The main objective of the Operations Surveillance System (OSS) was to provide an on-line dynamic simulation model of the asset in order to calculate instant well productions and compare model results with measured values in real time.  A model-based pipeline surveillance system is a crucial tool for assisting operators in understanding the asset's behaviour and in making better operational decisions. 

The OSS leads to more accurate estimates for well production rates, and more importantly, such values become available in nearly-real-time, with the associated extra benefits of helping detect operational issues (e.g. well production issues, pipeline integrity) that may not be visible with just measured information. In today’s heavily regulated environmental compliance requirements, having a tool like OSS providing extra information (in addition to the measured one) has proven beneficial in order to prevent incidents.