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Supervisory Control and Data Acquisition

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Supervisory control and data acquisition (SCADA) is a control system architecture that uses computers, networked data communications and graphical user interfaces for high-level process supervisory management, but uses other peripheral devices such as programmable logic controller(PLC) and discrete PID controllers to interface with the process plant or machinery. The operator interfaces which enable monitoring and the issuing of process commands, such as controller set point changes, are handled through the SCADA computer system. However, the real-time control logic or controller calculations are performed by networked modules which connect to the field sensors and actuators.

The SCADA concept was developed as a universal means of remote access to a variety of local control modules, which could be from different manufacturers allowing access through standard automation protocols. In practice, large SCADA systems have grown to become very similar to distributed control systems in function, but using multiple means of interfacing with the plant. They can control large-scale processes that can include multiple sites, and work over large distances as well as small distance.[1] It is one of the most commonly-used types of industrial control systems, however there are concerns about SCADA systems being vulnerable to cyberwarfare/cyberterrorism attacks.


Midstream/Pipeline SCADA Systems

• Long Haul Gas Transmission SCADA (Regulated/Non-Regulated)
• Gas and Oil Gathering
• Crude Pipeline Systems
• Disaster Recovery Solutions for Pipeline SCADA


RTU/PLC Based Integrated Control and Measurement Systems for Upstream Onshore

• Emerson ROC Multi-Well Pad Automation Systems
• ABB Total Flow Multi-Well Pad Automation Systems



Upstream SCADA Systems

• Oil/Water Stabilization Plants
• Central Transfer Sites
• Truck Ticketing
• LACT Systems
• Well Head Monitoring and Field Surveillance
• Operation by Exceptions
• Compressor Monitoring
• Mass Balance - Leak Detection
• Gas Lift Optimization
• Advanced Alarming
• Integrated Solutions Between SCADA and Emerson Production Manager Applications
• Integrated Solutions Between SCADA and XSPOC
• Integration of SCADA with various polling engines such as Autosol and Kepware