Product category:
Mixers, Blenders, Grinders and Mills
News Release from: Jiskoot | Subject: Blending in Gulf of Mexico
Edited by the Processingtalk Editorial
Team on 14 July 2006
Crude oil blender brings innovation on
FPSO
Jiskoot has developed a solution for the blending of heavy crude oil for Bergesen Worldwide Offshore using the latest InSight blender system, to be used on the BW Enterprise FPSO in the Gulf of Mexico
Jiskoot has developed a solution for the blending of heavy crude oil in the Gulf of Mexico for Bergesen Worldwide Offshore, using the latest InSight blender system on the BW Enterprise floating production, storage and offloading vessel, which will reportedly be the world's largest FPSO when its conversion from the 360,000 dwt ULCC BW Enterprise at the Sembawang shipyard in Singapore is completed The FPSO will serve as a hub in the nine-platform Pemex 'KuMaZa' development of the Ku, Maloob and Zaap fields, and act as an export terminal, receiving unstabilised oil for stabilisation and blending it with stabilised oil
This article was originally published on Processingtalk on 30 Jul 2008 at 8.00am (UK)
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Accurately and economically blending the produced heavy 13 API crude oil with lighter 21-35 API crude to optimise the value and specification of the export crude, the system is a two-stream blender with on-line density measurement designed to accurately blend a 16-21 API crude oil at up to 800,000 barrels per day.
Providing user-friendly control, measurement and reporting of the whole blending process, the InSight blend controller uses on-line measurement to continually optimise final product quality.
Further reading
The right controller for 2-stream blending
The Jiskoot InSpec Blender Controller is a new 3-term PID controller, launched to provide a cost-effective yet powerful and flexible solution for two-stream controlled rate or 'wildstream' blending
Dutch gas sampler was pre-designed in 3D
Jiskoot has completed the manufacture of a fully automated offshore 4-stream gas sampling system in The Netherlands, using 3D design techniques to ensure optimum site layout and meet tough demands
By being integrated with the Emerson DeltaV control system used on the FPSO, the real-time non-PLC control system also achieves a second key project objective of implementing a 'maintenance on demand' system for the entire vessel.
To guarantee accurate density measurement and ensure that the final product is homogeneous, a JetMix system used in the blend header is unique in that it mixes across a wide range of flow rates with no pressure drop.
This, along with ultrasonic flow meters and careful component selection, allows blender design to be optimised for a maximum pressure drop of less than 1.5 bar.
Flow-weighted averaging and 3-term PID control ensure that the blended product is on specification at all times during the batch, with unique control algorithms responding instantly to changes in process conditions or quality.
The batch is continuously measured and feedstocks adjusted to optimise quality and minimise 'give-away'.
The system is designed to ensure consistent quality throughout the batch: even during quality variations, feedstock starvation and loss of power - or the unlikely failure of a system component.
A facility to automatically increase throughput enables crude to be blended at the maximum available component rate to optimise the batch production time.
Bergesen Worldwide is one of the world's largest maritime groups, with assets operating in Nigeria, Mauritania, Equatorial Guinea and Russia, as well as the recent entry into Mexico and setting up a strategic cooperation in Malaysia.
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