Product category:
Process Hardware (Pipes, Nozzles, Heaters, etc)
News Release from: Jiskoot
Edited by the Engineeringtalk Editorial
Team on 01 August 2005
Sampling systems chosen for North Sea
upgrade
Jiskoot has been chosen to supply allocation sampling systems for an upgrade project in the North Sea, installing three Co-Jetix combined mixing and sampling systems offshore.
Jiskoot has been chosen to supply allocation sampling systems for an upgrade project in the North Sea, installing three Co-Jetix combined mixing and sampling systems offshore The fields will be developed using subsea trees connected to two subsea manifold structures
This article was originally published on Engineeringtalk on 6 Mar 2006 at 8.00am (UK)
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Sampling system proves its worth
A Jiskoot Co-Jetix combined JetMix and sampling system installed at a marine offload terminal in North America to replace a problematic probe-based system very quickly proved its superior performance.
Fluids gathered at the manifolds will be conveyed via a number of subsea pipelines to the new bridge linked platform (BLP).
The Co-Jetix systems will be used to collect samples to ensure correct allocation of production fluids before they are exported, allowing accurate production allocation between different fields and partners.
Jiskoot was selected because of its extensive experience of engineering sampling and mixing systems for offshore allocation with hydrocarbon condensate liquids with a high vapour pressure measured close to the bubble point.
The systems will introduce the minimum pressure drop from the mixing to prevent gas break-out, while still ensuring that the C1/C2 mixing ratio complies with the international sampling standard of ISO 3171.
Effective mixing could only be achieved by using a JetMix powered mixer where mixing energy is added to the flow via a mixing nozzle.
The measurement loop will then be installed across the same pump and regulated, if required, to give a homogenous representative liquid flow through the fast loop.
The fast loops will contain densitometers, water-in-oil monitors, 210 sample extractors, the new Jiskoot 4-litre sample receivers and pressure and temperature transmitters.
The systems will meet full fiscal standards for allocation duty and will be supplied with Jiskoot ShearMix constant pressure sample receiver mixing systems and include manual sampling points.
The Co-Jetix systems all have dual redundant pumps and twin filtration chambers, each rated for 100% capacity.
An integral flow changeover valve permits element removal and cleaning without interruption of flow.
The terminal facilities expansion comprises a bypass train which will add more than 740 million standard cubic feet of gas per day to the current 1150 million standard cubic feet of gas per day capacity of the two existing process trains.
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