Crushing and Wet Collapse of Flowline Carcasses: A Theoretical-Experimental Approach

Pesce, Celso Pupo; Martins, Clóvis de Arruda; Fujarra, André Luís Condino; Takafuji, Fernanda Cristina de Moraes; Franzini, Guilherme Rosa; Barbosa, Teófilo; Godinho, Carlos Alberto

doi:10.1115/omae2010-20423

Cited by 8 publications

(4 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to the cold work during the carcass manufacturing process, strain hardening may occur, causing a high degree of stress-induced material anisotropy [38], as shown in Figure 6. This cold work makes the material properties varied throughout the formed profile of the carcass strip, complicating the collapse behavior of carcass along with the structural anisotropy.…”

Section: • Geometric Imperfections • Materials Anisotropy (Induced By mentioning

confidence: 99%

Prediction of the critical collapse pressure of ultra-deep water flexible risers-a: Literature review

Xiao¹,

Jiang²,

Hopman³

2018

FME Transaction

View full text Add to dashboard Cite

Flexible riser is a device which transports production fluids between floating vessels and subsea wells. With fewer remaining easy-to-access oil fields nowadays, flexible risers are being required to be installed in a water depth of over 3000m. However, the hydrostatic pressure at such a water depth may cause the collapse of flexible risers, and therefore predicting the critical collapse pressure is of great importance to their design. Riser collapse is a complex phenomenon related to material properties, geometry of the pipe and its overall surface topography and, therefore, makes the prediction of critical pressure challenging. Collapse prediction approaches of flexible risers have been developed for decades, yet a comprehensive review on their predictive capabilities, efficiency and drawbacks is lacking. In this paper, the recent advances on collapse studies of flexible risers are reviewed, which summarizes the methods developed for critical pressure prediction and highlights the related gaps in current research. This review aims to facilitate the current anti-collapse design and be a baseline for future utilization of flexible risers in deeper water expansion.

show abstract

Section: • Geometric Imperfections • Materials Anisotropy (Induced By mentioning

confidence: 99%

Prediction of the critical collapse pressure of ultra-deep water flexible risers-a: Literature review

Xiao¹,

Jiang²,

Hopman³

2018

FME Transaction

View full text Add to dashboard Cite

show abstract

“…A similar equivalence method was also applied to study the mechanical behaviors of a pipe under axial loads (Wang and Chen, 2011;Yue et al, 2012). After an equivalent model is created, further studies on wet collapse (Pesce et al, 2010) or collapse with curvature (Paumier et al, 2009, Clevelario et al, 2010 can easily be conducted either analytically or with the finite element method.…”

Section: Introductionmentioning

confidence: 99%

Buckling collapse study for the carcass layer of flexible pipes using a strain energy equivalence method

Tang

Yan

et al. 2016

Ocean Engineering

View full text Add to dashboard Cite

“…Malcorps and Felix-Henry (2008) demonstrated experimentally that the deformation of a flexible pipe under radial crushing is a gradual process. Pesce et al (2010) obtained the real yield stress of the carcass layer through a 3D numerical model and presented a sensitivity analysis regarding the ovality. The effects of geometric non-linearity and material plasticity were considered in a subsequent numerical analysis (Franzini et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Study on the mechanical characteristics of a fibre reinforced flexible pipe under radial compression loads

Sun

Huang²,

Lu³

et al. 2023

Front. Mater.

View full text Add to dashboard Cite

Fibre reinforced flexible pipes are subjected to radial compression loads caused by the tensioner during pipe laying, which may lead to excessive deformation or even damage of the pipe. In this study, the mechanical characteristics of a glass fibre reinforced unbonded flexible pipe are investigated under radial compression loading. In the theoretical analysis, the hoop reinforcement layer of the pipe is considered equivalent to an orthotropic circular tube. An analytical equation for calculating the radial stiffness of the circular tube per unit length is then derived based on the classical elastic theory of the ring. Radial compression tests are carried out with a universal testing machine and displacement loading within the elastic deformation range is applied to two 500 mm long samples. A 3D numerical model is established to simulate the compression process of the flexible pipe, through which the distribution characteristics of the displacement, strain and stress of the hoop reinforcement layer are also obtained. The load-displacement curves obtained from the tests and numerical model are linearly fitted to calculate the radial stiffness of the pipe. The radial stiffness obtained by the numerical model is very close to that obtained by the analytical method. However, owing to factors such as material defects and initial ovality, the radial stiffness measured experimentally is lower than the analytical result.

show abstract

Crushing and Wet Collapse of Flowline Carcasses: A Theoretical-Experimental Approach

Cited by 8 publications

References 0 publications

Prediction of the critical collapse pressure of ultra-deep water flexible risers-a: Literature review

Prediction of the critical collapse pressure of ultra-deep water flexible risers-a: Literature review

Buckling collapse study for the carcass layer of flexible pipes using a strain energy equivalence method

Study on the mechanical characteristics of a fibre reinforced flexible pipe under radial compression loads

Contact Info

Product

Resources

About