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Consult our engineers at an early stage to ensure that the required standards are fully understood and achieved in the system design.

KTH systems chosen for harshest UK oil & gas environment

Two of the largest lube oil systems ever designed and manufactured by KT Hydraulics have been completed for a new FPSO (floating production, storage and offloading) vessel that will serve in what is recognized as one of the North Sea’s harshest environments.

Chapter 2 lube oil system for FPSO in BP Quad 204 field

The BP Quad 204 project involves replacing the existing Schiehallion Floating, Production, Storage and Offloading vessel with a new FPSO which is scheduled to be installed in 2015. The new vessel will be 270 metres long by 52 metres wide and able to process and export up to 130,000 barrels a day of oil, and store in excess of 1 million barrels.

The lube systems were designed and manufactured to API Chapter 2 (special purpose) supplemented by BP’s own project specifications. They each include a vast 5500L lube oil tank and specialized pipework manufactured in ”Super" Austenitic 6% Molybdenum Stainless Steel. Each unit also received an overall system paint finish to maximise protection against the harsh environment it is set to face.

API Chapter 2 lube oil system for Quad 204 FPSO


The systems will support water injection pumps on the FPSO – these will be re-injecting produced water and treated seawater into the wells to help maintain reservoir pressure and assist oil recovery.

The new FPSO will operate in the BP Quad 204 field – a harsh water environment some 150km West of Shetland in a depth of approx 400m. Conditions in this area are amongst the harshest experienced in the UK oil and gas sector. All topside facilities provided for this project therefore need to be capable of continuous long-term operation in weather extremes that can cause significant ship motion and where equipment is exposed to a highly corrosive, saliferous environment.


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API Standards

With many years of experience in design and manufacture to API standards including API Standard 614, Lubrication Shaft-Sealing and Control-Oil Systems for Special-Purpose Applications, 5th Edition, we have an in -depth understanding of the requirements and implications.

Email or call now for our API design criteria sheet.