Predicting Well Deliverability of a Gas Condensate Reservoir with Near Wellbore Effects
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IAUOOIL01_150
تاریخ نمایه سازی: 21 آبان 1389
Abstract:
With increasing the demand of gas in the world, the gas condensate reservoir has become more and more important to study the characteristics of gas condensate well deliverability. A single-well radial simulator was established to study the effects of fluid richness, gas relative permeability, absolute permeability and pressure drawdown on well deliverability with and without including near wellbore effects in these reservoirs. Well deliverability in the most gas condensate reservoirs is reduced by condensate blockage when the well bottom-hole pressure falls below the dew point. Although the impact of condensate blockage may be reduced due to improved mobility at high capillary number in the near-well region, the effect is significant when reservoir pressure is just lower than dew point pressure. Simulations results show that PVT properties of reservoir fluids, absolute permeability, and production pressure drawdown have significant influence on the well gas condensate deliverability. Based on our study the optimized production rate and drawdown pressure also can be obtained for more deliverability.
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Authors
Mojtaba Moradi DowlatAbad
Islamic Azad University, Science and Research Branch of Tehran
Fariborz Rashidi
AmirKabir University of Technology,
Amin Hossein Pour
Islamic Azad University, Branch of Shiraz
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