GLOBAL OIL RESERVES-2: Recovery factors leave EOR plenty of room for growth

Within a broad context, the applicability of the assortment of improved oil recovery and enhanced oil recovery technologies depends by and large on two factors: the API gravity of the oils and the depth of the reservoirs.This second of two parts summarizes the reserves classifications and discusses EOR’s potential production growth.In reality, the proper technical selection parameters are the oil viscosity and the reservoir pressure. These, however, are related empirically to oil gravity and reservoir depth, respectively.World oil reserves were sorted by API gravity and depth. The gravity classifications are: light (>35°), medium (26-35°), heavy (10°-<26°) and ...

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