Experimental Study on the Influence of Asphaltenes with Small Dosage on the Rheological and Gelation Behavior of Waxy Mixtures
Available online 23 December 2023
Asphaltene, the heaviest and most polar non-hydrocarbon component in crude oil, may interact with waxes and affect the flow and gelation behavior of waxy oils. To further study the effect of asphaltene...
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Development of safe operation technology of crude oil pipeline in permafrost regions
Available online 28 November 2023
China Mohe‒Daqing Pipeline is the world first large diameter and positive temperature buried pipeline that crosses the unstable and discontinuous permafrost regions. The permafrost along the pipeline...
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A Systematic Literature Review on Permanent Ground Deformation Patterns Imposed on Buried Steel Pipelines
Available online 11 November 2023
Overtime, continuous research efforts have been devoted to investigating the effects of permanent ground deformation (PGD) on buried pipelines. These efforts have faced major uncertainties in the ground...
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A methodology to determine the target reliability of natural gas pipeline systems based on risk acceptance criteria of pipelines
Available online 6 October 2023
The reliable operation of the natural gas pipeline system is directly related to natural gas supply security, and it is vital to determine the target reliability of the natural gas pipeline system when...
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A techno-economic study of the strategy for hydrogen transport by pipelines in Canada
September 2023
•Analyzed the various hydrogen transportation methods.•Suggested the optimal option for hydrogen transport in Canada.•Discussed the technical challenges when repurposing existing pipeline for hydrogen...
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Single well virtual metering research and application based on hybrid modeling of machine learning and mechanism model
September 2023
As a supplement or alternative metering method for physical metering devices, Virtual Flow Metering (VFM) is more and more widely used in the upstream metering scenario of oil and gas fields. To enhance...
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Beam-on-spring modeling of buried MDPE pipes in sand subjected to lateral loads at a pipe junction
September 2023
Buried pipelines in landslide areas may experience excessive stresses or strains that depend on a complex soil-pipe interaction. The simplified beam-on-spring analysis is recommended in current pipe...
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Liquid pipeline network modeling with performance parameters sensitivity analysis due to its techno-commercial variables
September 2023
After analyzing existing pipeline-network design solutions in literature, the authors have developed a novel framework model that considers important technical, financial, and environmental factors...
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Application and prospects of multi-phase pipeline simulation technology in empowering the intelligent oil and gas fields
September 2023
This paper reviews the application of multiphase flow simulation technology for constructing intelligent oil and gas fields. By utilizing the theoretical multiphase flow simulation model and solution...
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Dent strain and stress analyses and implications concerning API RP 1183 - Part I: Background for dent geometry and strain analyses during contact and re-rounding
September 2023
API RP 1183 was developed through industry collaboration to manage the threat posed by dents. It provides screening and more detailed techniques designed to manage single peak smooth dents. For more...
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A study of CO2 two-phase flow in a near horizontal pipe
June 2023
In this article, the observations from two different experimental studies on CO2 two-phase flow regimes in a near horizontal pipe are analysed. These experiments show significant bubble entrainment...
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Effects of La3+ on the hydrogen permeation and evolution kinetics in X70 pipeline steel
June 2023
The inhibitory effect of La3+ on the hydrogen permeation of X70 pipeline steel was investigated via steady-state hydrogen permeation current (i∞) through electrochemical hydrogen permeation tests. The...
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Surface pipeline leak detection using realtime sensor data analysis
June 2023
The most common type of Leak Detection System (LDS) is designed to detect leaks that generate a sufficient pressure variation which can be detected at either the inlet or the outlet sensors. However,...
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Investigation on utilizing pulse CP in a city gas station: A comparison with conventional CP
June 2023
In this study, a pulse Cathodic Protection (CP) rectifier was designed and made. The performance of the pulse rectifier was monitored and compared with a conventional system. In this regard, different...
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Thermophysical properties of the corrugated cryogenic hose precooling process
June 2023
This paper presents research on the thermophysical properties of an LNG-conveying corrugated cryogenic hose during the precooling process. A numerical model consisting of the k−ϵ turbulent model with...
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Data augmentation using conditional generative adversarial network (cGAN): Application for prediction of corrosion pit depth and testing using neural network
March 2023
Machine learning (ML) based algorithms, due to their ability to model nonlinear and complex relationship, have been used in predicting corrosion pit depth in oil and gas pipelines. Class imbalance and...
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Plastic collapse analysis in multiaxially loaded defective pipe specimens at different temperatures
March 2023
A comprehensive numerical investigation is carried out using a newly developed constitutive model to describe failure at low temperatures in multiaxially loaded cracked pipes made of 316L stainless...
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Prediction model of critical liquid‐carrying gas velocity for high gas‐to‐liquid ratio gathering pipelines
March 2023
As the pressure and temperature of natural gas pipelines decreases during operation, water and condensate accumulates form in the low areas of the pipelines, affecting the operational efficiency of...
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A new calculation method and model of hydrate slurry flow of the multiphase pipeline in deep water gas field
March 2023
The transportation environment of multiphase pipelines in deepwater gas fields is likely to cause the problem of hydrate flow safety. Aiming at the gas-liquid-solid three-phase flow problem containing...
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Physics-informed Student’s t mixture regression model applied to predict mixed oil length
March 2023
Real-time estimation of thelength of mixed oil in a multi-product pipeline is a critical task during batch transportation. In previous studies, various predictive models have been built while they merely...
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