Application of the combined probabilisticstatistical methods of quantitative assessment of strength and durability of main pipelines with single and combined defects
https://doi.org/10.31660/0445-0108-2019-5-115-124
Abstract
Main gas and oil pipelines are the most important objects of the fuel and energy complex of the state. They are subjected to strict requirements for reliable and safe operation. Therefore, it is necessary to assess their strength (current strength) and durability (prediction strength) when operating main pipelines. The wall of the pipes of the existing main pipelines is subjected to various loads and influences. To prevent pipeline failure, strength and durability calculations are performed. The parameters of the load and mechanical resistance of the pipes are taken into account when calculating. Therefore, the "load — resistance" model is used to quantify the reliability of the main pipeline. This paper presents the main theoretical provisions of the methodology for assessing the strength and durability of trunk pipelines with single and combined defects in the framework of a combined probabilistic-statistical approach, and also an example of the use of the technique for a section of a trunk pipeline examined by an inline flaw detector.
About the Authors
A. V. Salnikov
Ukhta State Technical University
Russian Federation
Russian Federation
Alexander V. Salnikov, Candidate of Engineering, Associate Professor at the Department of Design and Maintenance of Main Gas and Oil Pipelines
Ukhta
A. A. Ignatik
Ukhta State Technical University
Russian Federation
Russian Federation
Anatoly A. Ignatik, Postgraduate
Ukhta
References
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Review
For citations:
Salnikov A.V., Ignatik A.A. Application of the combined probabilisticstatistical methods of quantitative assessment of strength and durability of main pipelines with single and combined defects. Oil and Gas Studies. 2019;(5):115-124. (In Russ.) https://doi.org/10.31660/0445-0108-2019-5-115-124
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