The concept of optimizing the gas pipelines maintenance
UDC: 622.691.4.004.6
DOI: 10.33285/1999-6934-2023-2(134)-76-79
Authors:
VELIYULIN IBRAGIM I.
1,
MITROKHIN MIKHAIL YU.1,
ALEKSANDROV VIKTOR A.1,
SYTOV VLADIMIR P.1,
LOPATIN ALEXEY S.2,
KUPRIYANOV ALEXEY V.3
1 EKSIKOM, Moscow, Russia
2 National University of Oil and Gas "Gubkin University", Moscow, Russia
3 ZUCS, Perm, Russia
Keywords: maintenance of gas pipelines, in-tube pigging inspection of pipelines, failure of a gas pipeline, pipe metal defect, defect of a pipeline protective coating, repair of a gas pipeline by applying the pipes replacing method, selective repair of a gas pipeline
Annotation:
Currently, measures for the maintenance of main gas pipelines provide for mandatory technical diagnostics, the purpose of which is to assess the technical state of pipelines, indicating, if necessary, repair methods. The article develops the concept of optimizing the maintenance of the linear part of the trunk pipelines, taking into account the degradation of pipes’ metal properties, operational life-time and climatic conditions of the location. The authors of the article, based on the analysis of statistical data of in-tube pigging inspection, materials of repairs performed and the assessment of the technical state degradation of most of the gas pipelines, proposed recommendations on the schedules and types of their technical diagnostics, timely maintenance and repair.
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