Results 11 to 20 of about 472,437 (333)
State detection and safety evaluation of submarine suspended pipeline
You-qi chuyun, 2021 Due to the change of sea conditions, suspended sections will appear to a submarine pipeline, and its safety has attracted great attention. Herein, by adopting the side scan sonar detection technology and the sub-bottom profiling technology, a submarine ...
Banglong JIA, Jian SHUAI, Yinhui ZHANG
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Numerical simulation of submarine pipeline penetration in sandy seabed
Journal of Hebei University of Science and Technology, 2022 In order to predict the penetration depth of submarine pipeline on sandy seabed,a coupled Eulerian-Lagranginan finite element model of submarine pipeline penetration on sandy seabed was established under ABAQUS to simulate the process of submarine ...
Xiaoming ZHENG +4 more
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Progress and outlook of submarine pipeline engineering technologies in China
You-qi chuyun, 2022 Submarine pipelines are important means for offshore oil & gas transportation, and thus facilitating the development of submarine pipeline engineering technologies is of great significance to promote the development and construction of offshore oil and ...
Rong-qi CHEN, Zhen-ming LEI
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Current situation and prospect of submarine pipeline integrity evaluation in China
You-qi chuyun, 2020 As the service condition is harsh, the submarine pipeline is hard to be monitored and maintained. Therefore, oncean accident occurs, the consequence will be very serious.
Shaohua DONG +3 more
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Research on Development and Test Analysis of Full-Scale Fatigue Test System of X65 Submarine Pipeline [PDF]
E3S Web of Conferences, 2021 The fatigue performance of welded joints of submarine pipelines is directly related to the safety and economic benefits of welded structures. Considering the limitations of fatigue calculation, anti-fatigue design and small-scale fatigue test in the ...
Hu Yanhua +4 more
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Risk assessment model for full life cycle of submarine oil and gas pipeline
You-qi chuyun, 2020 Risks may exist in the design, construction, operation and disposal of the submarine oil and gas pipeline, which is an integral part of the offshore oil and gas field production system.
Kaiyue GENG +4 more
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Energy Reports, 2022 For formulate an effective maintenance scheme of submarine pipeline and effectively ensure the safe operation of submarine pipeline, a strength evaluation and reliability technology of energy pipeline based on Fuzzy depth learning network algorithm is ...
Wei Zhang +6 more
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Overload capacity analysis of extra high voltage AC XLPE submarine cable
Frontiers in Energy Research, 2023 When submarine cable line fails or other lines need load transfer, it often suffers from emergency ampacity that exceeds the steady-state ampacity. The layout environment of the submarine cable is always complex and changeable, and the overload capacity ...
Hao Zhang +5 more
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Submarine pipeline stability under currents and waves action
RUDN Journal of Engineering Research, 2021 Pipelines are widely used in recent decades because their eco-friendliness, safety and profitability of transportation. Their length can be more than hundreds and thousands of kilometers. Submarine pipelines got wide distribution. Their constructing must
Konstantine P. Mordvintsev +2 more
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Journal of Marine Science and Engineering, 2023 Sand waves are commonly formed on the sandy seabed of the continental shelf and characterized by their regular wave-like shape. When a submarine pipeline is laid on this type of seabed, it often experiences free spans due to the unevenness of the seabed.
Xing Zou +4 more
semanticscholar +1 more source