Investigating the Effects of Defects and the Effect of Geometric Anisotropy in Stainless Steel Pipes: Phased Array Ultrasonic Test, SH-wave
December 2023
Today, Phased Array Ultrasonic Testing (PAUT) is a suitable method for detecting defects in Non-destructive Testing (NDT). This simulation was done with a new method on a stainless steel pipe with a...
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Development of safe operation technology of crude oil pipeline in permafrost regions
Available online 28 November 2023
China Mohe‒Daqing Pipeline is the world first large diameter and positive temperature buried pipeline that crosses the unstable and discontinuous permafrost regions. The permafrost along the pipeline...
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A Systematic Literature Review on Permanent Ground Deformation Patterns Imposed on Buried Steel Pipelines
Available online 11 November 2023
Overtime, continuous research efforts have been devoted to investigating the effects of permanent ground deformation (PGD) on buried pipelines. These efforts have faced major uncertainties in the ground...
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A methodology to determine the target reliability of natural gas pipeline systems based on risk acceptance criteria of pipelines
Available online 6 October 2023
The reliable operation of the natural gas pipeline system is directly related to natural gas supply security, and it is vital to determine the target reliability of the natural gas pipeline system when...
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A numerical study of the slurry erosion in 90° horizontal elbows
Available online 4 October 2023
The slurry erosion processes of horizontal elbows are investigated numerically using a Eulerian-Lagrangian method coupled with particle rebound and erosion model. First, a mechanical model for the internal...
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A techno-economic study of the strategy for hydrogen transport by pipelines in Canada
September 2023
•Analyzed the various hydrogen transportation methods.•Suggested the optimal option for hydrogen transport in Canada.•Discussed the technical challenges when repurposing existing pipeline for hydrogen...
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Single well virtual metering research and application based on hybrid modeling of machine learning and mechanism model
September 2023
As a supplement or alternative metering method for physical metering devices, Virtual Flow Metering (VFM) is more and more widely used in the upstream metering scenario of oil and gas fields. To enhance...
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Beam-on-spring modeling of buried MDPE pipes in sand subjected to lateral loads at a pipe junction
September 2023
Buried pipelines in landslide areas may experience excessive stresses or strains that depend on a complex soil-pipe interaction. The simplified beam-on-spring analysis is recommended in current pipe...
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Liquid pipeline network modeling with performance parameters sensitivity analysis due to its techno-commercial variables
September 2023
After analyzing existing pipeline-network design solutions in literature, the authors have developed a novel framework model that considers important technical, financial, and environmental factors...
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Application and prospects of multi-phase pipeline simulation technology in empowering the intelligent oil and gas fields
September 2023
This paper reviews the application of multiphase flow simulation technology for constructing intelligent oil and gas fields. By utilizing the theoretical multiphase flow simulation model and solution...
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Dent strain and stress analyses and implications concerning API RP 1183 - Part I: Background for dent geometry and strain analyses during contact and re-rounding
September 2023
API RP 1183 was developed through industry collaboration to manage the threat posed by dents. It provides screening and more detailed techniques designed to manage single peak smooth dents. For more...
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Computational Fluid Dynamics driven mass transfer model for the prediction of CO2 corrosion in pipelines
Available online 22 September 2023
A novel, Computational fluid dynamics (CFD) - driven modelling methodology for predicting carbon dioxide (CO2) corrosion rates in pipelines is presented. CFD is used to provide accurate predictions...
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A machine learning regression approach for predicting uplift capacity of buried pipelines in anisotropic clays
Available online 9 September 2023
The uplift capacity of pipeline systems in geotechnical engineering is influenced by internal loading and external factors, making it a significant consideration in pipeline design problems. Previous...
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Data-driven Model to Predict Burst Pressure in the Presence of Interacting Corrosion Pits
Available online 19 August 2023
This paper presents a data-driven approach to predict the pipelines' corrosion-induced Burst failure. In this approach, different aspects of pit growth progression and spatial distribution of pits are...
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Estimation of Deposit Thickness in Single-Phase Liquid Flow Pipeline using Finite Volume Modelling
Available online 29 July 2023
A significant problem with liquid pipelines can be the internal deposition of wax, sediments, tuberculation and biofilms which results in decreased flow assurance of the pipelines and higher pumping...
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Evaluation and optimization of pipeline pricing strategies on oil product logistics in China
Available online 24 July 2023
•A framework is designed to assess the impact of pricing strategies on oil logistics.•The tactical logistics model is upgraded considering specific pricing strategies.•Five pipeline pricing strategies...
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A study of CO2 two-phase flow in a near horizontal pipe
June 2023
In this article, the observations from two different experimental studies on CO2 two-phase flow regimes in a near horizontal pipe are analysed. These experiments show significant bubble entrainment...
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Effects of La3+ on the hydrogen permeation and evolution kinetics in X70 pipeline steel
June 2023
The inhibitory effect of La3+ on the hydrogen permeation of X70 pipeline steel was investigated via steady-state hydrogen permeation current (i∞) through electrochemical hydrogen permeation tests. The...
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Surface pipeline leak detection using realtime sensor data analysis
June 2023
The most common type of Leak Detection System (LDS) is designed to detect leaks that generate a sufficient pressure variation which can be detected at either the inlet or the outlet sensors. However,...
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Investigation on utilizing pulse CP in a city gas station: A comparison with conventional CP
June 2023
In this study, a pulse Cathodic Protection (CP) rectifier was designed and made. The performance of the pulse rectifier was monitored and compared with a conventional system. In this regard, different...
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Thermophysical properties of the corrugated cryogenic hose precooling process
June 2023
This paper presents research on the thermophysical properties of an LNG-conveying corrugated cryogenic hose during the precooling process. A numerical model consisting of the k−ϵ turbulent model with...
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Structural response of the spiral-welded pipelines buried in different uniform soil types to the strike-slip fault
Available online 25 June 2023
Buried steel pipelines, which are widely used in, often face the threat of permanent ground deformations (PGD) caused by fault crossings. The structural response of the pipeline can be influenced by...
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EFFECTS OF TEMPERATURE ON FATIGUE CRACK GROWTH RATES OF A LOW-CARBON PIPE STEEL IN THE DUCTILE AND DUCTILE-TO-BRITTLE TRANSITION REGIONS
Available online 15 June 2023
This study investigated the impact of temperature on fatigue crack growth rates (FCGR) of low-carbon pipe steel in both the ductile and ductile-to-brittle transition regions. Results showed that the...
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Blending hydrogen in existing natural gas pipelines: integrity consequences from a fitness for service perspective
Available online 14 June 2023
Blending hydrogen in existing natural gas pipelines compromises steel integrity because it increases fatigue crack growth, promotes subcritical cracking and decreases fracture toughness. In this regard,...
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Oil pipeline leakage monitoring developments in China
Available online 18 May 2023
Pipeline is the most economical and efficient way of oil transportation, pipeline integrity management is an effective means to prevent pipeline accidents and ensure the safe operation of pipelines...
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