Comparison of corrosion behaviour of low-alloy pipeline steel exposed to H2S/CO2-saturated brine and vapour-saturated H2S/CO2 environments

Z Liu, X Gao, L Du, J Li, P Li, C Yu, RDK Misra… - Electrochimica …, 2017 - Elsevier
This work used immersion experiments to elucidate the corrosion behaviour of low-alloy
pipeline steel in vapour-saturated H 2 S/CO 2 environment and H 2 S/CO 2-saturated brine …

Research on high quality mesh method of armored umbilical cable for deep sea equipment

K Xie, Y Jin, Y Peng, G Liu, B Wan - Ocean Engineering, 2021 - Elsevier
Most of the references are automatic mesh generation, but the accuracy of armored
umbilical cable (AUC) analysis is not high enough. There is no detailed introduction about …

Impact of damaged external polymeric layer on axial compressive response of flexible pipes

ER Malta, H Shiri, C de Arruda Martins - Applied Ocean Research, 2022 - Elsevier
A fully three-dimensional finite element model was developed in order to study the axial
compressive response of flexible pipes. The model is parameterized and features five …

Finite element analysis of flexible pipes under compression: A study on the damaged high strength tape and its effects on tensile armor instability

ER Malta, H Shiri, C de Arruda Martins - Ocean Engineering, 2022 - Elsevier
To study the compressive behavior of flexible pipes and tensile armor instability, a nonlinear
Finite Element model was developed. This fully tridimensional model recreates a five layer …

A finite element methodology for birdcaging analysis of flexible pipes with damaged outer layers

X Li, MA Vaz, AB Custódio - Marine Structures, 2023 - Elsevier
Flexible pipes are commonly exposed to damages on the outer layers due to abrasion with
seafloor or improper installation and operation, which may render them vulnerable to …

Mechanical analysis of un-bonded flexible pipe tensile armor under combined loads

L Tang, W He, X Zhu, Y Zhou - … Journal of Pressure Vessels and Piping, 2019 - Elsevier
Marine un-bonded flexible pipes wrapped with fiber-reinforced polymer are essential in
offshore oil and gas exploration because of their high flexibility and reliability. These flexible …

A modal finite element approach to predict the lateral buckling failure of the tensile armors in flexible pipes

GM Gonzalez, JRM de Sousa, LVS Sagrilo - Marine Structures, 2019 - Elsevier
This paper proposes a finite element (FE) modal approach to determine the critical loads
and buckling mode shapes associated with the lateral buckling of the tensile armors in …

Analytical prediction for lateral buckling of tensile wires in flexible pipes

X Li, MA Vaz, AB Custódio - Marine Structures, 2018 - Elsevier
The development of oil and gas fields in deepwater challenges the design of flexible pipes
due to high pressures, temperatures and dynamic loads. Amongst the known failure modes …

Finite element study on circular armour wire lateral buckling in umbilicals

X Li, MA Vaz - Marine Structures, 2021 - Elsevier
The present paper addresses the circular armour wire lateral buckling in umbilicals. An
asymmetric non-linear finite element model is developed to analyze a single armour wire …

Finite element analysis of birdcage buckling of umbilical cable with damaged sheath

S Chen, Y Deng, X Liang - Ocean Engineering, 2024 - Elsevier
Umbilical cables are integral components of subsea production systems. In this study, the
buckling failure of umbilical cable with damaged sheath under bending and compression …