FPSO Requirements

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FPSO Requirements

  1. 1. FPSO’s & DNVEOCBR 514 – Newbuildings and ConversionsMarcelo SpotornoRio de Janeiro, 16.07.2009
  2. 2. More than 140 years of managing risk  Det Norske Veritas (DNV) was established in 1864 in Norway  The main scope of work was to identify, assess and manage risk – initially for maritime insurance companies© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 2
  3. 3. 300 offices in 100 countries Head office Local offices© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 3
  4. 4. Our people – a vital resource  People are the core of DNV  9000 employees  97 nationalities© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 4
  5. 5. FPSO – Market share Vietnam 1% Rina Unknown CCS 1% 6% 1% ABS 35 % BV 4% LR 12 % DNV 40 % Source: - Mobile Production systems of the World, 7th Edition, 2007/2008, Clarkson Research Services Limited - Floating Production Systems - assessment of the outlook for FPSO vessels, production semis, TLPs and Spars, November 2007, International Maritime Associates Inc.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 5
  6. 6. Petrojarl I  the world’s first FPSO built for harsh environment(1986)© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 6
  7. 7. First FPSO GoM  BW Yùum K’ak’Náab© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 7
  8. 8. Cascade Chinook / First FPSO for US GoM Chinook Cascade  First FPSO for US GoM © Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 8
  9. 9. FPSOs/FSOs Newbuildings & Conversions BP Skarv-Idun Korea-Samsumg Newbuilding BW Pioneer - Cascade/Chinook Singapore Conversion Nexus 01 Korea-Samsumg Newbuilding Nexus 02 Korea-Samsumg Newbuilding P-58 - Baleia Azul Singapore Conversion Sevan 300 No. 04 China-Hantong Newbuilding Sevan 300 No. 05 China-Hantong Newbuilding Ichtys FPSO - Newbuilding FSO Rita Dubai Conversion Dynamic Producer Singapore Conversion Knock Dee FSO Dubai Conversion Deep Producer Singapore Conversion© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 9
  10. 10. ”DNV classed units” around the world North Sea: FPSO: 18 Canada: FPSO: 1 North Africa: FPSO: 2 Gulf of Mexico: FPSO: 2 West Africa: Asia and Australia: FPSO: 12 FPSO: 15 Brazil: FPSO: 3© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 10
  11. 11. FPSO’s – DNV fleet in Brazil  SSP300 - Sevan Piranema  Petrojarl Cidade de Rio das Ostras  BW Cidade de São Vicente© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 11
  12. 12. DNV Offshore Standards© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 12
  13. 13. Benign Waters  DNV OS-C-102 - Structural Design of Offshore Ships - World-wide operation - Benign waters - Environments at which the required to hull girder capacity calculated according to the LRFD method is less than the minimum section modulus according to the ‘Main Class Requirements’.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 13
  14. 14. Benign Waters  Alternative design procedures - Alternative 1 - Ship Rules - The hull scantlings are based on the “main class requirements”.No direct calculations of wave bending moments and shear forces are required. - Alternative 2 - LRFD method - The hull is designed according to the principles given in Ch.1. The midship section modulus may be less than the ”main class requirements”. When design Alternative 2, LRFD method, is applied, the minimum midship section modulus according to the ”main class requirements” may be reduced by maximum 25%.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 14
  15. 15. P-58 - Nauticus ConstructionDefaultInnerstructureOutershellThickness mapMaterial map© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 15
  16. 16. Information – dimensions and steel grades You get an over-view from colour display and printed numbers. Gives you access to the dimensions and steel grades of plates, stiffeners and girders Byclicking the structural parts you get more details© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 16
  17. 17. Maintenance – Steel renewal / weight Marking up all plates and/or stiffeners within a 3D zone by Plates and stiffeners can be marked defining and extruding a polygon up independently by using separate zones© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 17
  18. 18. Maintenance – Coating Area Calculations Marking up single structures for Marking up all structures for partial coating: top, one side (gray on complete or part of the compartment aft side means not coated)© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 18
  19. 19. Maintenance – Docking specifications  Planning and cost control prior/during a docking of a vessel.  Specification or for verification purposes of the figures given by the ship repair yard.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 19
  20. 20. Maintenance – Emergency Repairs  Facilitates the documentation of damage: - Location - Extent - Type of structure  Noneed for long and complex descriptions.  Enables overview and control the expenses.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 20
  21. 21. Monitoring - Coating Monitoring Tool The Nauticus Coating Monitoring Tool takes advantage of 3D technology to visualise the coating status and calculate re-coating areas. The tool also supports a structured recording of coating inspection results referring to pre-defined cells/bays of the ballast tanks. Finally, it assists you in preparing the re-coating specification and estimates the costs. When tool is used one has stop to take a risk of unpredicted situations in respect to mintenance or failure. © Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 21
  22. 22. Monitoring – UTM This improves UTM measurement support improved Thickness process: shorter time, quality and communication, input to maintenance The Nauticus UTM Tool improves planning, execution and strategy: of ultrasonic thicknesslower cost evaluation better control and measurements.© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 22
  23. 23. Management – Maintenance Strategy Set of UTM readings The curve shows tendency from previous years of steel diminution within the years and can be used for prognosis Trend Curve 25% t dim Thickness Diminution 20% t sub t min 15% 10% 5% 0% 1983 1988 1993 1998 2003 2008 2013 Years Coating Condition Status© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 23
  24. 24. Training – Naming of Structure© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 24
  25. 25. Training – Areas of Attention “Risk Based Inspection” with Focus on ”Critical Areas” Inspection of upper hopper knuckle especially in way of trv. web frames Inspection of lower hopper knuckle especially in way of trv. web frames© Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 25
  26. 26. © Det Norske Veritas AS. All rights reserved 28 September 2011 Slide 26

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