Results 11 to 20 of about 141,115 (293)

Development and application of inline inspectors in low-pressure gas pipelines with small curvature radii

open access: yesYou-qi chuyun, 2023
A specialized inline magnetic leakage inspector has been developed for low-pressure natural gas gathering and transmission pipelines with small curvature radii in oilfields.
LIANG Shoucai   +4 more
doaj   +1 more source

Full life cycle data management of oil and gas pipeline and its application in China-Russia Eastern Gas Pipeline

open access: yesYou-qi chuyun, 2020
The full life cycle data management is the foundation of the full life cycle integrity management of oil and gas pipelines. The research and development status of the full life cycle data management technology for oil and gas pipelines were ...
Shaohui JIA   +4 more
doaj   +1 more source

Performance evaluation and comparison of commonly used optimization algorithms for natural gas liquefaction processes

open access: yesEnergy Reports, 2022
The genetic algorithm (GA), particle swarm optimization (PSO) algorithm, and BOX algorithm have been used in natural gas liquefaction process optimization.
Heng Sun   +4 more
doaj   +1 more source

Dynamic Prediction of Natural Gas Calorific Value Based on Deep Learning

open access: yesEnergies, 2023
The natural gas quality fluctuates in complex natural gas pipeline networks, because of the influence of the pipeline transmission process, changes in the gas source, and fluctuations in customer demand in the mixing process.
Jingjing Hu, Zhaoming Yang, Huai Su
doaj   +1 more source

Prediction model of decompression wave velocity in supercritical CO2 pipelines containing impurities

open access: yesYou-qi chuyun, 2021
Once a supercritical CO2 pipeline fractures, decompression wave will appear at both end of the crack. Hence, the calculation of the decompression wave velocity during the pipeline fracturing is critical for the prediction and control of pipeline fracture.
Yuxing LI   +3 more
doaj   +1 more source

Towards the Formal Reliability Analysis of Oil and Gas Pipelines [PDF]

open access: yes, 2014
It is customary to assess the reliability of underground oil and gas pipelines in the presence of excessive loading and corrosion effects to ensure a leak-free transport of hazardous materials.
A. Church   +15 more
core   +2 more sources

Development and application of adjustable electro-hydraulic actuator

open access: yesYou-qi chuyun, 2020
In view of the current situation that adjustable electro-hydraulic actuators for pipeline depend on import, effortshave been made to the localization of adjustable electro-hydraulic actuator to guarantee the safety of national energy, toimprove the ...
Xiliang YANG   +6 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

Enlightenment of natural gas supply guarantee strategy of European Union for China's natural gas supply security

open access: yesYou-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
doaj   +1 more source

Method for detection of deformation stress of large-diameter and high-pressure pipeline under complex terrain

open access: yesYou-qi chuyun, 2020
China-Russia Eastern Gas Pipeline is characterized by ultra-large diameter, high grade steel (X80) and high pressure rating. It is located in the area with geologically active permafrost and semi-permafrost zones in the north, where is prone to ...
Yukun LI   +4 more
doaj   +1 more source

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