Improving Oil Production from Fractured Reservoirs Using Simultaneous Water Alternative Gas (SWAG) Injection Scenario
Publish place: Petroleum Technical Conference and Exhibition
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PTCE01_145
تاریخ نمایه سازی: 16 مهر 1392
Abstract:
Natural depletion of reservoir pressure is an unavoidable mechanism during oil production from fractured reservoirs. Due to this fact, several methods and strategies have been introduced for enhanced oil recovery (EOR). However, selection of the mostefficient EOR technique is always a concern in the reservoir management.Alternative slugs of water and gas (WAG injection) were simultaneously injected to a carbonate reservoir of Iran to improve sweep efficiency. Injection of water slugs followed by gas that leads to triple region increase the contact level of injected fluid and reservoir, stable the movement front, and finally increase the recovery. In the current study, scenario of simultaneous water alternative gas injection is simulated on a fractured reservoir of Iran, Ferdowsi Oilfield, to gain the ultimate oil recovery from this reservoir. The results show that an optimized SWAG process can increase the produced oil and recovery factor of the reservoir up to 58.909 and 37.94, respectively.
Keywords:
Oil production , Enhanced oil recovery , Fractured Reservoir , Water Alternating Gas Injection , Ferdowsi Oilfield
Authors
Hamid Reza Dashti
Department of Petroleum Engineering, Science and Research Branch, Islamic Azad University,
Ghasem Zargar
Petroleum University of Technology, Ahwaz, Iran
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