Deep learning-based intelligent path planning system design for subsea pipeline laying
September 2026
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...
Analytical probability distribution of running fracture length in transmission pipelines with crack arrestors
September 2026
This paper presents analytical derivations of the probability distribution of running fracture (RF) length in steel transmission pipelines that are equipped with crack arrestors. The RF length is defined...
Comparative study on the effects of sudden expansion and sudden contraction structures on the deflagration characteristics of hydrogen-methane-air
September 2026
This study investigates the effect of sudden contraction and expansion structures on the detonation flame propagation of hydrogen-methane-air mixtures through experiments and LES. The study introduces...
FPE‑YOLO: real‑time small‑object detection for third‑party damage in oil and gas pipeline integrity monitoring
September 2026
•A bio-inspired FPE-YOLO framework for small object detection in pipeline intrusion monitoring.•Progressive three-stage enhancement: attention → cross-scale fusion → feature enhancement.•Fovea Attention...
Dent strain and stress analyses and implications for API-RP 1183 - Part IIIB: Fatigue-life prediction for dented pipes
September 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...
Economic viability of liquefied natural gas pipeline construction: Influence of cascaded utilization of cold energy and distance-volume factors
September 2026
•Theoretical feasibility of LNG pipeline transportation is investigated.•The economic boundaries of LNG pipeline transportation are explored.•The application potential of LNG pipeline transportation...
Life-line assurance in the urbanization process: revealing the coupled safety resilience of municipal underground pipelines and its influential characteristics
September 2026
•A novel DANP-CSR-MUPs framework is developed for evaluating the coupled safety resilience of Municipal Underground Pipelines (MUPs) using the DANP method.•The study evaluates four major MUP types (gas,...
Microscopic mechanism of wax precipitation and gelation of waxy crude oil based on molecular dynamics simulation
September 2026
•Molecular dynamics model links cooling-driven van der Waals dominance to gelation phase transition.•Wax-wax attraction drives gelation, aligning with macro-rheological trends.•RDF peaks rise, Rg drops,...
Research on the subdivision of oil delivery districts and adjustment of oil depots locations by the method of equidistant subdivision and weight proportion
September 2026
•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 numerical simulation method for CO2 leakage considering non-equilibrium phase transition
September 2026
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...
A review: Research and application of pipeline robots in the oil and gas industry
September 2026
This study reviews the research and application advancements of pipeline robots in oil and gas pipelines. Oil and gas pipelines, as critical infrastructure for global energy transportation, have historically...
Assessment of releases from hydrogen and hydrogen-blended natural gas pipelines: A review
September 2026
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...
Data-driven leakage detection in gas pipelines through wavelet denoising and variogram-based kriging
September 2026
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...
Synthetic magnetic flux leakage signal generation using diffusion models: A novel approach to improve pipeline defect detection accuracy
September 2026
Magnetic flux leakage (MFL) based inline inspection techniques effectively ensure the safety of oil and gas pipeline transportation. The application of deep learning models to MFL signal processing...
A data-driven risk assessment framework for ammonia pipelines: Insights from 232 accident cases (1970–2023)
September 2026
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...
Dent strain and stress analyses and implications for API-RP 1183 - Part IIIA: Dent fatigue analysis concepts and data
September 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...
A comprehensive survey on pipeline monitoring technologies: Advancements, challenges, market opportunities and future directions
September 2026
Pipelines are essential infrastructure used to transport resources such as oil, gas, water, and sewage. Efforts should be driven toward ensuring the safe operation of these pipelines, as this directly...
Experimental and Computational Investigations of Cured-in-Place Structural Liners for Pipeline Rehabilitation: A Multi-Level Review
Available online 13 August 2026
In the United States, there have been approximately 8,000 pipeline accidents since 1986, resulting in over 500 deaths, 2300 injuries, and $7 billion in property loss, with 35% of failures caused by...
Overcoming Noise Interference and Sample Scarcity in Digital Radiography: A Synergistic Approach for Intelligent Pipeline Girth Weld Defect Recognition
Available online 13 August 2026
•A synergistic framework is developed to overcome intense noise interference and sample scarcity in DR weld defect recognition.•A dual-dimensional GRDM is proposed, achieving 91% edge gradient retention...
Challenges and Advancements in Offshore Pipelines In-Line Inspection (ILI) and Pigging: A Comprehensive Review
Available online 13 August 2026
•Reviews challenges in offshore pipeline in-line inspection (ILI).•Details ILI tools: caliper, MFL, UT, ECT, and EMAT technologies.•Addresses thick walls, coatings, high pressure, and sour gas issues.•Proposes...
Fracture Evolution and Control of Supercritical/Dense CO2 Pipelines under Thermal-Fluid-Chemical-Mechanical (TFCM) Coupling: A Review of Initiation, Propagation, and Arrest Mechanisms
Available online 12 August 2026
In the context of the large-scale application of global carbon capture, utilization and storage (CCUS) technology, the safety guarantee of supercritical/dense CO2 pipeline is crucial. Due to the complex...
Research progress of data-driven approaches in oil and gas pipeline magnetic flux leakage detection
Available online 12 August 2026
•98 publications on data-driven methods in magnetic flux leakage (MFL) are reviewed.•The current research state and evolution of research hotspots are identified.•Future research needs for data-driven...
Intelligent Decision Support for Safety Risk Management of Urban Gas Pipeline Network Leakage by Integrating Large Language Models and Knowledge Graph Technologies
Available online 12 August 2026
To address the systemic challenges in risk prevention and control of urban gas pipeline network leakage accidents (UGPNLAs), this study conducts a systematic analysis of 209 accident investigation reports....
Prediction of pipeline remaining useful life based on few-shot crack depth data
Available online 12 August 2026
•We expand the few-shot crack depth data by employing the Paris equation and LSTM neural networks, which constructs a comprehensive temporal sequence of crack depths, thereby establishing a reliable...
Parametric study of burst strength for hydrogen blended natural gas pipelines with long corrosion defects
July 2026
Transporting hydrogen through existing natural gas pipeline poses significant challenges due to hydrogen embrittlement (HE), which can compromise the structural integrity of pipelines. This study evaluates...
