phase 4 report - DNV

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RN06: ICE MANAGEMENT – STATE OF THE ART REPORT // Introduction1. Introduction1.1. ObjectiveThe objectives of the State of the Art (SoA) report areto1. briefly describe the Ice Management (IM)systems having been operational to date as wellas the IM system and philosophy planned for theShtokman Phase 12. give input to what elements and components ofdifferent IM systems have proved to work welland where improvements can be made3. based on the experience gathered throughthe projects, recommend further action thatwill contribute to the implementation of IMsystems that ensure safe operations, increasedoperability, extended season operation andkeeping ice actions at level below design values,which themselves can be reduced by IM.1.2. Scope and contentA brief summary of the IM systems that have beenimplemented is provided for each of the followingprojects/regions:• Kulluk / Canmar drill ships• Grand Banks• Sakhalin 2• ACEX (Arctic Coring EXpedition)The final section summarizes how the ShtokmanPhase 1 Project has combined the accumulatedexperience with own developments in their operatingphilosophy and relevant IM specifications and plans.Summaries for the five projects were supplied bymembers of Working Group RN06, who were giventhe following scope for the contributions:Each summary shall contain the following topicswhenever relevant:3. Detection and surveillance, tracking andmonitoring of ice features. Satellite, airborne,radar, vessel, underwater instrumentation, etc.4. Institution responsible for forecasts, forecastmodel, whether or not updated by data, updatefrequency, verification procedure.5. Physical Ice Management (PIM). Types, numberand sizes of vessels, means of removing icebergs,ice breaking patterns, etc.6. Procedures for threat evaluation and start ofPIM.7. Procedures for disconnection, where relevant.8. Organisation, responsibilities and implementedprocedures.9. Training. Onshore personnel, ice managementcrew, offshore personnel.10. Ice load monitoring, if any, and effects of IM.11. Monitoring, characterisation and reportingperformance of IM. What aspects of IM weremonitored and reported, how the performancewas reported.12. Any other aspect of IM.In addition, the following is given for each operation:• Brief assessment of what worked well andwhat did not work so well, from the firstplanning of IM to the structure left the site• Brief descriptions of any furtherdevelopments of IM that may have beeninitiated as follow-up the point above1. Description of the structure for which IM wasimplemented. Fixed or floating, station keepingsystem and whether disconnect able or not forfloating structures (in case of disconnect ablestructure a brief description of the disconnectionsystem and capability is wanted), drilling orproduction, size and other information relevantfor IM.2. Ice environment: Icebergs, pack ice, ice season,annual or rare occurrence.202RUSSIAN–NORWEGIAN COOPERATION PROJECT
RN06: ICE MANAGEMENT – STATE OF THE ART REPORT // IntroductionBarents 20201.3. Expert Working GroupMembers of the Working Group RN06 were:ExpertsDmitry A. Onishchenko(Russ. Coordinator)Igor BardinOleg A. GasnikovYuri P. GudoshnikovMikhail KuznetzovAnna KvasnyakVladimir LegostaevPavel LiferovMikhail NaumovAleksander ZiminBård E. BjørnsenEdmond CocheClaire ChannelliereKenneth J. EikAlex IyerusalimskiyKarl HambergIan ReedJarkko ToivolaMorten Mejlænder-Larsen(Norw. Coordinator)CompanyGazprom VNIIGAZ LLCLukoil – VolgogradvnipimorneftGNINGI (State ResearchNavigation HydrographicInstitute)AARI (Arctic and AntarcticResearch Institute)Rosneft – SakhalinnipimorneftJSC Gazprom CKBN EngineeringGiprospetsgaz, JSC(Gazprom JSC)Shtokman Development AGGazprom VNIIGAZ LLCKSRI (Krylov ShipbuildingResearch Institute)Ship Manoeuvring SimulatorCentreTotalTotalStatoilConocoPhillips CompanyAker ArcticShellFinnish Transport Agency(formerly with Nesteoil)DNV1.4. Background and work processDuring the first three phases of Barents 2020 thework carried out in Working Group RN06 includedrisk evaluation of the different phases of loading/unloading and ship transportation of hydrocarbons.The work concluded that present rules, regulationsand standards relevant for the shipping activitywere sufficient to ensure the same safety level in theBarents Sea as in the North Sea despite the additionalchallenges in the former. The procedures andstandards applied in the North Sea for the loading/unloading operations were also found to cover themain identified concerns. Adaption and modificationof the loading/unloading equipment to the BarentsSea conditions, Winterization, and updates of theprocedures were found to be sufficient to take care ofthe additional Barents Sea challenges.One part of the operation related to loading/unloading and transportation which is different inice covered waters from open water areas is the useof ice breakers to break up the ice. This is definedas physical ice management and the purpose is toreduce the impact loads from the ice acting on atanker and on an offshore structure or loading buoysituated in ice.One conclusion from the Phase 3 of the Barents2020 Project was that there is a lack of formalprocedures related to competence training of crewfor physical ice management. The recommendationsfrom the work included• Prepare proposals for functionaldescription for IM as input to IMO andISO standards with regard to requirementsto minimum content for IM manual.• Propose for IMO a training standardfor training institutions for IM (Qualitystandards for training centres)It was decided by the Barents 2020 project to focuson Ice management in the last phase of this projectand a Working Group, RN06, was established tothis end. The objective of RN-06 for Phase 4 wasoriginally to identify relevant parameters and definepractical criteria for a successful Ice Managementoperation, in order to ensure that actual ice loads forthe offshore installations and vessels in question arekept within acceptable limits. In addition, establishoperational procedures and propose updates ofrelevant standards, e.g. ISO 19906. The aim is tomake the IM operation more safe and optimal froman economical and environmental point of view.The work process in this group in this phaseincluded a kick off meeting with presentations andexperience transfer, a second workshop identifyingthe different aspects of the ice managementoperation, a HAZID workshop identifying the mainrisks and finally a meeting discussing and ranking thedifferent risks. As a result of these activities and afterdiscussions and coordination with Working GroupRN02, which worked on the design of floatingstructures in ice, it was decided that limiting thescope of work to a state-of-the art review would bethe best way to prepare for the recommendationsdescribed above.This report describes the state-of-art of icemanagement operation as manifested by theexperience from several operations that involved icemanagement. The report includes the results from theHAZID workshop carried out by working group 6 inBarents 2020 project phase 4.1.5. DeliverablesThe deliverable from the activity of Working GroupRN06 within Barents 2020 Project is this report onstate-of-the-art for Ice Management.Report no 2012-0690 203
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Barents 2020Barents 2020Assessment
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Barents 20206. Contents of Risk Man
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Barents 20203. Hazard Identificatio
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Barents 2020CONCLUSIVE SUMMARYThe B
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2. Cooperation PartnersThe last Ste
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RN02: DESIGN OF FLOATING STRUCTURES
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RN03: RISK MANAGEMENT OF MAJOR HAZA
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RN04: ESCAPE, EVACUATION AND RESCUE
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RN07 // APPENDIXBarents 2020Table A
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RN07 // APPENDIXBarents 2020Report
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RN01: CO-ORDINATION OF DELIVERABLES
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