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Keywords: fatigue assessment
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Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31280-MS
... to the simplification and limitation to provide rational assessment on lifetime structural integrity and efficient design, structural engineers separately apply factors of safety either as reduced allowable stresses or as factored load combinations [ 4 ]. In the fatigue assessment, spectral analysis is widely used...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30748-MS
... June . ISOPE-I-12-228 Russo , M. , Holden , H. , Reinds , L , Sether , M . 2012 . Fatigue Assessment of Subsea Wells for Future and Historical Operations based on Measured Riser Loads . Rio de Janeiro, Brazil , 1 —6 July . OMAE2012-83162 Russo , M. , Wolak , U...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29553-MS
... Abstract Riser-soil interactions have significant influence on the fatigue assessment of steel catenary risers (SCRs) near the touch down zones (TDZs), and can be critical in realizing a competitive SCR design and in extending a SCR design life. The motivation of the paper is to share...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29449-MS
... with the objective of establishing commonly accepted methods. Different FEA procedures have been studied for making a better prediction of stress ranges of the corroded chain links. The findings from the fatigue testing and FEA will be utilized as basis for further development of the methods for fatigue assessment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29236-MS
... Abstract A soil response framework for use in fatigue assessment of offshore wells and piles is presented. The framework covers clay and sand soil types. It was developed through comprehensive series of physical testing and numerical simulations. It hinges on determination of the unload-reload...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29249-MS
... pressure high temperature valve body loading internal pressure fracture mechanics hpht offshore technology conference material fracture toughness assessment hydraulic fracturing fracture toughness stress intensity factor complex reservoir fatigue assessment American Petroleum Institute...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28691-MS
... bottom sub upstream oil & gas asme bpvc viii-2 failure load global collapse load fatigue analysis requirement assessment high pressure high temperature criteria complex reservoir fatigue assessment design verification analysis application division 2 viii division 2 fatigue...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27524-MS
... equipment fatigue assessment procedure adequate fatigue design material property H. P. A. G. M. C. S Meruva , "OTC-27266-MS Challenges in Material Selection and its Qualification for use in HPHT Environment for Drilling Equipment," in OTC , 2016 . API TR 1PER15-1 , First Edition...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27754-MS
... Abstract Subsea equipment design verification and validation are to be performed by analysis and testing, respectively. Two of the most important aspects of this process for high-pressure, high-temperature (HPHT) applications are load estimation and fatigue assessment. This paper presents...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27252-MS
... Abstract This paper presents advanced analysis procedures for the strength and fatigue assessment of FPSO bilge keels which are developed under the joint development project (JDP) between ABS and Chevron. For enhanced performance of FPSO/FLNG units in harsh environments, large bilge keels...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27216-MS
.... S. 2001 . Fatigue and Fracture Mechanics of Offshore Structures . Professional Engineering Publishing Limited. American Bureau of Shipping (ABS) . April 2003 . Fatigue Assessment of Offshore Structures . Simulia Dassault Systemes . 2014 Abaqus 6.13-1 FEA Software...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25795-MS
... Abstract Well fatigue assessment is an important aspect of the design and integrity assurance of deepwater riser-well systems. Fatigue damage arises from stress changes in a conductor due to cyclic loading. In practice, the lateral cyclic soil response is typically modeled using Winkler type...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25311-MS
... conditions, and relocation to a new field with different environmental conditions. fpso relocation interface structure upstream oil & gas environmental condition life extension strength fatigue assessment inspection assessment fpso life extension fatigue analysis subsea system hull...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24026-MS
... with emphasis on technical and execution challenges and the measures taken during the project execution. This project provides a good example, on a real project with a tight schedule, for the upgrading and the life-extension of an aged deepwater floating production system. fatigue assessment assessment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23278-MS
... Main Assumptions RP-3 Fatigue Design and Analysis of Drilling and Well Systems RP-3 focuses on the fatigue assessment of the well system. The main objective of RP-3 is to provide a detailed procedure for fatigue damage assessment, and thereby provide essential input to decision support of challenges...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23337-MS
...-term application long-term operation requirement subsea system site specific assessment spudcan operation production mode inspection modification drilling assessment fatigue assessment rig upstream oil & gas fatigue damage design factor OL o G C T T re o re A T S a a T u C c o p...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17735-MS
... by the diagonal wave approach. Broadside waves produced substantially lower loads, and hence lower adequacy checks, in not only the tower framing members and joints but also the flex and foundation piles. In addition to checking for strength adequacy, a full dynamic life cycle fatigue assessment and design...

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