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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

Review on the transport capacity management of oil and gas pipeline network: Challenges and opportunities of future pipeline transport

open access: yesEnergy Strategy Reviews, 2022
Pipelines are the essential transportation infrastructure of the energy system, undertaking most transportation tasks of oil and gas on land. In a critical period of the energy transition, it is necessary to comprehensively review the research on pipeline transport capacity management for better planning.
Qianwei Cheng, Qi Liao, Haoran Zhang
exaly   +3 more sources

Research on construction and operation methodology for intelligent oil and gas pipeline network systems

open access: yesYou-qi chuyun
Objective With the advancement of industrial technologies, oil and gas pipeline systems have progressively enhanced their automation levels, moving towards unmanned and intelligent systems.
Qingshan FENG
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

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

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

A Survey of Optimization Method for Oil-gas Pipeline Network Layout [PDF]

open access: yesProceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering, 2015
Gathering and transferring pipeline network of oil-gas system exerts remarkable impact on construction cost for whole oilfield engineering. Based on analysis of previous optimization methods for oil-gas pipeline network layout, this paper introduces some frequently used optimization design methods and discusses their advantages and disadvantages ...
Jun Xiao   +3 more
openaire   +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

Optimized preparation method of natural gas pipeline transportation plan based on minimum energy consumption

open access: yesYou-qi chuyun, 2021
At present, the natural gas pipeline transportation plan is mainly prepared based on the artificial experience, which requires considerable time and energy, unfavourable for the overall optimization of the plan.
Shuo JIN   +3 more
doaj   +1 more source

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