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Systematic Evaluation of Ultrasonic In-Line Inspection Techniques for Oil and Gas Pipeline Defects Based on Bibliometric Analysis [PDF]

open access: yesSensors
The global reliance on oil and gas pipelines for energy transportation is increasing. As the pioneering review in the field of ultrasonic defect detection for oil and gas pipelines based on bibliometric methods, this study employs visual analysis to ...
Jie Huang   +6 more
doaj   +2 more sources

A Highly Hydrophobic and Flame-Retardant Melamine Sponge for Emergency Oil Spill Response [PDF]

open access: yesNanomaterials
Frequent crude oil spills during offshore oil and gas production and transportation have inflicted irreversible detrimental effects on both human activities and marine ecosystems; with particular risks of secondary disasters such as combustion and ...
Chengyong Zheng   +3 more
doaj   +2 more sources

LC Resonant-Based Method for Permeability Interference Suppression in Magnetized Pipeline Eddy Current Testing [PDF]

open access: yesSensors
In the eddy current testing (ECT) of magnetized ferromagnetic pipelines, permeability perturbations near defects cause magnetic distortion that primarily modulates the imaginary part of the ECT sensor’s impedance, leading to confusion between inner and ...
Lin Su   +4 more
doaj   +2 more sources

Operation risk analysis for custody transfer of A-Du-Wu-Shan system and the PID parameter setting

open access: yesYou-qi chuyun, 2021
Aiming at the problems of untimely manual flow path switching under abnormal working conditions and long time required for pressure regulation through the PID control of the regulating valves of A-Du-Wu-Shan system, risk analysis was carried out for the ...
Yonggang LIN   +3 more
doaj   +1 more source

Research on Oil and Gas Pipeline Operation Optimization Based on Improved Newton-Raphson Method [PDF]

open access: yesE3S Web of Conferences, 2021
Oil and gas pipelines are the main channel to ensure national energy security and national economic development due to the safety and efficiency of the transportation coast.
Duan Linjie   +5 more
doaj   +1 more source

A partial discharge detection method for high-voltage cables based on FDTD modeling

open access: yesZhejiang dianli, 2023
The partial discharge (PD) of high-voltage cables and the accessories directly affects the insulation performance of power cables. Therefore, a PD detection method for high-voltage cables based on finite-difference time-domain (FDTD) modeling is proposed.
PAN Biao   +5 more
doaj   +1 more source

Review and prospect of production and operation management of China-Russia Crude Oil Pipeline

open access: yesYou-qi chuyun, 2021
On the 10th anniversary that the China-Russia Crude Oil Project (including the First and Second Mohe-Daqing Pipelines) was put into operation, its development history of the production and operation management in the 10 years was reviewed.
Yan TANG, Haichao YU, Yingjie FU
doaj   +1 more source

Development status and improvement strategy of in-line inspection technology and management

open access: yesYou-qi chuyun, 2020
Pipeline defects have always been the dominant factor leading to pipeline failure. Using in-line inspectiontechnology to inspect and identify various pipeline defects has become a widely acknowledged practice in Chinaand abroad.
Zhiping WU   +5 more
doaj   +1 more source

Exploration and practice of key equipment localization in oil and gaspipelines

open access: yesYou-qi chuyun, 2021
The key equipment of oil and gas pipelines is the important treasure of a country because they are related to national energy security. For many years, the key equipment has been imported, which become a bottleneck restricting the high-quality ...
Xiliang YANG, Dong ZHANG, Yongjun CAI
doaj   +1 more source

Test for effect of welding layers on girth weld toughness of X80 pipeline steel

open access: yesYou-qi chuyun, 2022
The girth welds of natural gas pipelines applied by self-shielded flux cored semi-automatic welding process in multiple layers and passes are prone to failure, and the main reasons include the number of welding layers is less than that required by the ...
Ting WANG   +5 more
doaj   +1 more source

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