scholarly journals Investigation of the welded joints of siphon pipes of the underwater crossing of main oil pipeline

2020 ◽  
Vol 30 ◽  
pp. 6-10
Author(s):  
A.A. Antonov ◽  
Yu.A. Yakovlev ◽  
G.G. Ammosov ◽  
Z.G. Kornilova
2021 ◽  
Vol 2094 (4) ◽  
pp. 042011
Author(s):  
A A Stupina ◽  
I A Panfilov ◽  
O A Antamoshkin ◽  
E L Vaitekunene ◽  
N V Fedorova ◽  
...  

Abstract The article is aimed at solving the problem of connecting pipelines using electron beam welding. During the presented study, the analysis of the object of study - the main oil pipeline was carried out, during which the main shortcomings in the formed welded joints were identified. The authors also analyzed the methods of forming welded joints, which showed the advantages of electron-beam technology. The means of electron beam welding were selected: a generator, an electron beam gun. The electrical characteristics of the installation have been calculated, which make it possible to formulate the requirements for the purchased equipment. As a result, the authors have designed an installation for electron-beam welding of joints of the main pipeline elements, which makes it possible to form welded seams up to 400 mm deep and 1 mm wide.


Author(s):  
Andrey V. Zakharchenko ◽  
◽  
Alexander E. Gonchar ◽  
Roman Y. Shestakov ◽  
Polina V. Pugacheva ◽  
...  

The procedure for action in cases of a threat or an accident at oil pipeline transport facilities is defined in the relevant plans for emergency spillage prevention and response – ESPR. The purpose of the article is to analyze the requirements of the legislation in the field of development and approval of ESPR. The specifics of ESRP development at trunk pipeline facilities in Russia are noted, the US experience in combating oil and oil products spillage is presented. The problematic issues in the development and approval of ESRP, relevant for the domestic system of main oil pipeline transport, have been considered. It was established that the Federal Law No. 207-FL, adopted in July 2020, fundamentally changed the outdated and required revision approach to the coordination and approval of ESRP. At the same time, further work is needed to create a regulatory framework that establishes requirements for ESRP, as well as to improve ESRP, taking into account modern methods of predicting accidents, identifying emergencies, risk-oriented approaches to planning measures to localize and eliminate accidents, the specifics of operating organizations.


2011 ◽  
Vol 8 (1) ◽  
pp. 201-210
Author(s):  
R.M. Bogdanov

The problem of determining the repair sections of the main oil pipeline is solved, basing on the classification of images using distance functions and the clustering principle, The criteria characterizing the cluster are determined by certain given values, based on a comparison with which the defect is assigned to a given cluster, procedures for the redistribution of defects in cluster zones are provided, and the cluster zones parameters are being changed. Calculations are demonstrating the range of defect density variation depending on pipeline sections and the universal capabilities of linear objects configuration with arbitrary density, provided by cluster analysis.


10.12737/444 ◽  
2013 ◽  
Vol 2 (3) ◽  
pp. 3-9
Author(s):  
Котляревский ◽  
Vladimir Kotlyarevskiy

The problems relating to assessment of pipelines operated in the permafrost were analyzed and the need to resolve them was justified. Possible methods and software tools allowing the systematic approach implementation to forecasting the stress state of pipelines were presented. The strength prediction algorithm of main pipelines upon deformation due to the soil subsidence in the thawing areoles in permafrost sections was shown. The calculation of thawing and subsidence zone is based on existing rules with adaptation to underground pipelines. For operation safety control the alternative calculations of main oil pipeline durability for real conditions of the route section in the Amur region district have been executed.


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