Keyword: «fracture»

Oil and gas production and processing facilities and the trunk pipeline system of the Republic of Sakha (Yakutia) have been built and are operating in the Arctic, where the elimination of the consequences of accidents requires significant material and time resources. The work considered, the fracture of the main gas pipelines in violation of the technology of manufacturing pipes (manufacturing defects), during long-term operation (corrosion defects), during the degradation of perennial frozen soils with the strain of the pipeline and shut-off reinforcement; the fracture of tanks for petroleum products with an uneven base precipitate from defects; the fracture of the wind-energy tower TW-250 from the fatigue crack. It is shown that the causes of accidents on the metal structures of the Arctic during long-term operation are corrosion damage on underground pipelines, fatigue cracks on tanks and gas pipelines, uneven base precipitate of the reservoirs, the formation of areas with the non-projective position of pipelines due to the degradation of perennial frozen soils.