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A comprehensive measurement data management system that collects data from multiple sources in natural gas pipeline and distribution operations, performs value-added functions, and then makes that data available across the enterprise in real time can significantly improve accounting and overall business efficiency.
This automated information management solution centralizes the database of field measurements, standardizing all readings in one consistent set of units and base conditions. It recognizes data that does not meet expected operational values to identify when device adjustments are needed. It estimates missing values to allow continued processing for accounting close and system balance. A Gas Quality Manager interfaces with online gas chromatographs to provide correct gas quality values to the flow computer in real time, or as periodic reports, to capture gas composition variations.
Flow editing with documentation makes correction of volume errors efficiently. True representation of both volume flows and energy content enables system balances of both parameters for accurate account processing. Robust validation identifies problem areas to make the most of analyst time and optimize subsequent processing. Finally, comprehensive data tracking allows full reporting and a complete, auditable log of all adjustments, data edits, production and fuel costs, and gas quality. An integral Human Machine Interface (HMI) and integrated geographic information system (GIS) allows clear visualization of network status indicators and values. With separation of powers between data adjustment and data validation, and all data available in the host system, the operator is prepared for internal and external governance audits.
While this system significantly reduces errors and makes more adjustments possible during the open business period to improve accounting processes, this automated measurement system also supports decision making and nearly all processes and positions throughout the enterprise. Benefits realized include improved workflow and fewer maintenance costs; reduced penalties for over/under nominating; reduced risks in making capital decisions; improved regulatory reputation; reliable and traceable emissions reporting; and value assurance that protects revenues.