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ISSN: 2667-1433

Data augmentation using conditional generative adversarial network (cGAN): Application for prediction of corrosion pit depth and testing using neural network

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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Prediction model of critical liquid‐carrying gas velocity for high gas‐to‐liquid ratio gathering pipelines

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

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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Framework for Generating Pipeline Leak Datasets using PIPESIM

Access to pipeline leak datasets is one of the most critical challenges limiting the development of robust pipeline leak detection algorithms using Machine learning. While machine learning presents...

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Single well virtual metering research and application based on hybrid modeling of machine learning and mechanism model

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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A techno-economic study of the strategy for hydrogen transport by pipelines in Canada

•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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Thermophysical Properties of the Corrugated Cryogenic Hose Precooling Process

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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Investigation on utilizing pulse CP in a city gas station: a comparison with conventional CP

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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Iceberg-seabed interaction evaluation in clay seabed using tree-based machine learning algorithms

In Arctic offshore regions, the oil and gas hydrocarbons are transferred to the onshore basins through the subsea pipelines. However, the operational integrity of the subsea pipeline may be at risk...

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Review and analysis of pipeline leak detection methods

A pipeline burst or rupture causing a leak may significantly impact the environment and the reputation of the company operating the pipeline. In recent years, oil and gas pipelines are expected to be...

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Experimental and numerical study on the flow characteristics of slug flow in a horizontal elbow

•Phase distribution of gas-liquid two-phase slug flow at the elbow was clarified.•Effects of elbow on flow characteristics at slug flow were analyzed.•A CFD simulation method for slug flow at the elbow...

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Drag reduction in single-phase crude oil flow: A mini-review

It is well recognized that a major issue for fluid flows in many industrial pipe systems, including the transportation of crude oil, is the high energy consumption in the pipeline system brought on...

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Investigation on leakage detection and localization in gas-liquid stratified flow pipelines based on acoustic method

Leakage detection technology is of vital importance to the safe operation and flow insurance of multiphase flow pipelines. This paper for the first time applies acoustic based leakage detection method...

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Artificial neural network models of burst strength for thin-wall pipelines

Burst strength is critical to pipeline design, operation, and integrity management. The Barlow formula with the ultimate tensile stress (UTS) was often used to estimate burst strength of line pipes....

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Effects of La3+ on the hydrogen permeation and evolution kinetics in X70 pipeline steel

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

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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A study of CO2 two-phase flow in a near horizontal pipe

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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Physics-informed student's t mixture regression model applied to predict mixed oil length

Real time estimation of length of mixed oil in multi-product pipeline is a critical task during the batch transportation. In previous studies, various predictive models have been built while they merely...

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Plastic collapse analysis in multiaxially loaded defective pipe specimens at different temperatures

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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Assessing damaged pipelines transporting hydrogen

There is worldwide interest in transporting hydrogen using both new pipelines and pipelines converted from natural gas service. Laboratory tests investigating the effect of hydrogen on the mechanical...

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High energy X-ray diffraction and small-angle scattering measurements of hydrogen fatigue damage in AISI 4130 steel

Accurate lifetime predictions are critical for repurposing existing pipelines for hydrogen transmission as well as for developing novel steels which are minimally susceptible to lifetime degradation...

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Application of line pipe and hot induction bends in hydrogen gas

For the upcoming hydrogen economy, transport pipelines for hydrogen gas and gas mixtures of hydrogen and natural gas are one of the important components. For the application of steel in hydrogen gas...

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Significance of separations occurring in mechanical testing of thermomechanical rolled pipeline steels

In this study, the origin of separations is investigated in modern high strength pipeline steels. In-depth microstructure characterization and property correlation is used to demonstrate that preferred...

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Prediction of properties on large diameter welded pipe: case study on 32″ × 16 mm X65 HSAW pipe

Large diameter welded pipes are amongst the most cost-effective transportation means for oil and gas. The production of those pipes involves different cold forming steps, as a result of which the mechanical...

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Modeling the effect of backfill on dynamic fracture propagation in steel pipelines

In this paper, dynamic ductile fracture propagation simulations were conducted to study the use of smoothed particle hydrodynamics (SPH) for modeling the effects of backfill in pipeline burst simulations. ...

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