ABSTRACT

This paper describes the Transportadora Brasileira Gasoduto BolÍvia-Brasil S.A. (TBG) gas pipeline scheduling methodology and the advantages company gained by integrating the Energy Solutions International Inc. (ESI) pipeline software applications the Operational Management System (Pipeline Manager) and the Gas Management System (Pipeline Transporter). Integration of the applications enabled TBG to generate a gas pipeline schedule by utilizing the maximum capacity of the pipeline without violating the operational and commercial constraints under day to day fully dynamic pipeline operation with changing needs for gas.

Integration of the pipeline business and operational applications mainly focuses on handling the shipper nomination changes and adjustments effectively on an intra-day and daily basis by hydraulically validating them using a fully transient predictive model. Validation ensures that changes in the nomination do not affect the pipeline integrity and operational constraints imposed by the transportation contracts such as minimum and maximum pressure requirements.

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