Sevan Company Presentation
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The Sevan Cylindrical hull Concept for FPSOs in deepwater locations PEMEX-INTSOK Deepwater Technology Seminar May 9-10, 2013 | Hotel Hacienda Real | Ciudad del Carmen Presentation by Fredrik Major, Vice President Business Development/ R&D, Sevan Marine 1 Contents • Introduction to Sevan Marine • Previous and ongoing Projects • Operational Experience • Sevan Marine’s expertise and novel concepts 2 Company structure Diversified through OSX ~60% ~40% 100% 33 Management System Certified by DNV to ISO 9001 and 14001 5 Contents • Introduction to Sevan Marine • Previous and ongoing Projects • Operational Experience • Sevan Marine’s expertise and novel concepts 6 World’s Growing Fleet of Cylindrical Floaters: Sevan Cylindrical FPSOs (7 units so far) Sevan Cylindrical MODUs (4 units so far) 7 Clients and services Oil Companies Own/ Own/ Own operate operate Design and technology Studies License contracts Project execution Drilling Unit Fleet FPSO Fleet 8 Geo-stationary hull • Hull facing environment with same shape in all directions – no need to rotate • Even in the harshest environmental conditions • Iso-symetric hull – no weathervaning -> Eliminating turret and swivel • Capex savings: Cost of turret /swivel as well as thrusters avoided • Opex savings: Reducing requirement for marine crew and fuel consumption • Increased flexibility:Spare capacity for tie ins simply by spare riser guide tubes • Power transfer: Facilitates high electric power transfer Ship Sevan 9 Insignificant bending stresses due to global loads on the hull • Eliminating typical wave induced fatigue loads • Minimal hull deflections (sag/ hog) simplifying topside design 10 Favourable Motions compared to shipshaped FSU/ FPSO 11 Field operator: Petrobras FPSO Piranema Spirit Contract type: Build own and operate (ex Sevan Piranema) FPSO operator: Teekay Petrojarl In operation since October 2007 Yard: Yantai Raffles/Keppel Verolme Location: Offshore Aracaju, Brasil Water depth: 1000m Oil processing: 30 000 bod Gas processing/injection: 3.6 mill Sm3/day-130 mill scfd @ 280 bar 12 Field operator: Centrica Contract type: Build own and operate FPSO Hummingbird Spirit FPSO operator: Teekay Petrojarl Yard: Yantai Raffles/Keppel Verolme (ex Sevan Hummingbird) Location: UK Central North Sea In production since September 2008 at Water depth: 120m Centrica Operated Chestnut field Hull size: Sevan300 UK CNS Oil processing: 20 000 bod Water injection: 20 000 bwd Liquid combined: 30 000 bld Redeployment options currently evaluated 13 FPSO Sevan Voyageur at the Premier Oil Shelley field In operation from August 2009 – July 2010 Field operator: Premier Oil Contract type: Build own and operate FPSO operator: Sevan Marine Yard: Yantai Raffles/Keppel Verolme Location: UK Central North Sea Water depth: 95m Hull size: Sevan300 Oil processing: 20 000 bod Water injection: 20 000 bwd Liquid combined: 30 000 bld Power feed to two ESPs 2*800kW Contract for re-deployment to E.ON operated Huntington field 14 FPSO Voyageur Spirit (ex Sevan Voyageur) Upgrade for service at the E.ON operated Huntington field in UK CNS Yard: Nymo, Norway SHELLEY: HUNTINGTON: Design capacity - oil: 20,000 BOPD Design capacity - oil: 30,000 BOPD Design capacity - produced water: 20,000 BWPD Design capacity - produced water: 42,000 BWPD Design capacity – liquid: 30,000 BLPD Design capacity – liquid: 60,000 BLPD Design capacity – export gas: - Design capacity – export gas: 27 MMSCFD Design capacity lift gas - Design capacity lift gas 16 MMSCFD Design capacity total gas compression - Design capacity total gas compression 38 MMSCFD Design capacity - sea water: 20,000 BWPD Design capacity - sea water: 48,000 BWPD 15 FPSO Voyageur Spirit Towout from Arendal to Huntington field 16 Sevan 300 No:4 and 5 COSCO Nantong Available for Projects 17 FPSO Sevan 1000 for the ENI operated Goliat field Contract type: Technology license Location: Norwegian Barents Sea Water depth: 400m (Harsh and sub-arctic) Yard: Hyundai Heavy Industries Hull size: Sevan1000 Oil processing: 100 000 bod Water injection: 125 000 bwd Gas compression: 140 Mill Scfd Oil storage: 1 000 000 bbls Power feed from shore 60 MW 18 Sevan 1000 for Goliat - Construction sequence 19 Sevan 1000 for Goliat - HHI April, 2012 20 Sevan 400 for Dana Petroleum Operated– Western Western Isles Development Isles Fields Contract type: Technology license Location: UK Nortern North Sea Water depth: 165m Yard: COSCO Qidong Yard Hull size: Sevan 400 Oil processing: 40 000 bod Oil storage: 400 000 bbls 21 Sevan FPSO for Statoil– Skrugard/ Havis development Concept Study performed Location: Norwegian Barents Sea Water depth: 400m (Harsh and sub-arctic) Hull size: Sevan 1400 Oil processing: 190 000 bod Water injection: 430 000 bwd Gas compression: 495 Mill Scfd Oil storage: 1 400 000 bbls 22 Sevan Driller(owner/ operator Sevan Drilling) Ultra deep water drilling in Brasil Contracted by Petrobras (6 years fixed) Yard: COSCO, China 23 Sevan Brasil (owner/ operator Sevan Drilling) Second Ultra deepwater MODU Contracted by Petrobras (6 years fixed) Yard: COSCO, China 24 Sevan Drillers 3/4 (owner/ operator Sevan Drilling) Third / fourth Ultra deepwater MODUs In construction, COSCO, China Sevan Louisiana – in operation early 2014 Three-year charter contract signed for the US Gulf of Mexico with LLOG Bluewater Holdings LLC, expected start-up early 2014 25 Contents • Introduction to Sevan Marine • Previous and ongoing Projects • Sevan Marine’s expertise and novel concepts • Operational Experience 26 Sevan core competence and experience: Summary of core technology and competence required during design, construction, operation and redeployment • Project execution • Hydrodynamics, wave loads and motions • Riser and mooring analysis • Stability and load capacity • Structural design, analysis and hull integrity • Marine systems • Process system design and simulation • Electric and control system • Arrangement and layout • Technical safety and regulatory compliance • Offloading to shuttle tankers • Marine operations, installation, re-location, redeployment 27 27 Technology – Considerable investments in development of unique concepts Icebreaking hull for Arctic FPSO with steel risers FLNG Concept Accommodation / Logistics hub FPSO bridge-linked to WHP Floating Powerplant 28 Sevan ICE Hull - Model test in 100 year ice ridge condition (Shtokman) 35 Sevan ICE Hull - Disconnect system for iceberg escape 36 ENABLING SCRs FOR HARSH ENVIRONMENT FPSOs Sevan Hull Tuned for Optimized Motion Pattern Statoil study for Luva field development resulting in qualification of the technology Steel Catenary Risers (SCRs) features: - Lower cost - Higher and more predictable durability - Higher capacity for top tension, temperature and pressure - More flexibility for corrosion protection and thermal insulation 37 37 SEVAN FLNG 38 Sevan FLNG Concept Tank Arrangement and Capacity LNG storage (6 tanks): 180 000 m3 LPG storage (1 tank): 30 000 m3 Condensate storage (6 tanks): 28 000 m3 Ballast tanks (24 tanks): 80 000 m3 LPG/LNG Tank Hold Space LNG Tanks Chain Lockers Condensate Tanks Ballast Tanks With no LPG storage : LNG storage (7 tanks): 210 000 m3 39 LNG Offloading systems Side-by-side Offloading Sea states Hs = 2.0 / 2.5 m Tandem Offloading Sea states Hs = 3.5 / 4.5 m Offset Side-by-side Offloading Sea states Hs = 2.5 / 3.5 m 40 Kanfa Aragon’s Optimised Dual N2 Expander Cycle INTER COOLER • KANFA Aragon’s patented liquefaction AFTER COOLER technology CYCLE • Based on the well-proven Dual Nitrogen COMPRESSOR Expander Cycle and optimised for FEED GAS LIQUEFACTION offshore liquefaction applications HEAT EXCHANGER • Up to 15 % lower energy consumption HC REMOVAL compared to similar Dual Expander COOLER AFTER Cycles WARM EXPANDER BOOSTER • Simple and safe to operate with COMPRESSOR optimised uptime and production • Fully marinised COLD EXPANDER BOOSTER COMPRESSOR LNG 41 Aragon FLNG train Production Capacity PARALLEL TRAINS LNG PRODUCT FEED GAS 1 LNG TRAIN UP TO 1.2 MTPA UP TO 167 MMSCFD UP TO 4.7 MSm3/d 2 LNG TRAINS UP TO 2.4 MTPA UP TO 333 MMSCFD UP TO 9.3 MSm3/d 3 LNG TRAINS UP TO 3.6 MTPA UP TO 500 MMSCFD UP TO 14 MSm3/d 4 LNG TRAINS UP TO 4.8 MTPA UP TO 667 MMSCFD UP TO 18.7 MSm3/d 42 Sevan GTW 600MW 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 600 consists of – 8 Siemens SGT800 Gas Turbine generator sets – Heat Recovery Steam Generators (HRSG) 4 Steam Turbine generator sets • Plant power capacity is 600 MWe net • Power output can be tailored in steps of 150 MW (relevant plant output 150, 300, 450, 600, 750, 900 MW) • Plant efficiency is 55% (Air/ Seawater temp 15/7 degC) • Estimated gas consumption for the GTW 600MW is 2,5 MM SM3/day (88MMScfd) (for other plant outputs, the gas consumption would be proportional) • Onboard gas preprocessing 43 Sevan GTW 600 General Arrangement CO2 extraction/ compression plant integrated in hull • 90% CO2 capture feasible (ref study with SINTEF) • Net power capacity after CO2 removal is 490 MW • Net efficiency after CO2 removal is 45% • CO2 compression to liquid stage for injection into subsea reservoir 44 Bridge linked FSU/ FPSO 45 FPSO/FSU with Dry Tree Completions Conservative approach: Most unfavourable mooring cluster (4 lines) broken in 100 year storm in worst direction. Sketch of FSU Movement - Run D3501004 - Cluster 2 Broken - Sample Rate 0.2 Hz PDQ Outline 100 Forward PDQ legs FSU Anchors FSU Initial Condition 50 FSU PD Contour Path