Design check against the construction code (DNV 2012) of an offshore pipeline using numerical methods

The production of oil and gas from offshore oil fields is, nowadays, more and more important. As a result of the increasing demand of oil, and being the shallow water reserves not enough, the industry is pushed forward to develop and exploit more difficult fields in deeper waters. In this paper, the...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-08, Vol.145 (8), p.82018-82024
Main Authors: Stan, L C, C lim nescu, I, Velcea, D D
Format: Article
Language:English
Subjects:
Gas pipelines
Natural gas
Numerical methods
Offshore
Offshore construction
Offshore drilling rigs
Offshore engineering
Offshore pipelines
Oil fields
Petroleum engineering
Petroleum pipelines
Pipelines
Production methods
Reserves
Shallow water
Underwater pipelines
Underwater structures
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Summary:The production of oil and gas from offshore oil fields is, nowadays, more and more important. As a result of the increasing demand of oil, and being the shallow water reserves not enough, the industry is pushed forward to develop and exploit more difficult fields in deeper waters. In this paper, there will be deployed the new design code DNV 2012 in terms of checking an offshore pipeline as compliance with the requests of this new construction code, using the Bentley Autopipe V8i. The August 2012 revision of DNV offshore standard, DNV- OS-F101, Submarine Pipeline Systems is supported by AutoPIPE version 9.6. This paper provides a quick walk through for entering input data, analyzing and generating code compliance reports for a model with piping code selected as DNV Offshore 2012. As seen in the present paper, the simulations comprise geometrically complex pipeline subjected to various and variable loading conditions. At the end of the designing process the Engineer has to answer to a simple question: is that pipeline safe or not? The pipeline set as an example, has some sections that are not complying in terms of size and strength with the code DNV 2012 offshore pipelines. Obviously those sections have to be redesigned in a manner to meet those conditions.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/145/8/082018