Subsea Pipeline Design and Thermal Expansion and Stress Analysis for Subsea Tie-In Spool
Don Revo Refaldiano 1 dan Rildova, Ph.D 2
Program Studi Sarjana Teknik Kelautan
Fakultas Teknik Sipil dan Lingkungan, Institut Teknologi
Bandung Jalan Ganesha 10 Bandung 40312
donrefaldiano@students.itb.ac.id 1 dan rildova@ocean.itb.ac.id 2
Abstract
Subsea pipeline is one of the few structure with supporting function of products transportation in oil and gas industries. Regarding the condition of the place, subsea pipeline is affected the more by its environment rather than onshore pipeline, for example there are effects from wave and current force. As the environment affection is rising, the operational affection will rise so the product can be transported in an extreme condition. The engineering process for subsea pipeline need to be conducted for operational condition, hydrotest condition, and installation condition. The engineering of pipe property in this Undergraduate Thesis are including the design of wall thickness regarding DNV-OS-F101, the design of on-bottom stability regarding DNV-RP-F109, and the design of free span regarding DNV-RP-F105. Next, subsea pipeline will be designed and analyzed for thermal expansion in expansion spool regarding ASME B31.8 Ch VIII, then will be analyzed with the help of CAESAR II 2019 software for stress analysis.
Keywords: subsea pipeline, offshore pipeline, tie-in spool, expansion spool, wall thickness, on bottom stability, free span, thermal expansion, stress, DNV-OS-F101, DNV-RP-F109, DNV-RPF105, ASME B31.8 Ch VIII, CAESAR II 2019
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