Abstract
The paper presents the stress and strain state modeling of infield pipeline in Ugut oil field. The finite element models of the stress field distribution in the pipeline wall are presented in this paper. The attention is paid to the pipeline reliability under stress conditions induced by the internal pressure and external compressive or tensile loads.
Highlights
One of the main problems that must be solved for the infield pipeline design is the construction of the linear pipeline portion
The pipelines are usually cased in protective steel tubes [1]
The use of Autodesk Inventor software for the stress and strain state analysis of the pipeline portion in protective steel casing showed that the universal CAD system allows solving a variety of difficult problems
Summary
One of the main problems that must be solved for the infield pipeline design is the construction of the linear pipeline portion. In order to prevent pipelines from failures and damages induced by the excessive bending, climatic and operating conditions, soils, and potentially dangerous areas should be studied and detected. The relevance of the stress and strain state design technique for underground pipelines is explained by the fact that at least 1 mm increase of the pipe wall thickness results in a considerable overexpenditure of material. This is because the soil exerts the external load application to the pipeline, and is the medium in which deformations of the linear construction occur.
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