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| Image: Culzean platform/Heerema Fabrication Group |
Maersk Oil North Sea UK has awarded Heerema Fabrication Group (HFG) a second contract for structures on its ultra-high-pressure, high-temperature (uHPHT) Culzean development in the North Sea.
HFG will perform the engineering, procurement and construction for the Culzean jackets, for both the central processing facilities platform and the utility and living quarter platform.
In October 2014, HFG was awarded the procurement and construction contract for the Culzean wellhead platform jacket, wellhead access deck and access ways. As part of the contract, six pile sleeve clusters will be fabricated at Heerema’s Hartlepool facility in the UK, in addition to the Wellhead Access Deck already underway at the yard.
“For the duration of the work on the jackets in the UK we expect to support 250 jobs for the local Hartlepool community including our Heerema Hartlepool yard,” said Koos-Jan van Brouwershaven, chief executive officer of HFG.
Culzean is one of the largest gas discoveries of recent years in the UK sector of the North Sea. Both jackets will be approximately 115m tall and have a footprint of 38m x 38m. The jacket for the central processing facilities (CPF) has a top of 24m by 30m and a weight of almost 8000-tonne. The top of the utility and living quarter (ULQ) jacket will be 24m x 24m and this jacket will weigh 6800-tonne. Construction is due to start in January 2016 to be ready for sail away in June 2017.
The Culzean field - discovered in 2008 - is in the UK sector of the Central North Sea approximately 250km east of Aberdeen in license block 22/25a. The water depth is approximately 88m and the reservoir is located around 4300m below sea level. The overall Culzean development concept consists of a wellhead platform, a central processing facility platform and a separate utility and living quarter platform with capacity for over 100 people. The platforms will be linked via two bridges approximately 100m in length. First gas is currently expected in 2019. The Culzean project has the potential to meet around 5% of UK gas consumption 2020-2021.
Maersk is operator of the US$4.5 billion Culzean development, along with partners JX Nippon and BP.
The firm was given regulatory approval for the field on Monday (31 August) and has awarded contracts to Subsea 7 and Sempcorp this week.
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