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Keywords: fatigue failure
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32329-MS
... inhibition machine learning division 2 histogram inspection h2s management complex reservoir artificial intelligence fatigue life crack size api 17tr8 fcgr curve fatigue analysis requirement geometry fatigue failure frequency fatigue screening test data load histogram offshore technology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31949-MS
... allocation resulting in low acoustic fatigue life. Most of the AIV-related failures can be attributed to high cycle fatigue failures at the geometrical discontinuities in the pipework. Small-bore discontinuities on the main header tend to display lower acoustic fatigue resistance than large diameter...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32046-MS
... integrity [ 2 ]. Any producing well can suffer from fatigue failure that leads to micro-fractures and sustained annular pressure (SAP) [ 3 ]. In the very long-life period of the well, formation creeping effect could cause cement sheath failure [ 4 ]. To understand the cumulative fatigue behavior of cement...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32068-MS
... Abstract Casing pipe or joint fatigue failure could happen either during drilling in rough offshore operations or production due to alternating temperatures and cyclic loading of pressure or during stimulation, specifically, multistage hydraulic fracturing, due to temperature differentials...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19425-MS
... and commercially efficient solutions especially when high temperatures and pressures are involved. However, in terms of fatigue, SCRs are very sensitive to environmental loading. The procedure for fatigue analysis is essentially deterministic. This paper concentrates on the probability of fatigue failure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18912-MS
... inspection frequency ndt inspection inspection programme risk management risk assessment offshore technology conference upstream oil & gas module otc 18912 fatigue failure event tree risk and uncertainty assessment consequence topside structure fpso structural component...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18895-MS
... shedding on corrugations of the innermost layer of the flexible riser carcass. These pressure pulsations can be sufficiently extreme to cause vibration induced piping fatigue failures, for example to small-bore connections on both topside and subsea piping. The problem has been seen to occur for gas flow...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-17787-MS
... at operational dynamic and static pressures with a gas flow of natural gas. This methodology was used to test a replica of the Flow Termination Assembly currently deployed sub-sea on Schiehallion. The work showed that a fatigue failure was indeed possible, but the necessarily unfavourable condition had...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1999
Paper Number: OTC-10848-MS
... = 2.32 corresponding to a failure probability of 1.0´10-2. It is noted that this is an annual probability. Considering one failure mode, one may derive the following target system reliability level related to fatigue failure of joint i: [ ] [ ] [ ]iiFSYS FUFSYSFFSYSp PrPrrP »= (10) where pFSYS refers...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1982
Paper Number: OTC-4307-MS
..., fish bite. Perhaps the most important factor affecting their life, however, is "fatigue". Fatigue failure has been defined as "the failure of a structure by repeat loading". This definition embraces failures due to creep, hysteretic, structural realignment and abrasion in cycling as well as failures...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 1979
Paper Number: OTC-3381-MS
... high-and-low-cycle fatigue behavior cyclic shear fatigue failure metals & mining loading offshorestructure concrete sea structure compression prestressed concrete diagonal tension sea structure laboratory test strength prestressedconcreteinstitute offshore structure steel...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2208-MS
... Abstract A technique for prediction of fatigue failure of the tubular joints commonly found in offshore structures is described. The method is based upon fracture mechanics principles and crack growth data. A comparison is made between the fatigue failure of two K-joint models...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 28–May 1, 1973
Paper Number: OTC-1821-MS
... fatigue loading, tapered gusset plate joints in which diametrically opposite regions of the web member section are restrained fail at a lower number of load cycles than non-tapered gusset plate joints. Fatigue failure has been defined as the number of alternating load cycles at which a fatigue crack...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 2, 1972
Paper Number: OTC-1579-MS
... subsurface corrosion mean load construction engineer application seawater fatigue failure specimen corrosive attack load range flowline corrosion wire rope fatiguelife natural frequency materials and corrosion number ato 1579 fatigue life well integrity pipeline corrosion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 21–23, 1970
Paper Number: OTC-1228-MS
... ABSTRACT The fatigue of welded tubular joints, as found in offshore structures, is explored by developing a qualitative model of fatigue behavior. The model is then used, along with basic concepts from fracture mechanics, to develop an analytical model for the prediction of fatigue failure...

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