Pipelines are the most profitable mode of transportation for hydrocarbons. Typically, oil and
gas pipelines are made of low carbon steel, whose mechanical properties change due to …

The fatigue lifetime of two API 5L X52 steels retired from long-term service was investigated.
Both steels presented pearlite fragmentation, fine precipitate particles and spheroidized …

The laws governing change in mechanical characteristics under tension in air of steels of
different strength levels in the initial state and after long-term exploitation on gas mains have …

Pipelines during their service life subjected to operational degradation, ie their mechanical
characteristics worsened with time. Pronounced texture of pipe steels associated with their …

Regularities of steel structure degradation of the “Novopskov-Aksay-Mozdok” gas main
pipelines (Nevinnomysskaya CS) as well as the “Gorky-Center” pipelines (Gavrilovskaya …

The book presents topical theoretical and experimental studies for develo** advanced
methods of detecting materials fracture and assessing their structural state using acoustic …

X52 pipeline steel has been widely used for long-distance transmission for oil and gas, there
is a lack of evaluation of such pipelines steel in service. Thus, the present work mainly …

Underground pipelines during operation are affected by mechanical and corrosive factors.
The susceptibility of cathodically protected pipe to hydrogen degradation increases, which …

To ensure the uninterrupted and safe supply of oil and gas products, it is necessary to
maintain the pipeline systems in good working condition and to monitor their technical state …

The problem of technogenic and environmental safety of significant objects of industrial and
social infrastructure is becoming more and more urgent both for many economically …