Dent Strain and Stress Analyses and Implications for API-RP 1183; Part IIIA: Dent Fatigue Analysis Concepts and Data
Available online 14 May 2026
API Recommended Practice (RP) 1183 considers three levels of assessment. Its processes up through Level 2, which were considered viable for single peak dents with smooth profiles, are the focus of Part...
Estimation of frictional resistance in steel curved pipe jacking on Pasternak foundation considering pipe-soil interaction
Available online 12 May 2026
Curved pipe jacking is a satisfying technique for laying the buried pipeline in trenchless crossing scenarios. Estimation of frictional resistance in curved pipe jacking exhibits a more complex pipe-soil...
State-of-the-art Machine Learning Advances in Reliability-based Design, Integrity Assessment, Inspection and Maintenance of Pipelines: A Systematic Review
Available online 9 May 2026
Machine learning (ML) has increasingly been adopted in pipeline engineering, extending traditional physics-based, statistical, and empirical diagnostics toward data-driven frameworks. This review systematically...
Parametric Study of Burst Strength for Hydrogen Blended Natural Gas Pipelines with Long Corrosion Defects
Available online 7 May 2026
Transporting hydrogen through existing natural gas pipelines poses significant challenges due to hydrogen embrittlement (HE), which can compromise the structural integrity of pipelines. This study evaluates...
Enabling Pipeline Damage Detection and Structural Health Monitoring: A Residual Network–Based Ultrasonic Guided Wave Approach
Available online 5 May 2026
Transforming sensory data into actionable information for timely structural health monitoring (SHM) is essential for the integrity management of pipeline assets. This study develops an automated framework...
Environmental Impact Analysis of Gas Leak Dispersion Based on Semantic Segmentation and Image Statistical Features
Available online 5 May 2026
•An image-based framework is developed to analyse methane leakage dispersion under varying environmental conditions using infrared thermography.•Thirty-four quantitative morphological and texture features...
Numerical Investigation of Ratcheting Strain in Mechanically Lined Pipes with Corrosion Defects Under Cyclic Loading
Available online 2 May 2026
•A 3D FE framework for ratcheting in mechanically lined pipes•Interfacial friction shows negligible effect on ratcheting strain•Corrosion defects strongly amplify localized ratcheting•Liner defects...
Research on the Risk Propagation Mechanism of Data-Driven Urban Gas Pipeline Network Leakage Accidents: Multi-Layer Hierarchical Interaction and Heterogeneous Propagation Characteristics
Available online 1 May 2026
As a critical infrastructure for urban energy supply, gas pipeline networks operate in complex and variable environments, being influenced by a multitude of intertwined factors. Consequently, accidents...
Predicting Strain Concentration Factor in Concrete-Coated Pipes Using a Surrogate Model and Machine Learning
Available online 30 April 2026
Concrete-coated pipelines are vital in subsea applications, offering stability against hydrodynamic forces and environmental stresses. Stiffness mismatches between the concrete coated section and the...
Prediction of Internal Corrosion in Oil and Gas Piping Systems—An Independent Analysis Using Machine Learning
Available online 29 April 2026
This work presents machine learning (ML) algorithm development and testing for internal corrosion rate prediction in oil and gas (O&G) piping systems. The ML models were trained using TWI’s dataset...
Progress in the flocculation and sedimentation mechanisms and jet mixing transportation of heavy components in crude oil storage tanks
Available online 28 April 2026
With the advancement of the “dual carbon” policy, crude oil storage tanks are increasingly adopting nonheated storage methods, which intensifies the flocculation and sedimentation of heavy components...
Dual Wet-Dry Gas Pipeline Networks Model and Optimization Method for Oilfield Gathering Systems
Available online 27 April 2026
•Station mass balance coupling framework for dual wet–dry gas networks.•Unified framework integrating mass balance, pressure safety, and binary gas-consumption decisions.•B-JADE with adaptive sigmoid...
Interpretable Viscosity Prediction of Waxy Crude Oils via Physics-guided Machine Learning
Available online 23 April 2026
•Physics-guided explainable ML framework for robust viscosity modeling.•XGBoost predicts viscosity using four parameters under dynamic conditions.•Interpretability reveals key factors and interactions...
Modeling Hydrate Particle Evolution and Bed Formation Using a Critical Suspension–PBM Coupled Framework in Stratified Multiphase Flows
Available online 23 April 2026
•Proposed bedded hydrate flow modelling method based on critical suspended particle size;•A multi-phase mixed-transport hydrate deposition model coupling generation, aggregation and deposition processes...
Combined treatment with D-amino acids and glutaraldehyde to control microbiologically influenced corrosion in pipeline joints
Available online 22 April 2026
•D. vulgaris corrosion of the pipeline joint is regionally selective.•D-amino acids slightly decrease the selectivity of D. vulgaris corrosion.•Glutaraldehyde inhibits the localized corrosion of the...
Effects of Corrosion Product Films on Hydrogen Embrittlement of X80 Steel
Available online 20 April 2026
•Corrosion product films (FeCO3, Fe2O3, FeS) hinder hydrogen permeation into X80 steel.•Hydrogen barrier effectiveness increases in the order: FeCO3 < Fe2O3 < FeS.•FeS-covered steel reduce hydrogen...
Finite Element Modeling Approaches for Predicting Strain Demand in Buried Pipelines Subjected to Landslides
Available online 20 April 2026
This study investigates how pipeline element type and pipe-soil interaction modeling affect longitudinal strain predictions for inelastic steel pipelines subjected to symmetric lateral landslide-induced...
Upheaval buckling of seabed buried pipelines with different types of nonlinear soil-pipeline interaction model
Available online 19 April 2026
•A finite element model is developed to simulate the upheaval buckling of buried submarine pipelines, accounting for diverse nonlinear soil-pipeline interaction models.•The effects of soil resistance...
Quantifying Environmental and Societal Risks in Aging Natural Gas Pipelines: A Dynamic Bayesian Framework for Impact Assessment and Resilience Planning
Available online 19 April 2026
Natural gas pipeline failures pose escalating threats to environmental integrity and community safety, particularly through soil contamination, toxic dispersions, and combustion explosions. This study...
Optimization of shale gas pipeline design parameters for multi period expansion considering dynamic operational conditions
Available online 17 April 2026
•Parameter Optimization Design for Shale Gas Pipeline Network Expansion.•Three Mixed-Integer Nonlinear Optimization Models.•A Hybrid Genetic Algorithm with Sequential Quadratic Programming (HGA-SQP)...
Multi-Strategy Coordinated Optimization of Large-Scale Crude Oil Gathering and Transportation Systems under Dynamic Conditions
Available online 15 April 2026
To resolve the acute trade-off between energy-intensive heating for flow assurance and wax deposition risks in high-water-cut heavy oil gathering, this study proposes a synergistic optimization framework...
Study on the Influence of Liquid-Nitrogen Cavitation Characteristics in Venturi Tube
Available online 15 April 2026
An improved Zwart-Gerber-Belamri model coupled with a k-ε turbulence closure was employed to simulate cryogenic cavitating flows in a Venturi tube. The influences of cavitation number, pressure ratio...
Full-scale physical modeling of buried pipelines subjected to rockfall impacts
Available online 15 April 2026
The failure of buried oil and gas pipelines in mountainous regions is often caused by rockfall impacts. While many studies have employed numerical simulations to investigate the interaction between...
A novel mechanistic model of low liquid loading gas-liquid stratified flow in horizontal pipes considering the effect of interfacial waves
Available online 13 April 2026
Low liquid loading gas-liquid stratified flow appears most frequently in wet gas gathering and transportation pipelines. This study devised a novel mechanistic model of low liquid loading gas-liquid...
