Behavior of Subsea Pipelines Expansion under High Pressure and Temperature Design

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Abstract
In offshore operation, Crude oil is transported by means of pipeline system from oil well to platform at High Pressure and High Temperature. The pipeline will experience expansion and multi stresses due to internal pressure and operating temperature that the material properties of pipe tend to deformation which affect to the durability of pipeline. This phenomenon should be considered in the design process of pipeline and to estimate the expansion is under limit of pipeline strength otherwise the pipeline will be failure cause of catastrophic.