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10 years of SLEIPNER CO2 Storage

10 years of SLEIPNER CO2 Storage. Tore A Torp, Dr.ing. Adviser CO 2 Storage, StatoilHydro ASA, Norway. 11 years of SLEIPNER CO2 Storage. CONTENT: “Low Carbon Diet” Industrial Experiences with CO2 Sleipner, In Salah, K12B, Ketzin, Snohvit and ??? VISION.

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10 years of SLEIPNER CO2 Storage

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  1. 10 years of SLEIPNER CO2 Storage Tore A Torp, Dr.ing.Adviser CO2 Storage, StatoilHydro ASA, Norway

  2. 11 years of SLEIPNER CO2 Storage CONTENT: • “Low Carbon Diet” • Industrial Experiences with CO2 • Sleipner, In Salah, K12B, Ketzin, Snohvit and ??? • VISION

  3. Sleipner CO2 injection:- Decided in 1992- In operation since 1996- 1 million tonne CO2/årTime Magazine,17. May 2004

  4. Previous Experiences with CO2 & Injection • Enhanced Oil Recovery (Texas, Hungary, Turkey, Brazil,Croatia) • Natural gas cleaning • Transport – Pipelines & Ships • Natural gas re-injection • Natural gas underground storageand • Beer & soft drinks, dry cleaning, food packaging – Every day life

  5. Yara CO2-tankers, 1500 m3 capacity

  6. The Sleipner field – CO2 Treatment and Injection

  7. CO2 Injection Well in "Utsira" Sleipner A T Sleipner 0 500m CO Injection W ell 2 1000m CO 2 Utsir a F or mation 1500m Sleipner Øst Production and Injection W ells 2000m 0 500m 1000m 1500m 2500m Heimdal Formation

  8. The Utsira Formation

  9. SALINE AQUIFER CO2 STORAGE PROJECT BGS BRGM GEUS IFP NITG-TNO SINTEF Statoil BP ExxonMobil Total Norsk Hydro Vattenfall IEA Greenhouse Gas R&D Programme Schlumberger Research NO, DK, NL, FR & UK Authorities

  10. Time-lapse seismic datasets of CO2 stored in Utsira formation

  11. Plume extension & top Utsira time map 1 km CO2 distribution June 2006 • 8,4 million tonnes injected over 10 years • Plume area: 2,8 km2 (1,3 km2 in 2001) • Plume long axis: 3760 m • Maximum distance from injection point: 2560m • Maximum speed of front since 2004: 250 m/year, • Distance from CO2 to wells: • Exploration well 15/9-13: 430m, decreasing about 12 m/year • D-template: about 2 km straight west of northern plume • 15/9-19 wells: about 4,5 km north of plume saddle 3,76 km Injection point 15/9-13 Seismic section Plume outline June 2006 430m Plume outline Oct 2001 Amplitude maps of the uppermost horizon, in 2001 (left), 2004 (middle) and 2006 (right). Hot colours represent higher amplitudes and thicker CO2 accumulation.

  12. Simulated picture of the distribution of CO2 after three years. Radius of largest bubble 800 m and the total plume 200 m high. Ref: SINTEF Petroleum 2001

  13. Dissolution of CO2 in the Utsira Brine Year 2412 Year 2021 Year 2621 Year 5019 Year 7018 Source: Gemini No. 1, 2004 (NTNU and Sintef)

  14. SACS Project 1998-2002 WHAT WE DID ACHIEVE: • 3D Seismic proven, Gravimetry tested • Reservoir simulation tools partly proven • Geology and Geochemistry of “Utsira” mapped • Reason to expect the CO2 to stay for thousands of yearsDOCUMENTATION • “SACS Best Practice Manual, 1.version.” • Download from www.co2store.org, see page “SACS”.

  15. Demonstrations of CO2 storage SLEIPNER SNØHVIT WEYBURN KETZIN IN SALAH FRIO BRINE Nagaoka K12B GORGON Source: IEA GHG

  16. Sleipner CO2 Injection

  17. SAFETY STRATEGY • - Prepare • Detect • Remediate

  18. What is keeping the CO2 down? Trapping Mechanisms • Closure - from day one –faults? • Micro-pore trapping - during injection - lasting • Dissolution in water - sinking to the bottom – centuries • Mineral binding - precipitating solids – centuries/millennia

  19. Possible Leakage? Leakage ways? • WELLS - Corrosion of cement & steel • Faults/Cracks – Overpressure critical • Underground fluid mobility – Site specific Prevention • Detection • Remediation

  20. Monitoring and safety over TIME? • Before start: Site selection, Planning and Risk assessment =>licence • During injection: Monitoring – “Watch the barn doors” => report • Closure: Monitoring and long-term risk => agreement • Post-closure: Monitoring gradually less => hand-over Safety against leakage will be better over time!

  21. Leg 2: COST of Capture Energy use Costs Better technologies Leg 1: TRUST in Storage Methods from oil and gas industry Geology varies from place to place  More demonstrations CO2 Capture and Storage (CCS) needs two legs to walk! Pace: CO2 Transport • Pipeline • Ship  Large projects

  22. Vision

  23. SLEIPNER - 10 years of CO2 Storage THANKS for your attention! QUESTIONS?

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