Results 1 to 10 of about 11,798 (194)

Influence of Anchoring on Burial Depth of Submarine Pipelines. [PDF]

open access: yesPLoS ONE, 2016
Since the beginning of the twenty-first century, there has been widespread construction of submarine oil-gas transmission pipelines due to an increase in offshore oil exploration. Vessel anchoring operations are causing more damage to submarine pipelines
Yuan Zhuang, Yang Li, Wei Su
doaj   +2 more sources

Experimental investigation of the impact of the spoiler and piggyback line on scour holes of the parallel pipe lines under the erodible bed [PDF]

open access: yesمهندسی عمران شریف, 2022
The bed formations of submarine pipelines models were measured to investigate the effect of design parameters such as the distance between two submarine pipelines and also the effect of adjusted rectangular spoiler due to different angles of adjustment ...
M. Damroodi, K. Esmaili, S.H. Rajaie
doaj   +1 more source

Research on Development and Test Analysis of Full-Scale Fatigue Test System of X65 Submarine Pipeline [PDF]

open access: yesE3S 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
doaj   +1 more source

Evaluation of residual strength of externally-corroded submarine pipelines based on deep learning

open access: yesYou-qi chuyun, 2021
Corrosion is one of the important causes for submarine pipeline failure. Accurate prediction of the residual strength of corroded submarine pipelines is a key to evaluate the integrity and the subsequent service ability of submarine pipelines.
Peng XIE   +4 more
doaj   +1 more source

Progress and outlook of submarine pipeline engineering technologies in China

open access: yesYou-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
doaj   +1 more source

Scour protection test for submarine pipelines under alternating tidal current

open access: yesYou-qi chuyun, 2022
Many oil and gas pipelines have to be laid on the seabed during the deep development of marine oil and gas resources, but the submarine pipeline suspension due to souring under marine hydrodynamic conditions is the important factor that leads to the ...
Zhiyong ZHANG   +4 more
doaj   +1 more source

Causes and Treatment Measures of Submarine Pipeline Free-Spanning

open access: yesJournal of Marine Science and Engineering, 2020
Submarine pipelines, as arteries for offshore oil and gas transportation, play a particularly important role in the exploitation of offshore oil and gas resources.
Bo Zhang, Rui Gong, Tao Wang, Zhuo Wang
doaj   +1 more source

Construction and experimental verification research of a magnetic detection system for submarine pipelines based on a two-part towed platform

open access: yesJournal of Ocean Engineering and Science, 2023
With the acceleration of the investigation and development of marine resources, the detection and location of submarine pipelines have become a necessary part of modern marine engineering.
Mianjin Wang   +5 more
doaj   +1 more source

Current situation and prospect of submarine pipeline integrity evaluation in China

open access: yesYou-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
doaj   +1 more source

Impact of point load arising from installation and laying on local buckling of large diameter submarine pipeline

open access: yesYou-qi chuyun, 2020
The large diameter pipelines, compared to conventional diameter pipelines, are more likely to cause local buckling instability in case of point load subjected during its installation of submarine pipelines.
Yu HUANG, Hu YANG, Xu LI, Xiufeng LI
doaj   +1 more source

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