High pressure capsule injection process for oil recovery
作者： Mohamed A. Mahmoud , Mir Muhammad Mansoor Alam
DOI:
关键词: Viscosity 、 Carbonate rock 、 Citric acid 、 Carbonate 、 Seawater 、 Chemical engineering 、 High pressure 、 Chemistry 、 Calcium carbonate 、 Capsule
摘要: Oil recovery processes from carbonate or sandstone reservoirs. With a reservoir, the reservoir is initially flooded with fluid such as sea water. Then same containing plurality of citric acid-filled microcapsules injected into reservoir. These are left to incubate in which will then infiltrate rock formations, degrade by heat and release encapsulated acid. The released acid reacts rocks produce CO2 situ, causes oil trapped formations swell, reduce viscosity move towards nearby production well. For calcium can be also for generation at
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