Journal ArticleDOI
Dynamic behavior of a deepwater hard suspension riser under emergency evacuation conditions
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TLDR
In this article, a model for the dynamic behavior of a deepwater drilling platform riser system under emergency evacuation conditions is developed, and the model is discretized in a finite element approach and solved using Newmark's method.About:
This article is published in Ocean Engineering.The article was published on 2018-02-15. It has received 40 citations till now. The article focuses on the topics: Drilling riser & Morison equation.read more
Citations
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Journal ArticleDOI
Dynamic mechanical behavior analysis of deep water drilling riser under hard hang-off evacuation conditions
TL;DR: A dynamic analysis model for a drilling riser under hard hang-off conditions was established, and the model was solved by finite element method in combination with the Newmark β method and verified by comparing the results with similar researches.
Journal ArticleDOI
Bi-nonlinear vibration model of tubing string in oil & gas well and its experimental verification
TL;DR: Based on the contact/impact theory of elastic/plastic body, the nonlinear contact-impact model of tubing-casing is established and introduced into the single nonlinear vibration model to form a bi-non linear vibration model for tubing string in oil & gas well as mentioned in this paper.
Journal ArticleDOI
Friction-wear failure mechanism of tubing strings used in high-pressure, high-temperature and high-yield gas wells
Xiaoqiang Guo,Xiaoqiang Guo,Jun Liu,Liming Dai,Qingyou Liu,Dake Fang,Anchao Wei,Jianxun Wang +7 more
TL;DR: In this article, a flow-induced nonlinear vibrations (FINV) model of tubing string using micro-finite element and energy methods along with the Hamilton variational principle was established to address the wear failure of tubing strings caused by FINV in high-pressure, high-temperature, and high-yield (3H) gas wells.
Journal ArticleDOI
Dynamical mechanics behavior and safety analysis of deep water riser considering the normal drilling condition and hang-off condition
TL;DR: In this article, a dynamic analysis model for the drilling riser was established and applied under normal drilling and hang-off conditions by distinguishing the boundary condition, and the model was discretized by the FEM and solved by Newmark β method.
Journal ArticleDOI
Nonlinear Dynamic Characteristic Analysis of a Landing String in Deepwater Riserless Drilling
TL;DR: In this article, a dynamic model is developed to investigate the dynamic response characteristics of a landing string, where the landing string in a marine environment is modeled as a flexible slender tube undergoing coupled transverse and axial motions, and a semi-empirical Morison equation is used to simulate the effect of the load imposed by the marine environment.
References
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Journal ArticleDOI
Deep water drilling riser mechanical behavior analysis considering actual riser string configuration
TL;DR: In this article, a dynamic analysis model considering the actual riser string configuration is established to analyze the mechanical behavior of a drilling riser, where the riser in this model is regarded as a simply supported beam located in the vertical plane and is subjected to axial and lateral ocean environment loadings.
Journal ArticleDOI
Numerical modelling on dynamic behaviour of deepwater S-lay pipeline
TL;DR: In this paper, a comprehensive finite element model for S-lay systems within the framework of the commercial computer code OrcaFlex is developed to investigate the dynamic lay effects, including surface waves, ocean currents, pipelay vessel motions, and the clashing contact between the pipeline and stinger rollers.
Journal ArticleDOI
Nonlinear behaviour of steel fixed offshore platform under environmental loads
TL;DR: In this article, a nonlinear response analysis of a fixed offshore platform under wave loadings is presented; the structure is discretised using the finite element method, where the wave-and current forces acting on the structure are computed by using Morison's equation, which decomposes the total force into an inertia component and a drag component.
Journal ArticleDOI
Non-linear coupled transverse and axial vibration of a compliant structure, part 1: formulation and free vibration
Seon Han,Haym Benaroya +1 more
TL;DR: In this article, a compliant tower in the ocean environment is modelled as a beam undergoing coupled transverse and axial motion, and the equations of motion are non-linear and coupled.
Journal ArticleDOI
Reliability of fixed offshore jacket platform against earthquake collapse
TL;DR: In this article, an approach for the reliability assessment of a fixed offshore jacket platform against earthquake collapse is presented, where the platform is modelled using a nonlinear finite-element model taking into account the effect of pile-soil interaction.
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