Abstract: The Regulation of Petroleum Reserves Estimation (DZ/T 0217-2005) published by the Ministry of Land and Resources, PRC,gives the estimation value of the industrial flow rate of exploration wells with different depths in eastern China without explicitly considering the contents of condensate oil and different reservoirs permeability. This regulation is not suitable for condensate gas reservoirs as a guide. Based on the principle of balance between input and output, a estimation model for industrial gas flow rate of condensate gas reservoir is proposed. Taking condensate gas reservoirs in western China as examples, the related industrial gas flow rates are estimated by using available parameters, and the corresponding charts are plotted. This method could also be suitable for complex gas reservoirs with other components such as H 2 S, etc.

Key words: condensate gas reservoir, reserve, estimation method