Evaluation and study of PBI reinforced with HDPE on abrasive wear using ANOVA and CODAS approach for protective shell applications
Available online 22 March 2025
Industrial applications often employ HDPE as a bearing material due to its great wear resistance and low friction characteristics. Polybenzimidazole (PBI) reinforced HDPE composites are utilised to...
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A Review of Cavitation Problems of Cryogenic Fluids in Gathering Pipelines
Available online 22 March 2025
As the market share of clean energy such as liquefied natural gas (LNG) and liquid hydrogen gradually increases, cryogenic fluid transportation pipeline system applications are becoming more and more...
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Quantitative Assessment of Pipeline Defects Utilizing a Dual-Stage Deep Learning Framework: Integration of Pretrained YOLO Network and Multi-input Parallel Convolution Architectures on Magnetic Flux Leakage Data
Available online 22 March 2025
As long-distance oil pipelines near the end of their operational tenure, the propensity for leakage due to localized defects markedly increases, necessitating the imperative for systematic inspection...
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Advancements and future outlook of safety monitoring, inspection and assessment technologies for oil and gas pipeline networks
Available online 19 March 2025
The expansion of high-grade steel, large-diameter, and high-pressure pipelines, along with the integration of new energy and unconventional media into oil and gas pipeline networks, poses significant...
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An experimental investigation on the turbulent drag reduction effect of polyacrylamide solution in the loop pipe
Available online 11 February 2025
•The saturation concentration has been found and defined during polymer drag reduction in loop pipe.•A relationship among maximum drag reduction DRmax, Wi, polymer molecular weight and solution concentration...
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Study on the influence of operating parameters on the formation of methane hydrate in rotating packed bed
Available online 7 February 2025
The use of methane hydrate for offshore oilfield associated gas recovery is a very promising way of energy conservation and emission reduction, which is conducive to alleviating global warming. Rotating...
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Active Control of Natural Gas Pipeline System Based on Box-Jenkins Method
Available online 7 February 2025
•Developed a transient model for natural gas pipeline system.•Calibrated the model coefficients using operational data.•Established a state inversion control algorithm and a Linear Quadratic Regulator...
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Experimental analysis of waxy crude oil startup flow in pipelineS
Available online 5 February 2025
This study presents an experimental investigation into the startup flow of waxy crude oils in pipelines. An experimental rig was assembled with two syringe pumps connected to a 56.6-meter-long pipeline...
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Characterization of CTOA for Resistance to Pipeline Ductile Fracture Propagation
Available online 31 January 2025
In the present paper, the crack-tip opening angle (CTOA) data used by Jiao et al. are assessed to show that the CTOA-fracture speed data were in transient regions of different types of drop-weight tear...
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Effect of Phase Change on corrosion behavior of X65 Steel in CO2 transportation pipeline environment
Available online 29 January 2025
Phase change is inevitable in long-distance CO2 transport pipeline. In this study, an in-situ electrochemical noise monitoring device was constructed to study the effect of phase change on corrosion...
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An Algorithm for Third-Party Intrusion Action Detection in Oil and Gas Pipelines Based on Fine-Grained Feature Enhancement
Available online 27 January 2025
The extensive distribution of oil and gas pipeline networks across China results in frequent third-party intrusions in high-consequence areas, significantly increasing the risk of pipeline failures...
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A mechanistic model for flow accelerated corrosion prediction of a 90° carbon steel elbow in CO2 environments
Available online 16 January 2025
A mechanistic model for the prediction of CO2 flow accelerated corrosion (FAC) at a 90° carbon steel elbow is developed. Homogenous chemical reactions, electrochemical reactions at the metal/solution...
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Mechanical behavior of pipeline steel after strain aging. Part I: Experiment
Available online 15 January 2025
•After quenching and tempering Lüders strain is twice than after normalization•True uniform strain and strain hardening exponent proportionally decrease after strain aging•Changes in Lüders strain after...
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Experimental and mechanism study on the synergistic influence of asphaltene and pressure on the flow and rheological characteristics of waxy oil
Available online 14 January 2025
In underground reservoirs and offshore oilfields, the production and transportation of waxy oil inevitably involve pressure and asphaltene environment. However, the effect of asphaltene on the flow...
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Calculation for critical gas velocity of liquid accumulation in inclined pipelines: a method based on physics-informed neural network
Available online 9 January 2025
Liquid accumulation in gas pipelines will reduce transportation efficiency, increase corrosion rates, and induce severe slug flow. Calculation for critical gas velocity vcg of liquid accumulation in...
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Reliability analysis of gas pipelines considering spatial and temporal corrosion variability
Available online 7 January 2025
The accelerating deterioration rate, notably due to corrosion in buried gas pipelines, has prompted the development of a systematic methodology for assessing structural integrity. This study introduces...
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Research progress on dynamic crack propagation and crack arrest models of supercritical and dense-phase CO2 pipelines
Available online 5 January 2025
In the past decade, research on the propagation and arrest of CO2 pipeline fractures has achieved some results. This paper comprehensively reviews and evaluates the full-scale burst test, theoretical...
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Lightweight visible damage detection algorithm for embedded systems applied to pipeline automation equipment
Available online 3 January 2025
This research is designed for low-power, cost-effective and high-performance pipeline defect inspection in embedded systems. The backbone of the algorithm, CSPHet, employs efficient combinatorial convolution...
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Corrosion protection characteristics of doped magnetite layers on carbon steel surfaces in aqueous CO2 environments
December 2024
Magnetite (Fe3O4) corrosion product surface layers can limit uniform corrosion rates of carbon steel in aqueous carbon dioxide (CO2)-saturated environments. However, as Fe3O4 is a semiconductor, localised...
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The impact of spatial layout on safety risks of urban natural gas pipelines
December 2024
•This article investigates the influence of spatial layout on the safety risks associated with urban natural gas pipelines.•Barriers can impede the propagation of explosion overpressure, mitigating...
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Uniform and local degradation of epoxy-based powder coatings: Salt transport and accelerated exposure analysis
December 2024
The barrier performance of epoxy-based powder coatings for pipelines was evaluated through salt transport measurements through free-standing coating films and via cyclic testing of coated steel panels....
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A numerical study on hydrogen blending in natural gas pipeline by a T-Pipe
December 2024
In order to study the flow blending and transporting process of hydrogen that injects into the natural gas pipelines, a three-dimensional T-pipe blending model is established and the flow characteristics...
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A decision-making framework for scheduling of multiproduct pipeline under the fair opening
December 2024
To promote the fair opening of pipeline facilities and improve the utilization efficiency of infrastructure, Chinese government has implemented the pipe network reform by learning from the successful...
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