Enhanced Heavy Oil Recovery By Using Thermal and Non-Thermal Methods

چکیده مقاله

Many believe that the era of conventional oil will soon come to an end and heavy and nonconventional oil will be replaced by easy producing oils. Compared with conventional oil, heavy oil has reduced mobility; it is termed as heavy oil because it has higher specific gravity and density along with viscosity when compared with the conventional oil. The viscosity is between 100 CP or greater and API gravity less than 20°. API gravity is a specific gravity scale developed by the American petroleum institute to measure the relative density of various petroleum liquids, expressed in degrees. The lower the API number, the heavier the oil and the higher its specific gravity. In this paper introduced thermal and non-thermal methods for heavy oil recovery and investigated some parameters effect on oil recovery , such as : effect of reservoir temperature on oil recovery , effect of temperature of injected fluid on oil recovery , effect of injection pressure on oil recovery , effect of reservoir temperature on gas oil ratio (GOR) and effect of reservoir temperature on water production .

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