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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Development of a sectionalizing method for simulation of large-scale complicated natural gas pipeline networks
December 2024
•A sectionalizing method is developed for large-scale natural gas pipeline networks.•The key is to minimize the residuals of conservations at the connected nodes.•This method demonstrates a close match...
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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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Advances in intelligent identification of fiber-optic vibration signals in oil and gas pipelines
December 2024
Based on the principles and characteristics of distributed fiber optic monitoring technology, this paper introduces the current research progress in identifying fiber optic vibration signals in oil...
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Benzylamine as Volatile Corrosion Inhibitor for Top-of-the-Line Corrosion in Water-Hydrocarbon Co-Condensation Environment
Available online 23 December 2024
Volatile corrosion inhibitor (VCI) injection is a promising method employed to mitigate top-of-the-line corrosion (TLC) in wet gas pipelines. Amine is the most common type of VCI employed for TLC mitigation,...
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Enhancing pipeline system resilience: a reliability-centric approach
Available online 22 December 2024
Pipelines are the most widely used system for transporting liquid and gaseous energy materials, but throughout their lifespan, they are exposed to various detrimental factors, such as corrosion and...
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A New Model for Predicting Characteristics of the Near-Field Leakage in High-pressure CO2 Pipelines
Available online 22 December 2024
The safe transportation of carbon dioxide (CO₂) is crucial to the successful implementation of Carbon Capture, Utilization, and Storage (CCUS) projects. Accidental leaks in pipelines can pose significant...
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Research on multi-objective optimal route selection method for natural gas transmission pipeline
Available online 19 December 2024
By the end of 2022, the nation's natural gas pipeline network had reached 12.0 million kilometers, with projections suggesting an expansion to approximately 163,000 kilometers by 2025. This rapid growth,...
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CRA Clad Pipes: Do Their Benefits Justify Sole Selection?
Available online 13 December 2024
This article presents a case study of a gas leak at a girth weld on a subsea spool. The leak occurred 14 days after the pipeline's start-up. The pipeline in question was a 36-inch CRA clad pipeline,...
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A review of computer vision applications for asset inspection in the oil and gas Industry
Available online 10 December 2024
This review explores the current application of computer vision (CV) technologies in the inspection of pipelines within the oil and gas industry, highlighting the methodologies, challenges, and advancements...
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Reliability Analysis of Slow Crack Growth in HDPE Pipes: Impact of Buried Pipeline Design and Soil Characteristics
Available online 3 December 2024
This study delves into one of the most common fracture mechanisms in polyethylene pipes and the primary cause of their long-term failure, the slow crack growth (SCG) phenomenon. This failure mode in...
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A Multi-level Classification Model for Corrosion defects in Oil and Gas Pipelines Using Meta-Learner Ensemble (MLE) Techniques
Available online 2 December 2024
The manuscript has potential highlights as addressed below:•A stacking ensemble method was developed to improve the prediction corrosion defect level using multiple classifiers and a logistic regression...
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Experimental Study on Overpressure and Flame Characteristics of Hydrogen-methane mixture
Available online 1 December 2024
In order to evaluate the consequences of hydrogen-methane mixture explosion accidents in open space and confined space, large-scale (8m3) open space and confined space (55m3) hydrogen-methane mixture...
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A burst capacity model for pipelines containing pinhole-in-corrosion defects
Available online 28 November 2024
This study develops a practical burst capacity model for oil and gas pipelines containing pinhole-in-corrosion (PIC) defects based on results of extensive parametric three-dimensional finite element...
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Enhanced Speed Control of Pipeline Pigs with Adjustable Bypass Using Quantitative Feedback Theory and Cascade PID Algorithm
Available online 28 October 2024
During pipeline pigging operations, precise control of the pig's running speed is crucial. However, external speed disturbances often occur during these operations. In response to this challenge, adjustments...
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Extended Design Philosophy of Hydrogen Transport Pipelines
Available online 19 October 2024
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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FELA Evaluation of Uplift, Lateral and Inclined Capacity of Buried Pipeline in Layered Clays
Available online 10 October 2024
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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Machine learning application in batch scheduling for multi-product pipelines: A review
September 2024
Batch scheduling is a crucial part of pipeline enterprise operation management, especially in the context of market-oriented operation. It involves 3 main tasks: quickly preparing batch plans, accurately...
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Strain concentration factor at field joints for offshore concrete coated pipelines – Literature review
September 2024
This paper introduces a literature review of the accomplished research to calculate the strain concentration factor which shall be considered during the concrete coated subsea pipelines design. The...
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A novel method for accurate pressure drop prediction in horizontal and near horizontal pipes using adaptive neuro fuzzy inference system based model
September 2024
Effective flow line and piping network design depends on the accurate prediction of pressure drop in multiphase flow for horizontal and near horizontal pipes. Since early 1950, several empirical correlations...
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