A numerical study on flow and heat transfer characteristics of the LNG storage tank feed pipeline
Available online 28 October 2025
As a low-carbon fuel, liquefied natural gas (LNG) requires strict temperature control during transportation. Direct injection into pipelines at ambient temperature induces significant thermal stress,...
Deep learning-based intelligent path planning system design for subsea pipeline laying
Available online 28 October 2025
Subsea pipeline route planning is one of the core challenges in marine engineering. Traditional methods, which rely on manual expertise and static algorithms, struggle to adapt to complex and dynamic...
A Physics-informed Reinforcement Learning Approach for Multiproduct Pipeline Pump Scheduling Optimization
Available online 28 October 2025
Pipeline transportation is the primary method for transporting multiproducts, necessitating an effective pump scheduling strategy to ensure safe operation and economic advantages. The working conditions...
Modeling of damage-crack evolution for subsea pipelines subject to corrosion-fatigue
Available online 27 October 2025
Subsea pipelines approaching design life demonstrate structural degradation as progressive corrosion and fatigue cracking. This deterioration elevates the potential leak while reducing operation integrity...
Three-Dimensional Imaging Method for Pipeline Based on Magnetic Gradient Detection
Available online 27 October 2025
Accurate detection of buried pipelines is vital for underground resource development and maintenance safety. This paper proposes a 3D imaging method based on magnetic gradient sensing to reduce operational...
Pipeline Transportation Strategy and Key Technological Breakthroughs for High-Quality Development of Hydrogen Energy Industry under the Dual Carbon Goals
Available online 25 October 2025
China’s hydrogen scale-up hinges on resolving midstream bottlenecks that move volumes from resource-rich northern and western basins to demand-dense coastal corridors. A structured synthesis of policy,...
Precise identification of pipeline surface defects utilizing ultrasonic guided wave technology and data-driven algorithmic approaches
Available online 25 October 2025
Long-range ultrasonic guided waves (UGW) represent a critical approach for pipeline defect detection. However, the intricate propagation characteristics of high-frequency UGW signals, combined with...
Assessment of Releases from Hydrogen and Hydrogen-Blended Natural Gas Pipelines: A Review
Available online 20 October 2025
With the global shift towards sustainable energy, hydrogen and hydrogen-blended natural gas (HBNG) pipelines are becoming integral components of low-carbon energy infrastructures. Nevertheless, the...
Research on the Subdivision of Oil Delivery Districts and Adjustment of Oil Depots Locations by the Method of Equidistant Subdivision and Weight Proportion
Available online 17 October 2025
•Path optimization using spherical area improves accuracy over planar methods.•Integrated model cuts petrochemical delivery costs and boosts efficiency.•Algorithm suits energy distribution and multi-level...
A Data-Driven Risk Assessment Framework for Ammonia Pipelines: Insights from 232 Accident Cases (1970–2023)
Available online 17 October 2025
Ammonia pipelines are gaining renewed attention as key enablers of hydrogen energy systems, offering a practical solution to hydrogen transport and storage. However, current safety standards remain...
Data-Driven Leakage Detection in Gas Pipelines through Wavelet Denoising and Variogram-Based Kriging
Available online 11 October 2025
Pipeline leak detection must be both accurate and quick to ensure the operational integrity, safety, and sustainability of fluid transport systems. This work introduces an innovative integrated methodology...
Synergistic Evaluation of Regular and Radial-Fin-Integrated Pipe Performance Using Limit Analysis and Evolutionary Symbolic Modeling
Available online 10 October 2025
Subsea buried pipes in offshore field conditions are most vulnerable to upheaval buckling, a risk that is especially pronounced in soft clay soils where uplift resistance, expressed by the dimensionless...
Buried Oil Pipeline Leak Source Localization Model Based on Ground-Penetrating Radar and Improved Particle Swarm Optimization Algorithm
Available online 10 October 2025
Precise localization of leaks in buried oil pipelines is challenging to achieve and readily leads to severe soil contamination, with accumulated leaked crude oil prone to causing explosion accidents....
Confidence interval estimation of mixed oil length with conditional diffusion models
Available online 3 October 2025
Accurately estimating the mixed oil length plays a big role in the economic benefit for oil pipeline network. While various proposed methods have tried to predict the mixed oil length, none of them...
Research progress on dynamic crack propagation and crack arrest models of supercritical and dense-phase CO2 pipelines
September 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, arrest control...
Benzylamine as volatile corrosion inhibitor for top-of-the-line corrosion in water-hydrocarbon co-condensation environment
September 2025
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,...
Experimental and mechanism study on the synergistic influence of asphaltene and pressure on the flow and rheological characteristics of waxy oil
September 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...
Enhancing pipeline system resilience: a reliability-centric approach
September 2025
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...
Mechanical behavior of pipeline steel after strain aging – Part I: Experiment
September 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...
Calculation for critical gas velocity of liquid accumulation in inclined pipelines: A method based on physics-informed neural network
September 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...
A review of computer vision applications for asset inspection in the oil and gas industry
September 2025
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...
CRA clad pipes: Do their benefits justify sole selection?
September 2025
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 corrosion-resistant...
An algorithm for third-party intrusion action detection in oil and gas pipelines based on fine-grained feature enhancement
September 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...
Reliability analysis of gas pipelines considering spatial and temporal corrosion variability
September 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...
Experimental study on overpressure and flame characteristics of hydrogen-methane mixture
September 2025
In order to evaluate the consequences of hydrogen-methane mixture explosion accidents in open space and confined space, large-scale (8 m3) open space and confined space (55 m3) hydrogen-methane mixture...
