Pipeline failures in corrosive environments–A conceptual analysis of trends and effects

CI Ossai, B Boswell, IJ Davies - Engineering Failure Analysis, 2015 - Elsevier
Pipeline corrosion is a major challenge facing many oil and gas industries today because of
the enormous downtime associated with corrosion related failures. Fatigue stress initiation in …

Reliability assessment of buried pipelines based on different corrosion rate models

A Valor, F Caleyo, JM Hallen, JC Velázquez - Corrosion Science, 2013 - Elsevier
Different corrosion rate (CR) distributions have been derived from various corrosion growth
models and used to perform reliability analyses of underground pipelines. The CR …

Influence of aging steel on pipeline burst pressure prediction and its impact on failure probability estimation

NE González-Arévalo, JC Velázquez… - Engineering Failure …, 2021 - Elsevier
Pipelines are the most profitable mode of transportation for hydrocarbons. Typically, oil and
gas pipelines are made of low carbon steel, whose mechanical properties change due to …

Markov chain modelling for time evolution of internal pitting corrosion distribution of oil and gas pipelines

CI Ossai, B Boswell, I Davies - Engineering failure analysis, 2016 - Elsevier
A continuous time non-homogenous linear growth pure birth Markov model was used to
predict the future pit depth distribution of internally corroded oil and gas pipelines. A …

Failure pressure estimations for pipes with combined corrosion defects on the external surface: A comparative study

G Terán, S Capula-Colindres, JC Velázquez… - International Journal of …, 2017 - Elsevier
In this research paper, the failure pressure predictions were obtained for a pipeline section
by analyzing a combined corrosion defects, which joins together a general corrosion and a …

Data-driven predictive corrosion failure model for maintenance planning of process systems

R Yarveisy, F Khan, R Abbassi - Computers & Chemical Engineering, 2022 - Elsevier
Extreme value analysis (EVA) is occasionally used to predict corrosion progress. This paper
adopts EVA to predict the depth of extreme pits to prioritize inspection and maintenance. It …

Kinetics of the boride layers obtained on AISI 1018 steel by considering the amount of matter involved

PA Ruiz-Trabolsi, JC Velázquez, C Orozco-Álvarez… - Coatings, 2021 - mdpi.com
Boride layers are typically used to combat the wear and corrosion of metals. For this reason,
to improve our knowledge of the boriding process, this research studied the effect of the size …

Estimation of internal pit depth growth and reliability of aged oil and gas pipelines—A Monte Carlo simulation approach

CI Ossai, B Boswell, IJ Davies - Corrosion, 2015 - meridian.allenpress.com
To estimate the internal pit depth growth and reliability of aged oil and gas pipelines, a
Monte Carlo simulation approach was adopted. The average maximum pit depths of …

On the influence of the corrosion defect size in the welding bead, heat-affected zone, and base metal in pipeline failure pressure estimation: a finite element analysis …

G Terán, S Capula-Colindres… - Journal of …, 2019 - asmedigitalcollection.asme.org
In this study, failure pressure prediction was conducted in a pipeline with localized corrosion
in base metal (BM), heat-affected zone (HAZ), and welding bead (WB) by finite element (FE) …

Generation of tool-life-prolonging and chatter-free efficient toolpath for five-axis milling of freeform surfaces

J Wang, M Luo, K Xu, K Tang - Journal of …, 2019 - asmedigitalcollection.asme.org
Short tool service life is always a major concern when milling hard materials, such as Ni-
based superalloy. In the current research of tool life optimization in multi-axis machining of …