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GLA2011 WORSHOP SOFREGAZ’s experience in tank building and process Jyväskylä – June 7 th 2011

GLA2011 WORSHOP SOFREGAZ’s experience in tank building and process Jyväskylä – June 7 th 2011 Jérôme Sialelli. FEW WORDS ABOUT SOFREGAZ. LNG RECEIVING TERMINAL BILBAO SPAIN. ACTIVITIES AND SERVICES. Engineering company specialized

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GLA2011 WORSHOP SOFREGAZ’s experience in tank building and process Jyväskylä – June 7 th 2011

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  1. GLA2011 WORSHOP SOFREGAZ’s experience in tank building and process Jyväskylä – June 7th 2011 Jérôme Sialelli

  2. FEW WORDS ABOUT SOFREGAZ

  3. LNG RECEIVING TERMINAL BILBAO SPAIN ACTIVITIES AND SERVICES Engineering company specialized in natural gas. ■Feasibility studies ■Basic & Detailed Engineering ■Project Management Consulting ■Procurement / sourcing ■Construction Supervision ■Commissioning & start-up

  4. LNG RECEIVING TERMINAL HAZIRA INDIA GAS TREATMENT WAFA LIBYA COMPRESSION STATION S3-S6 IRAN ALL THROUGH THE “NATURAL GAS CHAIN” Gas treatment (Gas gathering system, Gas Oil Separation Plant, Sweetening, Drying, Extraction, separation and storage of C2+, …) LNG Peak shaving Small Scale Natural Gas Liquefaction LNG import terminals Transmission systems – Pipelines and pumping and compression stations

  5. LNG CHAIN

  6. EXPERIENCE IN LARGE LNG STORAGE In the last 10 years SOFREGAZ has successfully completed as Joint Venture member 8 EPC contracts including 11 LNG tanks with a cumulated capacity of 1,450,000 m3.

  7. OVERVIEW ON PROVEN TECHNOLOGIES ON LARGE CAPACITY CRYOGENIC STORAGE (> 60,000 m3)

  8. LNG TANK TYPE

  9. TYPICAL LNG FULL CONTAINMENT TANK

  10. LNG STORAGE: IN GROUND TECHNOLOGY

  11. LNG STORAGE: MEMBRANE TECHNOLOGY Stainless Steel corrugated membrane Plywood Reinforced polyurethane foam Secondary barrier Reinforced polyurethane foam Plywood Typical GTS membrane (GTT license) Mastic Pre-stressed concrete wall

  12. LNG TANK TYPE : REFERENCES & TRENDS

  13. LNG STORAGE: DIRECT LNG STORAGE IN MINED CAVERN • Technology developed by GEOSTOCK - SAIPEM • Pilot Plant in Pyongtaek in South Korea tested with liquid N2 • No industrial plant

  14. PRELIMINARY SCHEME OF LARGE BELOW GROUND LIQUID ARGON STORAGE FOR LAGUNA PROJECT

  15. LAGUNA PROJECT • SPECIFIC ASPECTS OF A LARGE LIQUID ARGON STORAGE (100 kt) • STORED PRODUCT: ARGON compared to LNG • INTERNAL WALL SURFACE TREATMENT • CONSTRUCTION IN A CONFINED IN AN UNDERGROUND CAVITY • DRYING, FIRST COOLING AND FILLING OPERATION • BOIL OFF GAS HANDLING • PURIFICATION & FILTRATION • INSTALLATION & MAINTENANCE OF INTERNAL INSTRUMENTATION

  16. PRELIMINARY BLOCK DIAGRAM ABOVE GROUND FIRST FILLING FACILITIES EMERGENCY EMPTYING LIQUID ARGON Ground BOG RELIQUEFACTION BELOW GROUND LIQUID ARGON STORAGE PURIFICATION UNIT

  17. ABOVE GROUND FILLING FACILITIES Purified Liquid Argon (PLA)vacuum insulated buffer storage Liquid Argon Purification Unit Raw Liquid Argon (RLA) vacuum insulated buffer storage (contaminants content: 5 to 10 ppm mainly oxygen) Truck unloading station 30 m3/h On spec liquid argon to the mine Based on 6 months filling period 1,000 m3 20 trucks/day 1 week storage: 3,000 m3

  18. TRANSFER LINE FROM GROUND TO BOTTOM Pipe in Pipe Technology: Invar pipes PiP PiPiP Vertical shaft Main issue: Vertical hanging

  19. LNG STORAGE • IN THE CASE OF FULL CONTAINMENT LIQUID ARGON TANK: • CHOICE OF OUTER TANK DESIGN: • CHOICE OF MAIN CONTAINMENT TYPE: • METTALIC SELF SUPPORTING (Conventional) • MEMBRANES Vertical shaft

  20. ARGON BOIL-OFF GAS RELIQUEFACTION & PURIFICATION: SCHEME 1 Argon BOG compressor LIQUID ARGON STORAGE NITROGEN CLOSED LOOP LIQUID ARGON ULTRA PURIFICATION Nitrogen compressor Cooler (Air ?)

  21. ARGON BOIL-OFF GAS RELIQUEFACTION & PURIFICATION: SCHEME 2 Argon BOG compressor Cooler (Air ?) LIQUID ARGON STORAGE ARGON OPEN LOOP LIQUID ARGON ULTRA PURIFICATION

  22. LARGE LIQUID ARGON STORAGE: Auxiliaries Buffer Storage Buffer Storage Truck unloading facilities Primary Filtration facilities Impounding basin PiP¨ High purity Filtration BOG re-liquefaction In-tank pump HP pump

  23. CONSTRUCTION MAIN CONSTRAINSTS COMPARED WITH A CONVENTIONAL ABOVE GROUND TANK • LIMITATION MAXIMUM ACCESS SIZE & WEIGTH FOR MATERIAL • FEW SPACE FOR STORAGE OF MATERIAL AND LIMITED CONSTRUCTION AREA • FEW SPACE FOR CRANES • VENTILATION & HSE ASPECTS

  24. CONSTRUCTION SEQUENCE INSTRUMENTATION LNG TANK EXCAVATION AUXILIARIES UNITS Excavation for tank & construction area Tank Design Procurement of Instrumentation ? Tank Procurement Tank Construction & tests Construction of above ground & below ground facilities Installation of instrumentation? Tank Mechanical completion First Raw Liquid Argon truck Cool down & first fill operation Last Raw Liquid Argon truck READY FOR OPERATION

  25. THANK YOU FOR YOUR ATTENTION

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