich Brine 

Figure 3 | Nutrient Stimulation of Indigenous Microorganisms for Oil-in-Water Emulsion in a Medium Temperature Petroleum Reservoir with Ca2+-Rich Brine 