A 3 dimensional reservoir simulation model of the Harmattan East gas condensate field was linked with a surface facilities model in order to predict future gas deliverability and evaluate further capital expenditures, such as additional compression or horizontal infill wells. Using a more rigorous approach for this complex reservoir resulted in an increase in the estimated original gas in place, and allowed surface facility decisions to be tied to the infill drilling program. This model yielded more accurate results than a tank model because of the large permeability and pressure variations within the field.

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