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Fsru conference fsru dam 21 nov 12

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A comprehensive approach to FSRU/FLNG docking and mooring solutions

A comprehensive approach to FSRU/FLNG docking and mooring solutions

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  • The FSRU located equipment consists of: Ship Shore Interconnection system for Hazardous Area using PYLE 37 way system; Ship Shore Interconnection Junction Box for Manifold Area. RTK GPS system for measurement of Vessel Position, Pitch, Roll ,Yaw, Longitudinal Drift and Seaward drift., Remote workstation for display of Jetty based Mooring Line Tension and Environmental data as measured at the Jetty and setup monitoring of the FRSU GPS position system. Telemetry system provides data to the Remote Marine Terminal Facility.
  • QRH Release Interface to FSRU QRH units BL-1 & BL-8 on the outer dolphins are wired on a separate communications network. They are expected to interface to a Trelleborg supplied Remote Release control system on board the FSRU . The local Release Enable and Release All circuits are incorporated into an Ethernet interface and the Modbus control and monitoring system is converted by the interface unit to Modbus TCP. Interconnection to the FSRU systems is via Ethernet which is via the Ship Shore Network Link. QRH Data to FSRU Mooring Line Tension and EMS data is made available for the FSRU based mooring system via a MMS server In the Trelleborg system QRH Data from FSRU Mooring Line Tension data is made available at the FSRU using a MMS server in the FSRU Trelleborg mooring systemQRH & EMS to Petrobras SCADA All data (Mooring Line Tension and Environmental Data at the Jetty based Trelleborg Marine System is available to the Petrobras SCADA system via OPC . (With the exception of the Remote Release )
  • QRH Release Interface to From Jetty QRH units BL-1 & BL-8 on the outer dolphins are wired on a separate communications network. They are expected to interface to a Trelleborg supplied Remote Release control system at the jetty. The local Release Enable and Release All circuits are incorporated into an Ethernet interface and the Modbus control and monitoring system is converted by the interface unit to Modbus TCP. Interconnection to the Jetty systems is via Ethernet which is via the Ship Shore Network Link. QRH & EMS Data From Jetty Mooring Line Tension and EMS data is made available At the Jetty based mooring system via a MMS server In the Trelleborg system QRH Data To Jetty FRSU Mooring Line Tension data is made available To the Jetty using a MMS server in the FSRU Trelleborg mooring system QRH & EMS to Petrobras SCADA All data (Mooring Line Tension Jetty & FSRU as well as Environmental Data at the Jetty based Trelleborg Marine System is available to the Petrobras SCADA system via OPC Server at the Jetty . (With the exception of the Remote Release )Docking Aid Systems The use of :Laser docking deployed from the FSRU is not recommended , Trelleborg preference is for a differential GPS based system similar to other FSRU sites.

Transcript

  • 1. Trelleborg Marine SystemsA Comprehensive Approach to FSRU Docking & MooringSystemsNovember 2012
  • 2. A Comprehensive Approach to FSRU Docking & Mooring Systems Agenda  Introduction  Defining the unique challenges of FSRU mooring  Project Evolution of the Golar Winter FSRU and Petrobras Bahia Regasification Terminal  QuestionsTRELLEBORG GROUP2
  • 3. TRELLEBORG MARINE SYSTEMS INTRODUCTION  Trelleborg Marine Systems provides safe berthing and mooring solutions for demanding marine environments  History  Harbour Marine Engineering was established in 1971  Focus on onshore and offshore mooring equipment since 1980  Acquired by Trelleborg in 2006  Technical capabilities  Proven ability to integrate complex solutions – 50% of LNG jetties worldwide  World leader in the supply of quick release hooks  Complete Design Control  Mechanical, electrical, instrumentation and software in-house design, procurement, manufacturing, QA, project management and after sale serviceTRELLEBORG GROUP3
  • 4. Ship-To-Ship – FSRU/FLNG APPLICATIONS  Recent Projects :  Golar Freeze for Dubai LNG  Golar Frost for Livorno LNG  Golar KHANNUR West Java LNG  Hoegh FSRU 2459 & 2450  Golar Winter for Bahia LNG  Excelerate Escobar Argentina  Mooring System Elements  STS Quick Release Hooks  Load Monitoring  Remote Release  RTK GPS Berthing Aid  Fenders and DeploymentTRELLEBORG GROUP System4
  • 5. A Comprehensive Approach to FSRU Docking & Mooring Systems Agenda  Introduction  Defining the unique challenges of FSRU mooring  Project Evolution of the Golar Winter FSRU and Petrobras Bahia Regasification Terminal  QuestionsTRELLEBORG GROUP5
  • 6. FSRU Docking and Mooring System General Observations  This presentation is focused on onshore/near shore docking and mooring FSRU applications  Majority of current projects are floating onshore regas  We are finding that floating regas are more complex from a mooring system integration standpoint  The docking and mooring system elements tend to be considered in isolation  LNGC/FSRU – Shipbuilder focusing on primarily FSRU Ship-to-Ship mooring system hardware  FSRU/LNG Jetty – Civil EPC focusing on jetty construction  The total mooring system must be considered entirety  The “system” includes mechanical elements, instrumentation and control & monitoringTRELLEBORG GROUP6
  • 7. Mooring System Arrangements Effect System Integration Considerations Where will centralised control & monitoring be located?TRELLEBORG GROUP7
  • 8. Design Considerations  Mechanical mooring system elements  Quick Release Hawser Hooks - QRHs  Coordination of QRH sizing (SWL) between Jetty and FSRU  OCIMF guidelines versus MCS – Operational based “recommendations” versus defined maximum structural limits  Located on the Jetty  Semi Permanent nature of FSRU creates special challenges – mechanical equipment difficult to access for maintenance  QRHs may also be utilised by transient LNGC  Mooring lines may be terminated by chain stoppers on FSRU – typically mooring winch brake is the limiting factor  Ship-to-Ship FSRU/LNGC  Length of mooring line affects shock absorbing ability  Optimizing mooring line arrangement  Lines are potentially provided by transient LNGC  Pneumatic fenders and deployment systemTRELLEBORG GROUP8
  • 9. Design Considerations  Operational and Environmental considerations  Who requires monitoring system data?  Plant operations/Process Oversight – FSRU and ashore  Terminal operations floating and ashore  LNGC deck officers  Where will the cargo operations be controlled from?  Safe execution of emergency release – assurance that only the desired vessel is release during an emergency  Hazardous versus Non Hazardous  Equipment selection – intrinsically safe electrics and instrumentationTRELLEBORG GROUP9
  • 10. Design Considerations  Overall control and monitoring elements  MetOcean and Environmental  Docking Aids  Mooring System Load Monitoring  Interface with Ship-to-Ship Link (SSL)  Where to place the equipment?  Who needs the information?  Optimization of cabling (FOL, copper, Wireless)  Ship-to-Ship Link (SSL) – What is the ESD philosophy across all vessels?  SSL – Hot Line and general comms are consistent across all vessels  SSL – will mooring line data be transferred via the link or will an independent system? The demand for data sharing is increasing...TRELLEBORG GROUP10
  • 11. Mooring System Integration Challenges Safe and coordinated emergency release is criticalTRELLEBORG GROUP11
  • 12. Potential for a fragmented systemTRELLEBORG GROUP12
  • 13. A Comprehensive Approach to FSRU Docking & Mooring Systems Agenda  Introduction  Defining the unique challenges of FSRU mooring  Project Evolution of the Golar Winter FSRU and Petrobras Bahia Regasification Terminal  QuestionsTRELLEBORG GROUP13
  • 14. Project Evolution Petrobras Bahia Regasification Terminal •Petrobras previously implemented Pecem & Guanabara FSRU Terminals •Neither had a monitoring system on board at specification time. •TMS supplied a wireless system later •Petrobras required a permanent monitoring system in the FSRU with a view of all the mooring, Shore Side FSRU & LNGC as well as process data. •A new separate Fibre Optic LAN was specified . Original architecture was using OPC which was not suitable for QRH control. •Trelleborg implemented a solution over Ethernet with multiple protocols over the new LAN that allows data exchange and control of outer hooks from the FSRU without compromising safety. •Data can be viewed from any suitable equipped workstation on the networkTRELLEBORG GROUP14
  • 15. Project Evolution Petrobras Bahia Regasification Terminal – FSRU side •Golar Winter •Control of outer jetty hooks •Data output for LNGC via standard SSL MLM Repeater •FSRU has view of Mooring load from LNGC and view of total loads as viewed from Jetty •System has provision for RTK GPS STS docking system (option not taken up yet) •FSRU has access to all Met Ocean data as measured from shore side systems •FSRU controls remote release of all LNGC lines, terminating on FSRU & Jetty •Data can be provided on handheld units (option not taken up yet)TRELLEBORG GROUP15
  • 16. A Comprehensive Approach to FSRU Docking & Mooring Systems Agenda  Introduction  Defining the unique challenges of FSRU mooring  Project Evolution of the Golar Winter FSRU and Petrobras Bahia Regasification Terminal  QuestionsTRELLEBORG GROUP16
  • 17. Stephen Woolway Offshore Integrated Moorings Systems Business Development Manager stephen.woolway@trelleborg.com www.trelleborg.com/marineTRELLEBORG GROUP17 October 2, 2008