... of different types of slender structures. riser configuration mean tension tn curve fatigue life touchdown zone sn curve corrosion subsea system umbilical fatigue slender structure fatigue performance interaction critical location cross-section slender offshore structure upstream oil...

... natural frequency transfer function sn curve reducer fatigue damage offshore technology conference References References Carucci , V. A. and Mueller , R. T. , Acoustically Induced Piping Vibration in High Capacity Pressure Reducing Systems , ASME 82-WA/PVP-8 ; 1982...

... assessment and the long-term Weibull distributions of stress range are considered for the simplified fatigue assessment at critical locations. assessment fpso stress amplitude bilge keel sn curve subsea system strength assessment location 2 fe analysis fatigue assessment strength fatigue...

... corrosion fatigue mechanism seawater opb frequency testing program plane materials and corrosion link straight part stress range loading sn curve flowline corrosion mooring system upstream oil & gas chain link References References SBM Offshore –RD51254 – RRM86007A1 – Chain Out...

... life for the in-place conditions. weld in-place condition stress concentration factor calculation sn curve compressive stress butt weld subsea system upstream oil & gas fatigue life penetration offshore technology conference scf pile section pile capacity fatigue damage wall...

... sn curve corrosion inhibition concentration pre-salt cluster flexible pipe fatigue behavior otc 21262 fixture programme tensile armor wire partial pressure stress range OTC 21262 Evaluation of the Effects of CO2 Partial Pressure on the Corrosion Fatigue Behavior of Flexible Pipe Tensile...

... probability output variable fatigue life sn curve riser safety index wall thickness calculation upstream oil & gas otc 19425 steel catenary risers-a probabilistic approach offshore technology conference cumulative distribution function fatigue failure OTC 19425 Fatigue in Deep Water Steel...

... tolerances and subsequent capped-end pressure test determined the best design for Phase II test. Phase II was to generate the SN curve for DWC/C-SR connection. Three ISO configurations, with three samples in each group, were tested at different stress levels. Connections were fatigued to failure...

... calculation benchmark technology conference prediction design stage sn curve cold spot dffl upstream oil & gas floating production system design practice lifetime consumption monitoring system fpso subsea system loading factor fatigue loading fatigue damage fatigue lifetime OTC 18913...

...). pressure armour pipe armour wire pressure armour edge upstream oil & gas sn curve analysis methodology otc 17764 cantilever beam test data flexible pipe stress range cross section design curve armour corrosion fatigue testing offshore technology conference run-out data uniaxial...

... were also ranked and a second best performer or secondary design was determined. The second goal was to generate an SN curve for the preferred design and compare it to a limited number of samples of the second best design. This was accomplished through harmonic fatigue testing of the preferred design...

... and the boundary conditions that are not possible with physical testing (Pecknold 2000, 01, 02, 05). The Task Group also evaluated and upgraded the tubular joint fatigue design procedures. The welded joint X and X' fatigue design curves in the RP 2A Editions 11 thru 21 have been replaced by a basic SN curve...

... Abstract API RP2A hot spot X and X' fatigue design curves for welded tubular connections have been replaced by a basic SN curve with slope m=3 changing to m=5 at ten million cycles. In this paper, the new criteria are compared with test data from both API-sponsored and European research...

... ambient temperature 5 drilling connection stress level sn curve setting casing load frame testing OTC 16563 Methodology for Testing Casing Drilling Connections for High Pressure/High Temperature Applications M. A. Hegler, Grant Prideco, L.L.P.; Q. Lu, Grant Prideco, L.L.P.; and R. C. Griffin...

... crack length sn curve flaw size residual stress hydraulic fracturing upstream oil & gas complex reservoir ctod 0 criteria design example subsea system OTC 16461 Low Cycle Fatigue in HP/HT Flowlines C. H. Luk, Xinhai Qi, Tai-Jun Wang, and Mark Brunner, Technip Offshore, Inc. Copyright...

... oil & gas installation sensitivity strake length wall thickness matterhorn scr fatigue life sensitivity analysis sn curve fabrication scr scr design assumption variation acceptance criteria otc 16612 fatigue testing pipe OTC 16612 Matterhorn Steel Catenary Risers: Critical...

... variability stress concentration factor sn curve efthymiou equation register equation damage ratio upstream oil & gas parametric equation tubular joint scf offshore structure artificial intelligence OTC 10849 Uncertainties in the Fatigue Lives of Tubular Joints T. Xu, R. G. Bea, University...

... floating production system requirement brace life extension fatigue damage subsea system sn curve production chemistry inspection fatigue life corrosion management fpso transfer function column shell upstream oil & gas flowline corrosion corrosion inhibition renewal *. @ Structural...

...), derivable from finite element analysis or strain gages, provide the designer the means to calculate hot spot stress. sn curve marshall upstream oil & gas size effect scf otc 7155 hot spot stress materials and corrosion branch thickness tubular joint riser corrosion stress...

... and spectral analyses determined the fatigue life for both risers. The fatigue life analysis follows recommendations of API W 16Q (in draft form). The steel riser uses the API RP 2A's X allowable S-N curve, The composite riser uses the SN curve recommended by Curtis 3 for fibrous composite materials...