Product category:
Oil & Gas Fiscal Flowmetering systems
News Release from: Controlstar Systems | Subject: AGA8 Function block
Edited by the Processingtalk Editorial
Team on 21 July 2005
Controlstar Systems AGA8 and AGA3
Function Block
The Controlstar AGA8 Function block uses the 'Detailed characterisation method' which has been validated against the AGA standard, and can collect live data direct from a Daniel gas chromatograph
The Controlstar AGA8 Function block uses the 'Detailed characterisation method' which has been validated against the AGA standard The operator interface allows either manual entry of the gas fractions or the unit can collect 'live' data directly from a Gas Chromatograph, at present a Modbus RTU interface is available, the system supports the range of Daniel Chromatographs
This article was originally published on Processingtalk on 14 Sep 2007 at 8.00am (UK)
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The AGA3 Function block has also been extended to support the Rosemount Annubar flow element, which offers a high turn down ratio for the accurate measurement of flow, even in less than ideal conditions.
The 10,000 psi separation process will be controlled by a single Controlstar; the unit will also provide flow measurement using AGA8 and an associated Gas Chromatograph.
The Controlstar includes a special function block for calculating the velocities for erosion monitoring; this uses AGA8 to accurately establish velocities at a number of points in the process.
The SCADA then provides a simple 'expert' system to continuously advise the operators of the preferred control settings.
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