Automating Accounting Processes for Oil & Gas Companies

Making you more confident in the accuracy of your reporting.

GPIS – Gas Plant Information System

Gas Plant Information System (GPIS)

GPIS is a Microsoft Platformed, Windows based system that automates the plant settlement and accounting functions for gas gathering and processing companies.

The power of enterprise database management and the flexibility of workbook calculations are combined in GPIS. Powerful data import and export features of GPIS allow companies to substantially reduce the time and cost of accounting for settlement with producers.

Gross margin reports by producer, contract, meter or system, among other reports, provide management with the information to monitor and control plant and contract economics.

The system mass balance functionality shows the volumes for all meters that are related to a check meter, the total of the upstream meters, the volume for the check meter and the calculated gain or loss between the upstream meters and the downstream check meter, and between inlet meters and tailgate products.

The system allows management to easily obtain information about gas flows and the entire allocation and settlement process.

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Information on our GPIS application has been included in various issues of the Oil and Gas Journal Technology Guide.

The GPIS system offers the advantage of relational database management techniques and controls along with the flexibility of spreadsheet calculations and formulas.


  • Integration of front end processes substantially eliminates need to manually enter chart volume and gas analysis information.
  • Information maintained in the database structure can be easily accessed through the system. Non-standard information requests can typically be satisfied through use of the Access database query and report features.
  • Accounting information on monthly producer settlements (accounts payable, revenue and production) can be integrated thereby eliminating the need to manually enter such information into the accounting system.


  • Electronic import of volume and analysis information directly into the database promotes accuracy of data input into the system.
  • All database input routines have extensive edit and error checks during user input. User cannot add records to the system unless all required fields are complete.
  • Master file information is typically input by selecting information from drop-down list boxes. The description associated with numeric codes always appears in the list boxes next to the code.
  • All meters must have a valid property and contract before it can be added to the system and allocation percentages to properties and contracts must add up to 100%.
  • Each monthly spreadsheet contains numerous balancing, verification and error checks. Errors are classified as fatal and non-fatal. The existence of fatal errors in the monthly spreadsheet prevents the user from printing producer settlement statements until the fatal errors are corrected


  • System can report gross profit (processing margin before plant operating expenses) on a meter, property, contract, producer, gathering system or facility basis.
  • A contract brief and a list of meters associated with the contract can be printed for any contract in the system.
  • A meter report listing meter information, property allocation and contract allocation and year to date volume reports by month for each meter are included in the system.
  • Gathering system and plant balance reports showing gain or loss at all key measurement points can be printed since each meter is associated with a downstream check meter.
  • Custom reports can easily be generated through either Microsoft Access or Excel.

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