Study on dynamic diagnosis and equilibrium production technology for the gas condensate reservoir with bottom oil
Received date: 2019-06-30
Revised date: 2019-10-24
Online published: 2020-06-17
M Oilfield is the first gas cap reservoir in the East China Sea, which has complex driving energy. Its seepage mechanism and development technology policy are essentially different from conventional reservoirs. Aiming at the difficult problem of effective development of this kind of reservoir due to the contradiction of gas channeling, oil invasion and water invasion, the technology of stimulation measures is studied. At the same time, three innovative technologies have been formed: splitting method of variable gas oil ratio phase production based on production time variability; a new method for calculating water displacement efficiency of water drive gas condensate reservoir with bottom oil; prediction technology of dynamic oil displacement contribution index under net driving energy. These technical achievements can provide important reference and technical support for the development of similar complex reservoirs such as gas capped reservoirs or condensate gas reservoirs with oil rings.
Gang-xiang SONG , Yan LU , Fang DING , Hao JU , Bo XU , Xi-nan ZHANG . Study on dynamic diagnosis and equilibrium production technology for the gas condensate reservoir with bottom oil[J]. Natural Gas Geoscience, 2020 , 31(6) : 890 -894 . DOI: 10.11764/j.issn.1672-1926.2019.10.002
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