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Gas Supply Manager for Windows


This program generates a sales gas forecast by allocating the demand of multiple contracts among several pools according to their deliverability. The gas supply from each pool is determined by deliverability decline.

The principal use of the program is to generate a multi-pool gas forecast based on each pool’s deliverability and the total gas contract demand including demand from direct sales. The deliverability of each pool is determined using standard deliverability decline analysis. Pool pressure is calculated based on the cumulative production and the Initial Gas in Place.



Knowledge of corporate supply and demand is critical in managing multiple gas properties. The applications are:

  • Identify gas contract short falls.
  • Identify direct sale potential.
  • Investigate the impact of infill drilling.
  • Generate corporate gas supply and demand forecasts.
  • Determine economic reserves.





Current Version



Input Data

The user defines the gas supply by entering the Material Balance, deliverability and gas analysis data of each pool in the system. Entering gas contract or direct sales contract parameters specifies the gas demand.


Output Data

This program generates both graphs and report format output. Many different graphs and reports are available. Output includes :

  • Physical and pseudo-critical properties of reservoir gas analysis.
  • Deliverability forecast for each pool in the system.
  • Pressure forecast for each pool in the system.
  • Deliverability forecast for each contract in the system.
  • P/z, Deliverability and IPR plots for each pool.

Slide Presentation

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