The Research and Application of Low-Dose Inhibitors for Solid Hydrate Prevention in Multiphase Transportation Pipeline
Available online 25 December 2025
•Systematically compile global LDHI/hybrid hydrate inhibitor industrial-scale cases in complex operational conditions.•Compare THI/KHI/AA/HHI mechanisms, limits, and application scenarios.•Define synergy...
VIP: A visual insulated pipeline dataset for computer vision tasks
Available online 17 December 2025
Although computer vision is being developed across several fields, no well-established dataset currently exists for visual insulated pipeline inspection. The lack of such a dataset negatively affects...
A Review of Research on Leakage and Diffusion Characteristics of Buried Gas Pipelines
Available online 17 December 2025
As natural gas consumption grows and transmission networks expand, leakage from buried pipelines has become a significant threat to public safety, ecosystems, and climate stability. In recent years,...
Pipeline network robustness analysis with complex network theory
Available online 15 December 2025
Oil and gas pipelines constitute the backbone of global energy transportation, serving as critical infrastructure that ensures the continuous supply of energy resources across vast geographical regions....
Natural Gas Supply Infrastructure Capacity and Security Sustainable Planning as Leader-Follower Model
Available online 11 December 2025
•Natural gas supply infrastructure is aging and needs sustainable restructuring•Leader-follower representation of natural gas suppliers is not common•Leader’s profit maximization is a major element...
A bibliometric review of hydrogen storage and transportation safety research
Available online 11 December 2025
Rising concerns over carbon emissions from fossil fuels have fueled interest in renewable energies. Hydrogen, as a clean energy source, stands out for its free of pollution and high calorific value....
Three-Dimensional Soil-Arching Model for Predicting Earth Pressure on Buried Pipelines under Localized Subsidence
Available online 11 December 2025
Localized foundation subsidence can lead to catastrophic failure of adjacent buried pipelines, severely compromising their serviceability. As a common cause of municipal pipeline damage, localized subsidence...
Methanol-Oil Co-transportation System: Strategic Facility Planning for Multiproduct Pipelines to Maximize Benefits
Available online 8 December 2025
Shifts in energy consumption patterns and the adoption of cleaner fuels have left multiproduct pipelines operating below their design capacity. Leveraging these existing multiproduct pipelines for methanol-oil...
Adaptive Pressure Wave for Blockage Localization via Variational Mode Decomposition and Time-Delay Correction
Available online 4 December 2025
Deep-sea oil and gas pipelines are prone to hydrate blockages under high-pressure and low-temperature conditions, posing significant threats to transportation safety and efficiency. Traditional acoustic...
Study of model adaptability and thermophysical property variations for ammonia and its mixtures
Available online 1 December 2025
•Model adaptability of ammonia and its mixtures’ thermal properties was evaluated.•Variations of thermophysical parameters for ammonia and its mixtures were analyzed.•Impurities significantly affect...
Understanding Detection Success of Belowground Natural Gas Leaks in Urban Environments through Controlled Release Experiments
Available online 1 December 2025
•Urban environment significantly reduces natural gas pipeline leak detection success.•Higher leak rates improve the probability of detection by up to 37 pp (percentage points) compared to lower leak...
Pipeline Unidirectional Guided Wave Generation Based on a Hybrid Piezoelectric Transducer Ring and Wave-Packet Modification
Available online 29 November 2025
For pipeline inspection, unidirectional guided waves are needed to concentrate energy in a single propagation direction while suppressing backward-traveling components. Conventional time-delay methods...
Research on LLM-based assessment methods for international standards' intelligent contribution to oil and gas pipelines
Available online 27 November 2025
•Innovation point name•A Method for Evaluating Intelligent Contribution to International Oil and Gas Pipeline Standards Based on Large Language Models•Innovation point content•First, different large...
Prediction of electrical insulation performance for oil and gas pipeline insulating joints based on multi-parameter fusion
Available online 24 November 2025
•First model integrating CP, geometric & environmental parameters for accuracy•XGBoost achieves 98.49% accuracy, surpassing traditional methods•Early detection of minor failures prevents severe corrosion...
A numerical simulation method for CO2 leakage considering non-equilibrium phase transition
Available online 20 November 2025
Carbon dioxide (CO2) exhibits high compressibility and complex phase-transition behavior. In the event of a leakage, CO2 undergoes rapid expansion and intricate phase transitions, resulting in a composite...
Analytical solutions of stress field around lined rock caverns with yieldable concrete lining subject to high internal pressure and non-hydrostatic geo-stress field
Available online 16 November 2025
This study develops an analytical framework for the stress field around Lined Rock Caverns (LRCs) for compressed air energy storage, subjected to high internal pressure and non-hydrostatic geo-stress....
A critical review on corrosion challenges and prospects in supercritical offshore CO2 pipelines
Available online 12 November 2025
CO2 sequestration in deep-sea sediments is one of the most promising methods for reducing anthropogenic CO2, and offshore pipelines are crucial for CO2 transportation in CCUS projects. This work provides...
Integrating Modified Pipe–Soil Interaction and Damage Mechanics to Assess Girth Weld Fracture under Permanent Ground Movement
Available online 11 November 2025
Pipe girth weld (PGW) represent the most vulnerable structural joints in long-distance pipelines and are highly susceptible to fracture under Permanent Ground Movement (PGM). Conventional pipe–soil...
Characterizing Properties of Pipeline Girth Welds: A Novel Testing Protocol and Validation
Available online 3 November 2025
Accurate, region-specific mechanical properties of pipeline girth welded joints are fundamental for structural safety design and integrity assessment. This study focuses on X80 pipeline girth welded...
Effect of Soils Reinforced with PET Waste in Reducing Loads Transferred to Buried Pipeline
Available online 31 October 2025
Buried pipelines need to limit the surface loads transferred on them in order to ensure trouble-free operation throughout their service life. The objective of this study was to evaluate the the efficacy...
Improved guided-wave acoustic defect detection and localization in pipes under varying temperature conditions using deep learning
Available online 30 October 2025
Early defect detection in pipelines is critical across industries, particularly in the oil and gas sector, where failures result in significant maintenance costs and operational disruptions. Acoustic...
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...
