Conceptual benefits with a cylindrical hull for FPSO, FLNG, drilling and floating powerplant applications

Transcription

1 21st FPSO Research Forum April 23, 2008, Trondheim, Norway Conceptual benefits with a cylindrical hull for FPSO, FLNG, drilling and floating powerplant applications Fredrik Major, VP Bus. Dev/ R&D, Sevan Marine ASA, Arendal, Norway Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 1

2 IMPORTANT INFORMATION THIS PRESENTATION AND ITS ENCLOSURES AND APPENDICES (HEREINAFTER JOINTLY REFERRED TO AS THE PRESENTATION ) HAVE BEEN PREPARED BY SEVAN MARINE ASA ( SEVAN OR THE COMPANY ) EXCLUSIVELY FOR INFORMATION PURPOSES. THIS PRESENTATION HAS NOT BEEN REVIEWED OR REGISTERED WITH ANY PUBLIC AUTHORITY OR STOCK EXCHANGE. RECIPIENTS OF THIS PRESENTATION MAY NOT REPRODUCE, REDISTRIBUTE OR PASS ON, IN WHOLE OR IN PART, THE PRESENTATION TO ANY OTHER PERSON. THE DISTRIBUTION OF THIS PRESENTATION AND THE OFFERING, SUBSCRIPTION, PURCHASE OR SALE OF SECURITIES ISSUED BY THE COMPANY IN CERTAIN JURISDICTIONS IS RESTRICTED BY LAW. PERSONS INTO WHOSE POSSESSION THIS PRESENTATION MAY COME ARE REQUIRED BY THE COMPANY TO INFORM THEMSELVES ABOUT AND TO COMPLY WITH ALL APPLICABLE LAWS AND REGULATIONS IN FORCE IN ANY JURISDICTION IN OR FROM WHICH IT INVESTS OR RECEIVES OR POSSESSES THIS PRESENTATION AND MUST OBTAIN ANY CONSENT, APPROVAL OR PERMISSION REQUIRED UNDER THE LAWS AND REGULATIONS IN FORCE IN SUCH JURISDICTION, AND THE COMPANY SHALL NOT HAVE ANY RESPONSIBILITY OR LIABILITY FOR THESE OBLIGATIONS. IN PARTICULAR, NEITHER THIS PRESENTATION NOR ANY COPY OF IT MAY BE TAKEN OR TRANSMITTED OR DISTRIBUTED, DIRECTLY OR INDIRECTLY, INTO CANADA OR JAPAN. THIS PRESENTATION DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY SECURITIES IN ANY JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH AN OFFER OR SOLICITATION IN SUCH JURISDICTION. IN RELATION TO THE UNITED STATES AND U.S. PERSONS, THIS PRESENTATION IS STRICTLY CONFIDENTIAL AND IS BEING FURNISHED SOLELY IN RELIANCE UPON APPLICABLE EXEMPTIONS FROM THE REGISTRATION REQIUREMENTS UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED. THE SECURITIES OF SEVAN HAVE NOT AND WILL NOT BE REGISTERED UNDER THE U.S. SECURITIES ACT OR ANY STATE SECURITIES LAWS, AND MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES, UNLESS AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE U.S. SECURITIES ACT IS AVAILABLE. ACCORDINGLY, ANY OFFER OR SALE OF SECURITIES IN SEVAN WILL ONLY BE OFFERED OR SOLD (I) WITHIN THE UNITED STATES, ONLY TO QUALIFIED INSTITUTIONAL BUYERS ( QIBs ) IN PRIVATE PLACEMENT TRANSACTIONS NOT INVOLVING A PUBLIC OFFERING AND (II) OUTSIDE THE UNITED STATES IN OFFSHORE TRANSACTIONS IN ACCORDANCE WITH REGULATION S. ANY PURCHASER OF SECURITIES IN THE UNITED STATES, WILL BE REQUIRED TO MAKE CERTAIN REPRESENTATIONS AND ACKNOWLEDGEMENTS, INCLUDING WITHOUT LIMITATION THAT THE PURCHASER IS A QIB. PROSPECTIVE PURCHASERS ARE HEREBY NOTIFIED THAT SELLERS OF THE SECURITIES MAY BE RELYING ON THE EXEMPTION FROM THE PROVISIONS OF SECTIONS OF THE U.S. SECURITIES ACT PROVIDED BY RULE 144A NONE OF THE COMPANY S SECURITIES HAS BEEN OR WILL BE QUALIFIED FOR SALE UNDER THE SECURITIES LAWS OF ANY PROVINCE OR TERRITORY OF CANADA. THE COMPANY S SECURITIES ARE NOT BEING OFFERED AND MAY NOT BE OFFERED OR SOLD, DIRECTLY OR INDIRECTLY, IN CANADA OR TO OR FOR THE ACCOUNT OF ANY RESIDENT OF CANADA IN CONTRAVENTION OF THE SECURITIES LAWS OF ANY PROVINCE OR TERRITORY THEREOF Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 2

3 Presentation Contents 1. Introduction 2. Project references 3. The Sevan Hull 4. FPSO 5. Drilling 6. LNG 7. Gas to wire Backup slides (On motions) Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 3

4 Business model focuses on core competences BOO Build Own and Operate Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 4

5 Sevan management has a proven track-record Improved technology through relevant experience Navis ASA: Deepwater drill ship Navis Explorer now Belford Dolphin From concept to delivery in 28 months Built on time and budget at Samsung Drilling APL Turret Mooring and Offshore Loading Systems FPSO Ocean Rig 6th gen Drilling Rigs Gas to Wire Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 5

6 Internal Turret External Turret Disconnectable Turret No turret, no swivel Oil storage High deck load capacity Excellent motions TLP Semi Spar Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 6

7 FPSO Floating Production Storage Offloading The Sevan Platform - the versatile technology - GTW Gas To Wire (Offshore powerplant) MODU Mobile Offshore Drilling Unit FDPSO Floating Drilling Production Storage Offloading MSV Multipurpose Support Vessel FLNG Floating Liquefied Natural Gas production FAU Floating Accomodation Unit Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 7

8 FPSO Sevan Piranema In operation since October 2007 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 8

9 FPSO Sevan Hummingbird Installed on the UK CNS Chestnut field December 2007 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 9

10 FPSO Sevan Voyageur Topside Integration in Rotterdam April 2008 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 10

11 FPSO Sevan 300 No:4 Hull construction at the Hantong Yard, Nantong April 2008 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 11

12 FPSO Sevan 300 No:5 Hull construction at the Hantong Yard, Nantong April 2008 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 12

13 Sevan Driller Construction at the COSCO, Nantong Yard, December 2007 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 13

14 Global solutions: the Sevan Technology can be applied in all offshore markets North Sea US Gulf Newbuilds - China Brazil Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 14

15 Patented technology Hull in combination with motion dampening features Tank arrangement Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 15

16 Sevan typical hull sizes Storage Displacement Diameter Deck Area (bbl) (mt) (m) (m2) Hull Deck Sevan Sevan Sevan Sevan Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 16

17 Sevan Main Benefits Concept Scaleable for oil storage capacity High deck load capacity/ stability reserves No requirement for weathervaning Avoiding complicated/costly turret swivel system Standard riser connections, umbilical and power cable terminations Accommodates large number of risers Low investment for future risers Operations Less maintenance and risk of downtime (No maintenance intensive turret or swivel) High operability due to low heave and roll/pitch motions Safe and efficient offloading Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 17

18 Construction Efficient hull construction with high repeatability around circle Standard panel and block fabrication All structural members are of standard dimensions and quality Short construction time Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 18

19 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 19

20 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 20

21 Riser/Umbilical/Power Cable Arrangement Risers through I-tubes in ballast tanks Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 21

22 Cargo and Ballast system Cargo/ ballast piping system concentrated in center compartment No piping in tanks Valves and pipes accessible for inspection and maintenance Reduced cable and piping length Shorter construction time Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 22

23 Weather Spreading Exposed Area always the same and can be less than for a Ship-Shaped FPSO Ship Exposed area with typical weather spread Sevan Exposed area Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 23

24 Offloading to shuttle tanker Two scenarios Shuttle Tanker with BLS Conventional Trading Tanker Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 24

25 Offloading to DP/ BLS Shuttle Tanker Example operation envelope for offtake tanker Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 25

26 Sevan Trading Tanker Mooring System Proposal Lay Out Connected Top view Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 26

27 Sevan Trading Tanker Mooring System Proposal Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 27

28 Sevan Concept - Verification Activities Model Tests; wide range of test conditions Independent analysis, BMT: (Chestnut FPSO) Motions Green Water Slamming Loads Independent Analysis, MARINTEK: Mooring system design input Coupeled Simo/Riflex analysis; Mooring Forces and Motions Instability Analysis of Sevan 300 Sloshing study Full Scale Test Program; FPSO Sevan Piranema and FPSO Sevan Hummingbird for Chestnut Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 28

29 Natural periods and damping - Sevan 1000 Degree of Freedom Ballast Loaded Damping Ratio Heave 13.7 s 15.0 s 8-12% of critical Pitch 17.5 s 25 s 5-12% of critical Roll 17.5 s 25 s 5-12% of critical Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 29

30 Model Tests Sevan FPSO Model Tests Sevan 1000 Size Loaded 2001 Ballast 2001 Loaded 2002 Significant Wave Height (m) Balast 2002 Loaded 2004 Mean 2004 Ballast 2004 Terminal 2004 Loaded 2005 Ballast years Contour years Contour Operating 2006 Loaded 2007 Cyclonic Wave Spectral Peak Period (secs.) Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 30

31 Motion Characteristics Favourable motion characteristics compared to FPSOs Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 31

32 Tests in year Cyclonic Conditions Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 32

33 Sevan Ice-Hull Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 33

34 Sevan Hull Disconnectability Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 34

35 Example FPSO Process Plant Layouts Safe zone Fire and blast wall Hazardous zone Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 35

36 Sevan as FLNG (Floating LNG) Production Storage and Offloading) unit Gas production and liquifaction to LNG offshore LNG storage onboard Offloading to standard LNG tankers Separate storage and offtake system for oil/ condensate possible Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 36

37 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 37

38 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 38

39 SEVAN DRILLER IDEAL FOR ULTRADEEP WATER OPERATIONS Ultra deepwater storage capacity for 12,500 ft of risers Deck area of 5,800 m 2 Derrick for parallel casing buildup optimized drilling efficiency Large deck area and high variable deck load capacity of more than 15,000 mt High storage capacity limiting need for resupply Up to 160,000 bbls oil storage capacity Flexible ballast system for compensation of tidal changes Station keeping by DP or mooring system Transit speed up to 9 knots CAPABLE OF DRILLING IN DEEPER WATER THAN ANY SEMI SUBMERSIBLE Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 39

40 SEVAN DRILLER HARSH ENVIRONMENT OPERATIONS Minimized downtime waiting on weather Designed for drilling in seastates up to Hs=6-7m (Beaufort 10) Favourable heave and roll motions High station keeping capability DP class 3 Optional mooring with thruster assist Prepared for operations in arctic areas including with full winterization and enclosure of all sensitive equipment EXCELLENT MOTION CHARACTERISTICS FOR HARSH ENVIRONMENT OPERATIONS Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 40

41 Sevan GTW 540MW Powerplant Main Characteristics Power production from locally produced gas Transmission lines to platform cluster and/or shore Combined cycle (gas/ steam turbines) The Sevan GTW consists of 8 Siemens SGT800 Gas Turbine generator sets Heat Recovery Steam Generators (HRSG) 4 Steam Turbine generator sets Plant power capacity is 540 MWe net At full utilization this represents 4,73 TWh/year Plant efficiency is 54% (Air/ Seawater temp 15/7 degc) Estimated gas consumption is 2 MM SM 3 /day CO2 handling feasible (ref study with SINTEF) Net power capacity after CO2 removal is 450MW Net efficiency after CO2 removal is 45% CO2 injection into subsea reservior (facilitates IOR initiatives) Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 41

42 Carbon Capture - Principles Generic solvent, well established models Offered by Fluor Daniel and more Full scale gas cleaning unit will be integrated with the floating structure Main gas cleaning unit comprises four absorber columns and one desorber column Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 42

43 Sevan EPOS General Arrangement Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 43

44 Proposed alternative solution - Case Halten POWER GAS CO 2 KRISTIN ÅSGARD NJORD HEIDRUN DRAUGEN Kristiansund Halten Offshore powerplant Located close to Draugen Suggested 540 MW capacity Run on gas from Haltenpipe and/ or Draugen/ Åsgard transport pipe Can supply power to: Draugen Heidrun Åsgard Kristin Njord Surplus power to grid ashore CO 2 removal from flue gas onboard CO 2 pipelines to Draugen and Heidrun for IOR initiatives Trondheim (Similar setup would also be relevant for Tampen area with location close to Gjøa) Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 44

45 Sevan Marine Presentation for FPSO Research Forum Trondheim April 23rd 2008 Page 45