Results 1 to 10 of about 80,133 (209)
A Highly Hydrophobic and Flame-Retardant Melamine Sponge for Emergency Oil Spill Response [PDF]
NanomaterialsFrequent 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
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LC Resonant-Based Method for Permeability Interference Suppression in Magnetized Pipeline Eddy Current Testing [PDF]
SensorsIn 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
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You-qi chuyunObjective 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
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Operation risk analysis for custody transfer of A-Du-Wu-Shan system and the PID parameter setting
You-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
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A partial discharge detection method for high-voltage cables based on FDTD modeling
Zhejiang 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
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Test for effect of welding layers on girth weld toughness of X80 pipeline steel
You-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
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Development status and improvement strategy of in-line inspection technology and management
You-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
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You-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
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Application of Electromagnetic Eddy Current Testing Technology in Natural Gas Pipeline Testing [PDF]
Cailiao Baohu, 2022 In order to ensure the safe operation of oil and gas pipelines in service, the research on various pipeline detection methods and their applicability to pipelines has become a hot topic.In order to study the adaptability of electromagnetic eddy current ...
HU Hong-xuan, LIU Xin, XIE Chong-wen, SHI Yang, LENG Ji-hui
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You-qi chuyun, 2023 At present, China's natural gas supply has the problems of unbalanced supply structure, aggravated contradiction between supply and demand, insufficient gas storage facilities, and imperfect transportation and distribution network, which seriously ...
Baodong YAN, Yi YANG, Weichao YU
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