GasPal – consists of 3 programs, GasPal, GRIDDER and TFR. An auxiliary, UPSCLR, generates a GasPal-grid from a Petrel geological model;
GasPal is a nodal analysis simulator that calculates pressure and flow rate of NAG plus water & oil. Because it solves an implicit formulation of the flow equations, Gaspal converges smoothly. Rapid computing speed allows practical solution of large models. A model with over 700 NAG producers and 2000 flow segments simulates 300 monthly time steps in less than 30 minutes. This application exemplifies GasPal’s powerful capability to plan development and operation of multi-reservoir complexes, including generation of production schedules with spare capacity. GasPal’s detailed well routines and tailored history matching features facilitate analyzing well performance in single reservoir runs. TOTAL[Indonesia, The Hague, Pau], EBN[Dutch Government]