FAIRCHILD AND WELLS, INC. PETROLEUM AND ENVIRONMENTAL CONSULTANTS
and gas rates under a wide variety of operating schemes. It takes into account the reservoir geometry, heterogeneity, anisotropy, rock compressibility, fluid properties including dissolved gas in water, if any, viscous, gravity and capillary forces and other pertinent system variables. Reservoir geometry can be defined in both Cartesian (x,y,z) or cylindrical (r,o,z) coordinates enabling simulation of single well as well as multi-well full field behavior. The model can be used to study dual porosity fractured reservoirs as well as conventional single porosity reservoirs.
The simulator is constructed in highly modular fashion and consists of the following principal modules:
a. Basic ThreeDimensional TwoPhase (3D 2P) GasWater Module including dual porosity and single phase gas modules.
b. Well Flow Module for describing single phase or 2-phase flow in the wells.
c. Surface dry gas transmission module for simulating flow of single phase gas in a set of interconnected pipes, compressor, regulators, and other surface equipment.
d. Post processor modules for x-y plots and 3-D visualization.
SIM.GALIS Gas Transmission Network Simulator:
Gas Transmission Network Simulator is a versatile and powerful tool for simulating flow of gas and associated energy through a set of interconnected network of pipes, pipe fittings and elbows, regulators or valves, compressors, wells and tank type gas reservoirs. It computes pressure drops, compressor horsepower, volume and energy flow rates, quality of gas, available BTU/watts at one or more trunkline inlets, and other pertinent engineering parameters. Gases of different compositions and calorific values from different sources (reservoirs, purchase point etc.) are tracked, and the resulting mixed gas properties such as BTU/mscf, specific gravity etc. may be monitored.