Phase Transition Exploitation of Condensate Gas ReservoirUsing Black Oil Model Method and Mass Balance Principle

ZHANG Jin-liang,  ; LIU Jun  ;LI Lin-xin  ;LI Zhao-xia  ; TIAN Hua-feng

doi:10.11764/j.issn.1672-1926.2008.03.419

Natural Gas Geoscience >

2008 , Vol. 19 >Issue 3: 419 - 422

DOI: https://doi.org/10.11764/j.issn.1672-1926.2008.03.419

Phase Transition Exploitation of Condensate Gas ReservoirUsing Black Oil Model Method and Mass Balance Principle

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（1. Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China;2.College of Energy, China University of Geosciences, Beijing 100083, China; 3. Deli Company,  Shengli Oilfield, SINOPEC, Linyi 251507, China; 4. Institute of Geology and Geophysics, Chinese  Academy of Sciences, Beijing 100029, China; 5. Oil Production Technology Academy, Zhongyuan Oilfield, SINOPEC, Puyang 457001, China）

Received date: 2007-12-27

Revised date: 2008-03-24

Online published: 2008-06-10

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Abstract

During the pressure-depleted exploitation of condensate gas reservoirs, PVT phase behavior transition will occur because of the changes of condensate gas composition, stratum porous media, temperature and pressure, especially the pressure decrease. According to these characteristics, this paper establishes a mathematical model that deals with the phase behavior transition exploitation of condensate gas reservoirs using the black oil model method and the mass balance principle. And it is used for the imitating and forecasting of the main parameters of an actual condensate gas reservoir, and all the parameters are close to the calculating results from the condensate gas reservoir exploitation and experiment. The aim is to avoid the appearance of retrograde condensed liquids under dew point pressure in formation near the wellbore bottom, and keep higher productivity, recovery ratio and production benefits for the condensate gas reservoir.

Key words： Condensate gas reservoir; Phase transition exploitation; Mass balance principle; Black oil model method; Forecast.

Cite this article

ZHANG Jin-liang, ; LIU Jun ;LI Lin-xin ;LI Zhao-xia ; TIAN Hua-feng . Phase Transition Exploitation of Condensate Gas ReservoirUsing Black Oil Model Method and Mass Balance Principle[J]. Natural Gas Geoscience, 2008 , 19(3) : 419 -422 . DOI: 10.11764/j.issn.1672-1926.2008.03.419

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