Product category:
Plantwide control
News Release from: ABB Automation Tech (Instrumentation + Automation) | Subject: Process control systems
Edited by the Engineeringtalk Editorial
Team on 04 March 2005
Caspian Sea project showcases new
technologies
The latest advancements in safety controller and automation system technology are being applied by ABB to the Shah Deniz field, a major gas project that is part of the Caspian Sea development.
The latest advancements in safety controller and automation system technology are being applied by ABB to the Shah Deniz field, a major gas project that is part of the Caspian Sea development The field includes an offshore platform, onshore terminal and pipeline
This article was originally published on Engineeringtalk on 17 Jul 2008 at 8.00am (UK)
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The Shah Deniz condensate field lies in the Caspian Sea, about 100km south of Baku in water depths ranging from 50 to 500m.
From here a pipeline is being constructed to supply gas to Turkey.
ABB is supplying, installing and commissioning an integrated control and safety system (ICSS) for the new onshore gas terminal and offshore platform and the associated South Caucasus Pipeline (SCP).
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The ICSS comprises a process control system and an integrated safety system.
The integrated safety system consists of a fire and gas subsystem covering process and nonprocess areas and a separate emergency shutdown subsystem for the process area.
This will provide process control, emergency shutdown and fire and gas protection across all platforms.
The system architecture for both the terminal and the platform installations, while very similar to that being delivered for the oil processing facilities, does incorporate some added-value features.
For instance, the project uses the latest AC800 technology with the introduction of the AC800 HI safety controller and the latest 800xA (extended automation) software.
Delivery is scheduled for the second quarter of 2005.
"Such is the timescale of the Caspian project, that new technology developments are inevitable", explains Rex Poulter, ABB Project Manager.
"The AC800 HI safety controller, for example, has several features over ABB's Safeguard Controller which is used extensively on the Caspian project".
One benefit of the AC800 HI safety controller is its small sise.
Being some 50% more compact than Safeguard, it has enabled the ABB engineers to integrate them easily within the offshore platform, where space is at a premium.
The safety controller is based on the AC800 family of controllers and features more safety checking functions and reporting facilities, as well as greater I/O.
Being part of the AC800 family, the controller uses the same industry standard language, which complies with IEC standards, rather than being bespoke.
This makes it more open and more easily understood.
A key advantage of the overall system design is that, via gateways, the operator in the common control room can see any information relating to either the offshore platform or onshore terminal.
For this to be successful, every part of the installation needs to be consistent.
This has been achieved by writing common functional design specifications for process control, fire and gas, shutdown, graphics, operator interfaces and type circuits with a standard hardware build.
ABB has already won large contracts for the Caspian Sea, including US $80 million worth of orders since 2001 on the two major oil and gas projects that have come to figure so highly in the economies of the Caucasus.
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