Quantification of methane emissions from typical natural gas stations using on-site measurement technology
June 2025
•Fugitive methane emission measurements at typical stations of the natural gas pipeline network using a hydrogen flame ionization detector and a high-flow methane tester.•There is a statistically significant...
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Experimental study on the leakage identification for the buried gas pipeline via vibration signals
June 2025
It is difficult to detect and locate small leakages, especially for buried pipelines. Therefore, a non-intrusive leakage identification method for buried gas pipelines is proposed in this study. Accelerometers...
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Experimental and numerical investigation on hyperelastic sealing disc contact behavior in pipeline, a comparison between fluid-driven and pull-through approaches
June 2025
Pipelines are widely recognized as the safest and most efficient means of fluid transportation. Pipeline pigging, a secure and reliable technique, is employed for both cleaning and sealing pipelines...
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Supercritical/dense-phase CO2 pipeline leakage diffusion experiment and hazard distance prediction method
June 2025
The study of the diffusion characteristics of CO2 leakage in pipelines and the determination of the hazardous distance resulting from such leakage under various working conditions are crucial for identifying...
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Study on scour stripping of oil-wax gels in pipes
March 2025
In this study, soft gel stripping experiments were conducted under different temperatures and flow velocity conditions by a flow loop. The flow area of pipes increased with an increase in flow velocity....
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Natural gas consumption forecasting using a novel two-stage model based on improved sparrow search algorithm
March 2025
The foundation of natural gas intelligent scheduling is the accurate prediction of natural gas consumption (NGC). However, its volatility, brings difficulties and challenges in accurately predicting...
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Experimental study of the full-scale burst failure behavior of carbon dioxide steel pipeline
March 2025
Carbon Capture, Utilization and Storage (CCUS) is an important strategic reserve technology to reduce CO2 emissions. Accelerating the application and development of CCUS technology is a realistic need...
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Data-driven multi-fault detection in pipelines utilizing frequency response function and artificial neural networks
March 2025
This research presents a data-driven structural health monitoring (SHM) approach for pipeline systems that leverages frequency response function (FRF) signals and artificial neural network (ANN) algorithms...
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Mechanical properties of the liner for strengthening steel pipe under the action of normal fault
March 2025
•A model of steel pipe repaired by liner under the action of fault is established.•The FE model is evaluated by test results.•The effect of each variable is studied.•The failure of the pipeline is ...
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A novel approach integrating the method of characteristics with large time-step scheme (MOC-LTS) for efficient transient flow simulation in liquid pipelines
March 2025
Water hammer incidents pose a significant risk to the safety and stability of pipeline operations. Therefore, rapid and precise transient flow simulation is essential for efficiently developing scientific...
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FELA Evaluation of uplift, lateral and inclined capacity of buried pipeline in layered clays
March 2025
The offshore buried pipelines are prone to upheaval and lateral buckling due to the high temperature and pressure of the materials being transported. The pipeline placed on marine soil or buried in...
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Extended design philosophy of hydrogen transport pipelines
March 2025
This paper examines some specific design issues associated with hydrogen transportation via pipelines based on recent field development study of high-throughput hydrogen pipelines. A mechanical design...
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Crack assessment in spiral-welded pipelines repaired by composite patch: A SMART and failure assessment diagram approach
March 2025
This study presents a methodology for assessing cracks in spiral-welded pipelines (SWPs) repaired with composite sleeves, utilizing the Separating Morphing and Adaptive Remeshing Technique (SMART) for...
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Inhibition and co-condensation behaviour of 2-mercaptoethanol in top-of-line CO2 corrosion environments
March 2025
Top of line corrosion (TLC) is a significant problem in oil and gas transportation pipelines, leading to both economic and production loss. Conventional organic corrosion inhibitors typically fail to...
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A hybrid intelligent time-series framework for predicting short-term LNG sendout rate
Available online 26 March 2025
Accurate forecasting of the liquefied natural gas (LNG) sendout rate is essential for stabilizing downstream natural gas supply and shaving emergency peak effectively. However, the volatility of LNG...
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Evaluating the Impact of Integrating Fourth Industrial Revolution (4IR) Technologies into Maintenance of Pressure Vessels and Pipelines in the Petrochemical Industry
Available online 26 March 2025
This study evaluates the impact of integrating 4IR technologies into maintenance management for pressure vessels and pipelines in the petrochemical industry. Using a Fuzzy TOPSIS-CRITIC multi-criteria...
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Sensitivity to hydrogen induced cracking, and corrosion performance of an X65MS pipeline steel in H2S containing environment
Available online 24 March 2025
This study investigates the microstructure and hydrogen sulfide (H2S) corrosion resistance of X65MS acid-resistant pipeline steel, focusing on its susceptibility to hydrogen-induced cracking (HIC) and...
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Modeling and simulation analysis of bi-directional PIG based on the pseudo-rigid body model
Available online 24 March 2025
Pipeline inspection gauge (PIG) is essential to ensure the safe transportation of oil and gas pipelines. The sealing disc is an essential part of the bi-directional PIG. In a natural gas transmission...
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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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