reliability assessment of offshore jacket structures in niger delta

reliability assessment of offshore jacket structures in niger delta reliability assessment of offshore jacket structures in niger delta

11.07.2015 Views

accomplishment is important for the straightforward assessment of existing offshoreplatforms particularly, when the structure life extension is anticipated.ReferencesM.A. Salau, D.E. Esezobor, M. F. Omotoso/Petroleum & Coal 53 (4) 291-301, 2011 298[1] Sharp J.V.,: (1992),” Ageing offshore structures: a review of recent UK research”,Offshore Mechanics and Arctic Engineering, OMAE 1992, V. III-B, MaterialEngineering, p.p. 391-398 C.[2] Guedes Soares and Garbatov: (1998), “Reliability Assessment of Maintained ShipHulls with Correlated Corroded Elements, Unit for Marine Technology andEngineering, Instituto Superior Tecnico, Universidade Tecnica de Lisboa Paris1096, Portugal, Marine Structures p.p.629-653.[3] Moan, T.: (2005). Reliability-based Management of Inspection Maintenance andRepair of Offshore Structures, Journal of Structures and InfrastructureEngineering, Vol. 1, No 1, pp 33 – 62, Taylor & Francis Publication.[4] Gerhard Ersdal: (2005). Assessment of Existing Offshore Structures for LifeExtension, PhD Thesis University of Stavanger Norway 16 p.[5] API RP-2A WSD (2000). Recommended Practice for Planning, design andconstructing fixed offshore platforms – Working Stress Design, API Recommendedpractice 2A-WSD Twenty-first edition.[6] BOMEL :(2003), ageing structures and life extension – Review of UK work invarious industries, HSE Proposal number: P241. Restricted Commercial ReportIssued by Bomel Consortium Ledger House, Maidenhead, Berkshire, SL6 2NR, UK.[7] Nicholas Summerville: (2004) Basic Reliability – An introduction to ReliabilityEngineering (ISBN 1-4184-2418-8) 108 p.[8] Buche.r C.G. and Bourgund. U.: (1990), “A Fast and Efficient Response SurfaceApproach for Structural Reliability Problems”, Structural Safety, Vol. 7, p.p. 5.[9] Au S.K. and Beck J.L: (1999), “A new adaptive importance sampling scheme forreliability calculation”, Structural Safety, Vol. 21, p.p. 135-158.

M.A. Salau, D.E. Esezobor, M. F. Omotoso/Petroleum & Coal 53 (4) 291-301, 2011 29912BAAB+ 4.00MWLOMAMWL+ 4.00OMB1DB+ 4.00MWLOM11D19.4+ 4.00MWLOM29.61D1EL (-) 7.002MAEL (-) 7.002MB9.6EL (-) 7.002M13D19.6EL (-) 7.002M2L04L03L013DBL02L019.1L04L013D2L03EL (-)18.3018.254MA9.458.1018.11EL (-) 18.3012.74MB52B3MB51B11.618.5EL (-) 18.3018.64M118.2EL (-)18.3018.115BA3MB4M2Tabl5D418.5218.611.953B5CA12.5EL (-) 32.006M1EL (-)32.006MAEL (-) 32.006MBEL (-)32.006M2B12M1Row- A2MB2MD2MH2MG2MF 2ME22M2BRow- B14ME4M14MF4MG4MB4MC4MD24M2Row-1B11B9.44M16M112.04ME9.04MF6ME4MGRow-2226MB4MB9.14MD6MC4M26M24MC6MDRow-Row-A2MAAAPlan at Level (–) 7.00Plan at Level (–) 18.30APlan at 6MA Level (–) 18.3011Figure 7 Jacket Platform Elevations and SectionsPlan at Level (– ) 32.00

accomplishment is important for the straightforward <strong>assessment</strong> <strong>of</strong> exist<strong>in</strong>g <strong>of</strong>fshoreplatforms particularly, when the structure life extension is anticipated.ReferencesM.A. Salau, D.E. Esezobor, M. F. Omotoso/Petroleum & Coal 53 (4) 291-301, 2011 298[1] Sharp J.V.,: (1992),” Age<strong>in</strong>g <strong>of</strong>fshore <strong>structures</strong>: a review <strong>of</strong> recent UK research”,Offshore Mechanics and Arctic Eng<strong>in</strong>eer<strong>in</strong>g, OMAE 1992, V. III-B, MaterialEng<strong>in</strong>eer<strong>in</strong>g, p.p. 391-398 C.[2] Guedes Soares and Garbatov: (1998), “Reliability Assessment <strong>of</strong> Ma<strong>in</strong>ta<strong>in</strong>ed ShipHulls with Correlated Corroded Elements, Unit for Mar<strong>in</strong>e Technology andEng<strong>in</strong>eer<strong>in</strong>g, Instituto Superior Tecnico, Universidade Tecnica de Lisboa Paris1096, Portugal, Mar<strong>in</strong>e Structures p.p.629-653.[3] Moan, T.: (2005). Reliability-based Management <strong>of</strong> Inspection Ma<strong>in</strong>tenance andRepair <strong>of</strong> Offshore Structures, Journal <strong>of</strong> Structures and InfrastructureEng<strong>in</strong>eer<strong>in</strong>g, Vol. 1, No 1, pp 33 – 62, Taylor & Francis Publication.[4] Gerhard Ersdal: (2005). Assessment <strong>of</strong> Exist<strong>in</strong>g Offshore Structures for LifeExtension, PhD Thesis University <strong>of</strong> Stavanger Norway 16 p.[5] API RP-2A WSD (2000). Recommended Practice for Plann<strong>in</strong>g, design andconstruct<strong>in</strong>g fixed <strong>of</strong>fshore platforms – Work<strong>in</strong>g Stress Design, API Recommendedpractice 2A-WSD Twenty-first edition.[6] BOMEL :(2003), age<strong>in</strong>g <strong>structures</strong> and life extension – Review <strong>of</strong> UK work <strong>in</strong>various <strong>in</strong>dustries, HSE Proposal number: P241. Restricted Commercial ReportIssued by Bomel Consortium Ledger House, Maidenhead, Berkshire, SL6 2NR, UK.[7] Nicholas Summerville: (2004) Basic Reliability – An <strong>in</strong>troduction to ReliabilityEng<strong>in</strong>eer<strong>in</strong>g (ISBN 1-4184-2418-8) 108 p.[8] Buche.r C.G. and Bourgund. U.: (1990), “A Fast and Efficient Response SurfaceApproach for Structural Reliability Problems”, Structural Safety, Vol. 7, p.p. 5.[9] Au S.K. and Beck J.L: (1999), “A new adaptive importance sampl<strong>in</strong>g scheme for<strong>reliability</strong> calculation”, Structural Safety, Vol. 21, p.p. 135-158.

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