Impact of Hydraulic Fracture on Gas Condensate Reservoirs

  • سال انتشار: 1395
  • محل انتشار: دومین کنفرانس ملی ژئومکانیک نفت
  • کد COI اختصاصی: NPGC02_055
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 446
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نویسندگان

Reza Mehrdad

MS of Reservoir Engineering, Department of Petroleum Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran,

Kaveh Ahangari

Associate Professor, Department of Mining Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran

Hossein Vafaiepour Kouchesfehani

MS of drilling Engineering, petroleum Drilling Engineering, Petro Kar Tose Nirou

چکیده

This paper compare the near wellbore behaviors and productivity of vertical non-fractured well and vertical fractured well in a low permeability gas condensate reservoir, when the flowing bottom hole pressure falls below the dew point. The smallest change in this type of reservoirs with pressure and temperature, it is possible that all or part of the reservoir fluid will be changed to gas condensate. The problem of pressure drop and the formation of condensate in reservoirs with low permeability is more and in some cases it may reduce the productivity up to three times at the beginning of production. A lot of methods has been suggested to improve the productivity of gas condensate reservoirs and one of them that is reducing pressure drop and increasing productivity index is hydraulic fracturing within the reservoir. Productivity impairment is investigated with single well, fine grid, compositional simulation. Hydraulic fracturing is simulating with Eclipse 300 in low permeability gas condensate reservoir that is facing with losing condensate within the reservoir and it can be seen that hydraulic fracturing prevent rapid pressure drop.

کلیدواژه ها

Gas condensate, Hydraulic fracture, dew point, condensate accumulation, Eclipse 300

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