Wison provides liquefied natural gas (LNG) solutions including both offshore floating LNG (FLNG) and onshore LNG module fabrication. For the Exmar Caribbean FLNG project, Wison is constructing a floating LNG barge off Colombia's coast that will liquefy and store 0.5 million tonnes per annum of LNG, utilizing Black & Veatch liquefaction technology and LNG storage tanks from TGE. The FLNG barge is being built at Wison's yard in Nantong, China and will be transported to Colombia for installation after commissioning.
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Wison has investigated multiple LNG storage options
depending on the size and scope of projects
Smaller or buffer storage:
• Exmar solution utilizing TGE to provide 3 x 5,367 m3 LNG
tanks giving a total of 16,100 m3 capacity
• Tanks are robust IMO Type C, no sloshing and no
secondary barrier
Larger storage:
• Concept developed with IHI for supply of proprietary
SPB tanks for larger storage configurations
• Type B SPB tanks are very robust as they do not have any
issues with sloshing
• Also in discussions for the utilization of Membrane tanks
as a second alternative for full cargo containment.
LNG Storage
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• Pacific Rubiales Energy (PRE) via its subsidiary Pacific
Stratus Energy Colombia Corp. (PSE), signed a natural
gas/LNG Liquefaction, Regasification, Storage and Loading
Services Agreement with EXMAR NV:
− EXMAR will build, operate and maintain a Floating Liquefaction
Regasification & Storage Unit (FLRSU) to be located on the
Colombian Caribbean coast.
− PSE will have exclusive rights to supply and liquefy up to 0.5
mmtpa of LNG over a 15‐year period, under a tolling structure.
• The source of the gas is PSE’s La
Creciente Field.
• PSE will build an 18in pipeline to
transport gas from the field to the
coast (88 Km)
Caribbean FLNG Project Background
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The FLNG Solution
• FLNG solution is a non‐
propelled barge moored to an
offshore jetty
• FLNG is to be located 4 Km
offshore in 14m of water
• FLNG storage and process
requirements are:
‐ Storage ‐ 16,000 m3
‐ Liquefaction – 0.5 MTPA
‐ *Regasification – 400 MMSCFD
• Additional storage provided
through 170,000m3 LNG
Floating Storage Unit (FSU)
*Regasification option (400MMSCFD):
• 65% of Colombia’s electricity comes from hydropower
• In some years (la Nina) water shortages may require importing LNG to generate power to
maintain supply
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• Wison is the primary EPCIC contractor to
EXMAR for the barge‐based FLSU
• Wison’s Scope:
‐ Project Management
‐ Engineering
‐ Procurement
‐ Construction
‐ Commissioning
‐ Transportation
‐ Installation
‐ Start‐up
• Major subcontractors :
‐ Black & Veatch: Topside LNG Equipment Design,
Procurement & Commissioning
‐ TGE: Cargo Tanks & Cargo Handling Systems
Exmar CFLNG Project
• Barge Particulars:
‐ Length: 144m
‐ Breadth: 32m
‐ Depth: 20m
‐ Draft: 5.4m
• Hand over: 2015
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• TGE to provide 3 x 5,367 m3 LNG tanks providing a
total of 16,100 m3 capacity
• Tanks are robust IMO Type C, no sloshing and no
secondary barrier, strong against inner and outer
pressure with safe and simple control
• Tanks are designed for easy operation and
maintenance
• TGE has more than 25 years experience in the field and
more than 100 gas carrier contracts
• Stand‐alone tank design selected to minimize overall
project schedule – tanks may be fabricated in parallel
and lifted into FLRSU hull at shipyard
• TGE also to supply cargo transfer system, and
associated gas safety systems, electrical equipment
and instrumentation, and auxiliary systems
Gas Handling and Transfer System
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• Use of proven international Project Management team and
procedures
• Experienced technology partners and willingness to share risks
• Defined Client and Sub‐Contractor interface management
protocol considering the international nature of the project
and multiple sites
• Develop early Level 4 schedule and the governing critical path,
regularly update
Execution Strategy
• Focus on quality and problem‐solving to produce “on‐time” and “first time right”
engineering
• Experienced commissioning management to ensure system readiness, performance
potential and zero failure on‐site in Colombia
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• Fully operational in 2006
‒ Located at the bank of the Yangtze River
(76 km from the open sea)
‒ Occupies 640,000 square meters and maintains
735 meters of river front
‒ 290 meter x 68 meter drydock
• Throughput capacity:
‒ Annual: 77,000 Tonnes
• Staffing:
‒ Peak: 3,500 (including contractors)
Nantong Yard
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