Method for determining technological parameters to repair pipeline with out-of-spec curvature
##plugins.themes.bootstrap3.article.main##
##plugins.themes.bootstrap3.article.sidebar##
Abstract
When performing in-line inspection of trunk pipelines, line pipe sections are detected with curvature exceeding the values required by specifications. To prepare a repair work project that entails bringing the pipeline into the standard conditions, it is necessary to determine the technological parameters of the repair. The corresponding technique is known for cases of moving an initially straight pipeline. The authors of the paper have developed the method for determining the technological parameters to repair pipeline with out-of-spec curvature of the axis. The method is based on simulation of pipeline deformation with the initial curvature of the axis, taking into account the actual operating conditions of the pipeline and in-line inspection data. Examples of calculations of repair technological parameters and stress-strain state of pipeline sections with out-of-spec curvature are given. The simulation results confirm the possibility for applying this method to assess the technological parameters of repair, the length of trench excavation, the size and limits of the pipeline additional burying or lifting, and to determine the stress-strain state of the pipeline section under repair during and after repair work.
How to Cite
Downloads
##plugins.themes.bootstrap3.article.details##
Pipeline, out-of-spec curvature radius, technological parameters of repair, calculation of stress-strain state.
[2] Bykov L. I., Mustafin F. ?., Rafikov S. ?., Nechval ?. ?., Lavrentyev ?. ?. Typical calculations for construction and repair of oil and gas pipelines:
Textbook. Saint Petersburg: Nedra Publ.; 2006. p 824. (In Russ.)
[3] Feodosyev V. I. Ten lectures-talks on the strength of materials. Moscow: Nauka Publ.; 1975. p 173. (In Russ.)
Articles submitted to the journal should not have been published before in their current or substantially similar form, or be under consideration for publication with another journal. All authors submitting their works acknowledge that they have disclosed all and any actual or potential conflicts of interest regarding authorship and publication of the work and will indemnify the publisher against any breach of such warranty. For ease of dissemination and to ensure proper policing of use, papers and contributions become the legal copyright of the publisher unless otherwise agreed.