Flow Level Pressure

Oil Movements and Blending Management for Global Refineries

Apr 06 2006

Author: Nigel Bowden on behalf of Yokogawa Europe

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At the heart of Visa-OM is the object-oriented plant model. This enables users to build and modify the informational relationships that exist between the raw data (both real-time and historic) associated with the tanks, lines, pumps, valves and process units around the refinery. The plant model interfaces with the plant DCS, PIMS, LIMS, PLC, ERP and MRP systems, and incorporates key characteristics and relationships. Included in the model is every relevant tank farm configuration, data connection and calculation, material or technical characteristic, local or plant wide report, monitor and alarm, tank and pipeline manager, system balance and stock reconciliation. To prevent unnecessary complexity the model only incorporates details of the refinery to the level that is required for supervising movements and unnecessary data is not included.

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