Method for Prediction of Borehole Performance in Condensate Gas Well

Abstract

Abstract: When producing, the temperature, pressure, compositions and molar fractions of gas and liquid as well as liquid loading in different places of a condensate gas borehole are changing with changes of oil, gas and water production rates. The vertical conduit flow and borehole carrying fluid computational formulae by state of flow, considering borehole temperature change, and combining with thermodynamic flashing calculation for fluid phase equilibrium, this paper proposes the method for prediction of borehole performance in condensate gas well. The case calculated results show that this method as a guide for production of such a well can be used to predict these temperature, pressure, compositions and molar fractions of gas and liquid as well as liquid loading situation in different places of a condensate gas borehole in different production stages.

Key words: condensate gas well, borehole, wellbore, performance, vertical flow, phase state

CLC Number:

HE Zhi-xiong, SUN Lei, WANG Lei, LIN Tao, LIU Zhi-bin. Method for Prediction of Borehole Performance in Condensate Gas Well[J]. Xinjiang Petroleum Geology, 2009, 30(2): 232-234+278.

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Method for Prediction of Borehole Performance in Condensate Gas Well

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