Sensitivity to hydrogen induced cracking, and corrosion performance of an X65MS pipeline steel in H2S containing environment
January 2026
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...
Thermal and residual stress distributions in butt fusion joints of HDPE pipes: FE simulation and experimental validation
January 2026
Butt fusion welding is widely applied for connecting high density polyethylene (HDPE) pipes but may generate residual stresses in the welded joints, interfering the bearing capacity and the service...
A critical and bibliometric review of life cycle cost analysis integration into decision support systems for pipeline asset integrity management
January 2026
•Maintaining pipeline integrity is essential for safety, environmental protection, and energy security.•Traditional pipeline management is reactive, leading to high costs, safety risks, and inefficiencies.•Life...
Natural gas demand prediction: comprehensive overview of the current situation and future development direction
January 2026
Natural gas demand (NGD) forecasting can accurately estimate the gas demand, and help to plan the gas source configuration, pipeline network transportation and gas storage arrangements in advance, so...
Study on the influence of operating parameters on the formation of methane hydrate in rotating packed bed
January 2026
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...
Investigation of cavitation damage patterns in centrifugal pump blades under rotating flow fields
January 2026
To investigate the damage caused by the collapse of cavitation bubbles on the centrifugal pumps impeller wall and to explore the relationship between these bubbles and cavitation pits in a rotating...
Evaluation and study of PBI reinforced with HDPE on abrasive wear using ANOVA and CODAS approach for protective shell applications
January 2026
Industrial applications often employ high density polyethylene (HDPE) as a bearing material due to its great wear resistance and low friction characteristics. Polybenzimidazole (PBI) reinforced HDPE...
Modeling and simulation analysis of bi-directional PIG based on the pseudo-rigid body model
January 2026
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...
Soil resistance under pipe vertical uplift in compacted clay: shallow tensile and deep shear failure mechanisms
January 2026
The paper investigates the mobilization of soil resistance against pipe vertical uplift in compacted Regina clay using both physical and numerical modelling. Results of the physical model tests reveal...
Blending hydrogen in urban gas pipeline system: Investigation of the hydrogen compatibility of PE pipeline material
January 2026
•In-situ tensile, creep, relaxation tests of PE100 in H2 environment were conducted.•MD simulations were conducted to study the mechanism of hydrogen effect.•H2 has no obvious effect on the mechanical...
Failure analysis due to collapse pressure in CT-90 coiled tubing in the Mexican oil industry
January 2026
Failure analysis of the ruptured CT-90 grade steel coiled tubing (CT) with a diameter of 44.45 mm (1.750″), which became trapped at the bottom of the well, was conducted. Mechanical and microstructural...
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
January 2026
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...
Study on fracture behavior analysis of X70 steel girth weld with toughness scatter
January 2026
This study conducting a comparative analysis of the microstructure and mechanical properties of various girth welds on X70 pipeline steel. The toughness scatter about flux-core arc welding of X70 girth...
Tree-based machine learning models for predicting the maximum depth of corrosion defects based on historical in-line inspection data
January 2026
•Investigates the application of tree-based supervised machine learning techniques to predict the maximum depth of corrosion defects based on historical ILI dataset.•Historical ILI data from a 250 km...
Seismic fragility in life cycle cost analysis for gas pipelines: design and cost optimization framework
January 2026
This study proposes an innovative approach to optimizing the seismic design of pipeline network by incorporating life-cycle cost analysis (LCCA). The research integrates seismic design, which includes...
Numerical and Experimental Study on Leakage Characteristics of Hydrogen-Blended Natural Gas during Pipeline Transport
Available online 19 January 2026
A computational fluid dynamics (CFD) model was developed to investigate leakage characteristics of hydrogen-blended natural gas pipelines, and validated using a dedicated experimental platform with...
A review of interfacial mass transfer mechanisms in the batch transportation of methanol and refined products
Available online 17 January 2026
The sequential transportation of methanol via existing refined product pipelines is a critical pathway for its large-scale, low-cost, and long-distance distribution. However, the significant physicochemical...
Investigation of hydrogen embrittlement of X52 base metal and weld metal in hydrogen blended natural gas
Available online 15 January 2026
•The fatigue crack propagation performance and fracture toughness of X52 pipeline steel base metal and weld metal are different to the sensitivity of hydrogen embrittlement under different hydrogen...
A Predictive Model for the Ultimate Burst Pressure of Hydrogen-Blended Natural Gas Pipelines Considering the Spatial Non-Uniformity of Material Properties
Available online 15 January 2026
Hydrogen-blended natural gas transportation via existing pipelines represents an effective approach for large-scale, efficient hydrogen delivery. Existing natural gas pipelines have various defects,...
Bidirectional mapping modeling of pipeline vertical deformation and axial strain based on multi-source monitoring data and machine learning
Available online 8 January 2026
Axial strain and vertical deformation are critical indicators of pipeline structural integrity. Monitoring these parameters and constructing a bidirectional mapping model linking them enhance data completeness,...
A Comprehensive Review of China’s Hydrogen Energy Industry Chain: Technologies, Economics, and Policy Implications
Available online 8 January 2026
Against the backdrop of the global energy transition and the "dual-carbon" strategic framework, hydrogen energy has emerged as a crucial facilitator for profound decarbonization, owing to its carbon-neutral...
Numerical investigation of key factors influencing the mixing performance of static mixers for hydrogen-blended natural gas
Available online 8 January 2026
Blending hydrogen into existing natural gas pipelines has emerged as a pivotal strategy for the efficient transportation of hydrogen. Static mixers, as the core components in such pipelines, play a...
Advanced conductive coatings for cathodic protection of pipeline systems
Available online 2 January 2026
This study introduces a conductive smart coating (SC) system that serves as both an external corrosion barrier and a conductive pathway for impressed-current distribution to mitigate corrosion under...
Accelerate the development of a new energy system with “substance-energy network” as the foundation
December 2025
Combined ductile-brittle fracture simulation of API X80 under impact loading
December 2025
This study explores finite element (FE) simulation of the combined ductile-brittle fracture behavior of API X80 steel under impact loading, incorporating the influences of strain rate and adiabatic...
