Detection of submarine pipeline and cable targets based on depth feature of high resolution sonar image. [PDF]
PLoS ONEFor Side-Scan Sonar (SSS) submarine pipeline and cable target feature extraction, there are some problems such as poor real-time performance, high false detection rate, and difficulty in deploying edge equipment.With deep feature technology,this study ...
Dandan Liu +3 more
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Reliability Modelling of Pipeline Failure under the Impact of Submarine Slides-Copula Method
Mathematics, 2022 The instability of seabed slope sediments is the main factor influencing the safety of marine resource development. Therefore, to ensure the safe operation of submarine pipelines under complex and uncertain seabed rock and soil conditions, a reliability ...
Laifu Song, Ning Fan, Xueming Du
exaly +3 more sources
Numerical Simulation on the Local Scour Processing and Influencing Factors of Submarine Pipeline
Journal of Marine Science and Engineering, 2023 To investigate the different influencing characteristics of local scour around submarine pipelines, hydrodynamic and sediment transport two-dimensional models based on Flow-3D are used to numerically simulate the local scour around the pipeline under ...
Ke Hu, Xinglan Bai, Murilo Augusto Vaz
exaly +3 more sources
Damage predictive model of submarine pipeline impacted by falling object based on BP neural network [PDF]
Journal of Hebei University of Science and Technology, 2023 In order to predict the damage of submarine pipeline on saturated clay seabed by falling objects, a dynamic finite element model of interaction between saturated clay seabed and submarine pipeline under the impact of falling objects was established.
Chunhui ZHANG +7 more
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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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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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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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