GNL-3Z PROJECT: Realizzazione dell`impianto world class per la
Transcription
GNL-3Z PROJECT: Realizzazione dell`impianto world class per la
GNL-3Z PROJECT: Realizzazione dell’impianto world class per la liquefazione di gas naturale ad Arzew, Algeria Anton Marco Fantolini - LNG Technology Manager Milan, July 2014 Main Contents Project Overview Client Targets EPCC execution challenges GNL-3Z Project in Algeria 2 Project Overview CLIENT: SONATRACH 1 LNG train: 4.7 MTPA, APCI C3-SPLIT MRTM Provisions for future 2nd LNG Train Grass Root complex inclusive of Infrastructures, Storages, Utilities CONTRACTOR: JV BETWEEN SAIPEM (LEADER) AND CHIYODA Bid competition with extensive FEED rework EPCC LSTK Contract award on December 2008 Peak LNG capacity: 5.1 MTPA RATED @ 21ºC, 330 d/y Cost Effective Design: < 900 $/tpa WORLD LARGEST TRAIN USING C3-MR TECHNOLOGY Design responsive to Client’s Bid targets GNL-3Z Project in Algeria 3 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION GNL-3Z Project in Algeria 4 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION Process Facilities Area Inlet Utilities Power Generation GNL-3Z Project in Algeria 5 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION FUTURE TRAIN AREA LNG Production Train Area GNL-3Z Project in Algeria Gas Pretreatment NGL Recovery Liquefaction NGL Fractionation 6 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION Building Area Main Control Room, Warehouse, Workshop, Safety, Administration GNL-3Z Project in Algeria 7 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION Cryogenic Tanks Area LNG (2x160,000 m3) Propane (56,000 m3) Butane (12,000 m3) BOG Recovery GNL-3Z Project in Algeria 8 Project Overview: EPCC Scope of Work COMPLETE INDUSTRIAL FACILITY FROM GRASS ROOT TO OPERATION Marine Works Area Breakwater Jetty Near-shore Flares GNL-3Z Project in Algeria 9 Project Overview: Plot Area LIMITED PLOT SPACE (54 Ha) Offshore flares Liquefaction/Fractionation split Full containment tanks 0.9 x 0.6 km 2.8 x 1.2 km 5.5 x 2.4 km GNL-3Z - up to 9.4 MTPA 6 Ha/MTPA Bonny NLNG - up to 30 MTPA 11 Ha/MTPA Qatar Gas - Ras Gas - 77 MTPA 17 Ha/MTPA GNL-3Z Project in Algeria 10 Project Overview: Novated Items Main Cryogenic Heat Exchanger (APCI) Gas Turbines (GE - Nuovo Pignone) Power Generation: n.3 Frame 6 MR/PR drivers: n.2 Frame 7 Helper motors: 17 MW (Siemens) ITEMS PARTIALLY FABRICATED BASED ON ORIGINAL FEED IMPOSED TO EPC CONTRACTOR GNL-3Z Project in Algeria 11 Management Challenges: Effective Multi-center Project Execution Engineering Mhrs Milan Paris Chennai Yokohama Algèrie Saipem Milan Saipem Paris Saipem Algèrie Saipem India Chiyoda, Yokohama OVERALL PROJECT LEADERSHIP LNG Train design Utilities design Procurement Marine facilities design Storage/loading design Logistics support, Subcontracts Site: Construction Supervision, Field Engineering, Commissioning Detailed design for Storage, Utilities and Offsites ADVISORY ROLE: Consultancy, Review, Selected experienced personnel supply GNL-3Z Project in Algeria 12 Management Challenges: Workforce at Site PROJECT TARGET: LOCAL CONTENT MAXIMIZATION Company Expats Algerians Saipem 38% 62% International SubContractors 30% 70% Algerian SubContractors -- 100% Project Average 27% 73% 7 OUT OF 10 LOCAL WORKERS MOBILIZATION: PEAK IN MARCH 2012 Total 11,830 GNL-3Z Project in Algeria 13 Engineering Challenges: LNG Capacity Increase TRAIN PEAK NOMINAL CAPACITY WAS INCREASED TO 5.1 MTPA (NOMINAL 4.7 MTPA) BID COMPETITION TARGET: MAXIMIZE LNG PRODUCTION ABOVE ORIGINAL 4.0 MTPA, USING PRE-COMMITTED EQUIPMENT MCHE Refrigeration Cycles CLOSE COOPERATION WITH GE AND APCI Operating pressure increase MCHE bypass EFG cold energy recovery MR composition optimization MR/PR power balance Compressors curves re-design Additional Items Liquid expanders Auxiliary Propane Cycle EFG system n.1 GTG GNL-3Z Project in Algeria 14 Engineering Challenges: Safety in design FEED DESIGN EXTENSIVELY REVISED IMPROVING PLANT HSE FEATURES BID COMPETITION TARGET: IMPROVE HSE DESIGN, REDUCE AUTO-CONSUMPTION Safety LNG/LPG spillage handling LNG/LPG far from GT’s, furnace and incinerator LPG air coolers emergency isolation in two halves Environment DLN/DLE for all Gas Turbines Waste Heat Recovery GNL-3Z Project in Algeria 15 Engineering Challenges: Saipem Compact Design Solutions PROPANE KETTLES ARRANGEMENT TYPICAL ARRANGEMENT GNL-3Z SAIPEM COMPACT DESIGN PRO’S Compact layout, KO drums close to kettles Maintainability, Accessibility Material selection: LTCS on HHP-HP kettles LPG spillage handling GNL-3Z Project in Algeria 16 Procurement Challenges – GNL-3Z Arzew ARZEW, ALGERIA Main Bulk & Equipment Quantities UoM TOTAL Steel Structures T 43,000 Piping T 23,000 E&I Cables km 3,000 Equipment T 26,000 GERMANY BOG Compressors Cold Boxes Activated Amine USA MCHE Liquid Expanders 2 Frame 7 GTCs Cryogenic Pumps S. KOREA Air Coolers S&T Exchangers Big Size Vessels Big Size Columns ITALY Main Compressors 3 Frame 5 GTCs Special On-Off Valves Piping MIDDLE EAST Steel Structures JAPAN End Flash Compressors Special Cryogenic Valves FRANCE 4 Frame 6 GTGs Molecular Sieves Activated Carbon GNL-3Z Project in Algeria 17 Construction Challenges: HSE Performances CONSTANT FOCUS ON HSE LEAD TO A CONTINUOS PERFORMANCE IMPROVEMENT TRIFR* CURRENT MHRS NO LTI > 19,900,000 HSE TRAINING > 230,000 HOURS 2,5 Average = 0.89 2,19 2 1,45 1,5 1,14 1 0,82 0,5 0,28 0 2009 THE SAFER, THE BETTER 2010 2011 WORKED MANHOURS 2012 2013 PERFORMANCE ACHIEVED * TRIFR = Total Recordable Injury Frequency Rate GNL-3Z Project in Algeria 18 Construction Challenges: Air Coolers Installation Sequence LIFTING RAIL POSITIONING GNL-3Z Project in Algeria SLIDING 19 Construction Challenges: De-Ethanizer Column Heavy Lifts Tower Bridge Operation: Heaviest Lift Weight 1150 tons GNL-3Z Project in Algeria 20 Construction Challenges: Cryogenic Storage and Marine Works GNL-3Z Project in Algeria 21 Construction Challenges: Cryogenic Storage and Marine Works LNG TANKS H=50m, OD=85m Capacity=160,000 m3 GNL-3Z Project in Algeria 22 Construction Challenges: Cryogenic Storage and Marine Works HP FLARES H=140m Capacity: Cold 2400 Tons/h Warm 1300 Tons/h Causeway = 250 m GNL-3Z Project in Algeria 23 Construction Challenges: Cryogenic Storage and Marine Works JETTY CAUSEWAY L=400m Rubble Mounded GNL-3Z Project in Algeria 24 Construction Challenges: Cryogenic Storage and Marine Works JETTY TRESTLE L=500m Caissons GNL-3Z Project in Algeria 25 Construction Challenges: Cryogenic Storage and Marine Works BREAKWATER L=760m Caissons GNL-3Z Project in Algeria 26 Construction Challenges: Cryogenic Storage and Marine Works RECLAIMED AREA TEMPORARY DOCK L=250m GNL-3Z Project in Algeria 27 Commissioning Challenges: from Construction to Operation SET UP OF COMPLETE TEAM TO DELIVER AN EFFECTIVE PLANT START UP Management 12 Operation 80 Process 8 Mechanical 33 Instrumentation 50 Electrical 27 TOTAL: 210 GNL-3Z Project in Algeria 28 Commissioning Challenges: Client Team Training BUILD UP OF COMMISSIONING, OPERATION & MAINTENANCE INTEGRATED TEAM Training Areas Engineering Operation Maintenance Fire Fighting - 30 trainees - 139 trainees - 62 trainees - 13 trainees Trainees Assessment Initial Assessment On-going Assessment Final Assessment CLIENT TRAINING 24,000 HOURS GNL-3Z Project in Algeria 29 Commissioning Challenges: Achievements and Way Forward PLANT IS RUNNING SMOOTHLY AT REDUCED CAPACITY Utilities & Power Generation Oct 2013 Gas Turbines & Compressors Commissioning Nov 2013 Gas Treatment (Warm End) Dec 2013 Defrost of Cryogenic Sections Mid Jan 2014 Propane Import - Auxiliary Propane Cycle Jan 2014 NGL Recovery and Fractionation Mid Feb 2014 Ethane import - Refrigerant Cycles Start Up Mar 2014 Propane/Butane Production, Storage and export Jun 2014 Liquefaction and End Flash Jun 2014 LNG Storage and Loading systems First LNG Ship Increase production at rated capacity FIRST LNG SHIP IN JULY 2014 Performance Test GNL-3Z Project in Algeria 30 Conclusions SAIPEM, as a JV leader, with the technological support of CHIYODA: have executed the EPC portion of the LSTK Project GNL-3Z are now completing the Commissioning and Start-up Phase delivering to SONATRACH their largest LNG Production Train. GNL-3Z Project in Algeria 31