Correlation determines gas-condensate flow through chokes

A new empirical correlation can help engineers size chokes for controlling gas-condensate production and predicting the performance of flowing wells under different conditions.The correlation was verified with data from five gas-condensate reservoirs in Iran. The data covered a wide range of flow rates and choke sizes.The analysis considered four forms of the correlation as a check for the data. One form correlates choke upstream pressure with liquid production rate, gas-liquid ratio, and choke size. The second uses gas production rate instead of the liquid rate. The other two forms use pressure drop across the choke instead of upstream pressure.Five error parameters verified the accuracy...

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