MODEL OF CO2 INJECTION AT TERTIARY OIL RECOVERY (ENHANCED OIL RECOVERY)

• Main Author: RIDHO , MUHAMMAD
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/23325
• Institution: Institut Teknologi Bandung

Oil recovery process consist of some stages based on the energy used in producing oil. First <br /> <br /> <br /> <br /> <br /> stage is called primary oil recovery. At this stage, oil is produced by the reservoir energy itself. <br /> <br /> <br /> <br /> <br /> Next stage is called secondary oil recovery. At this stage, the energy used in producing oil has <br /> <br /> <br /> <br /> <br /> decreased so we will use the other energy from outside reservoir usually waterflooding. Last <br /> <br /> <br /> <br /> <br /> stage is called tertiary oil recovery better known as Enhanced Oil Recovery (EOR). In EOR, we <br /> <br /> <br /> <br /> <br /> use advanced technic in oil production. <br /> <br /> <br /> <br /> <br /> This final report discuss about a mathematic model from primary oil recovery till Enhanced Oil <br /> <br /> <br /> <br /> <br /> Recovery using as drivers in reservoir. <br /> <br /> <br /> <br /> <br /> This model uses some assumption as follows : horizontal system and one dimensional flow. By <br /> <br /> <br /> <br /> <br /> using continuity equation, oil flow is described as mass flow at a straight line. The model is <br /> <br /> <br /> <br /> <br /> described by partial differential equation, then by using finite difference method the model is <br /> <br /> <br /> <br /> <br /> transformed to a discrete model to know how the solution of the model. The independent <br /> <br /> <br /> <br /> <br /> variables are the reservoir pressure, oil saturation, and water saturation. <br /> <br /> <br /> <br /> <br /> Keyword : continuity equation, finite difference, reservoir pressure, fluid saturation