Impact of Long-Term Operation on the Reliability and Durability of Transit Gas Pipelines

Okipnyi Igor 1 , Poberezhny Lyubomyr 2 , Zapukhliak Vasyl 2 , Hrytsanchuk Andrii 2 , Poberezhna Liubov 3 , Stanetsky Andrij 2 , Kravchenko Viktoria 2  and Rybitskyi Ihor 2
  • 1 Ternopil Ivan Puluj National Technical University, , Ternopil, Ukraine
  • 2 Ivano-Frankivsk National Technical University of Oil & Gas, , Ivano-Frankivsk, Ukraine
  • 3 Ivano-Frankivsk National Medical University, , Ivano-Frankivsk, Ukraine

Abstract

Corrosion and corrosion-fatigue tests of the material of the pipeline, which was in operation for 41 years. It has been shown that prolonged operation reduces the parameters of resistance to fatigue and prolonged static loading in corrosive environments. It was established that the degradation of physical and mechanical properties is insignificant, Ukraine’s main gas pipelines are ready to operate at full capacity provided that timely monitoring measures are carried out.

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