Holford Underground Gas Storage - from FEED to handover - Axc.Nl

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Holford Underground Gas StorageThis paper covers the involvement of Costain Energy andProcess during the engineering, procurement and constructionmanagement stage of the gas compression station project,moving the FEED into an operational facility.• Project Outline• Project Challenges• ‘Novel’ Equipment• Cost Saving• CommissioningCostain Energy & Processwww.costain.com
The Project• Storage Volume• Peak Import Flow• Peak Export Flow• Number of Caverns 8• Cavern Pressures• NTS pressure• Turndown 10:1• Start up times160 million m3833,334 Sm3/h916,667 Sm3/h45 to 100 bar40 to 70 bar(From zero to peak flow)30 minutes for injection and for withdrawal from hotstandby90 minutes for cold withdrawal from cold standby• Turnround From withdrawal to injection 30 minutesFrom injection to withdrawal90 minutesCostain Energy & Processwww.costain.com
Page 1: Holford Underground Gas Storage -fr
Page 5 and 6: Project TimelineCostain Energy & Pr
Page 7 and 8: The National Gas Network• Located
Page 9 and 10: Operational AdvantagesProcess Consi
Page 11 and 12: Gas DryingGlycol was chosen as the
Page 13 and 14: Base Control SystemControl System
Page 15 and 16: Vent Design• Visual impact limits
Page 17 and 18: Commissioning• Water is present d
Page 19 and 20: Environment• The plant is located
Page 21 and 22: Team Working• Costain experience
Page 23: Holford Underground Gas Storage -fr

Holford Underground Gas Storage - from FEED to handover - Axc.Nl

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