A numerical study on the feasibility of a cable and pipeline decommissioning device

M. Martinelli; F. Pisanò; D. Korndorffer

doi:10.3723/JLEG6121

A numerical study on the feasibility of a cable and pipeline decommissioning device

M. Martinelli
, F. Pisanò
, D. Korndorffer

Geo-engineering

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Abstract

The decommission of cables or pipelines is a vital aspect which ensures a sustainable and effective process of the infrastructure life cycle. Ideally, all offshore installations and equipment should be removed entirely but, in some cases, some flexibility is provided by the international (or national) laws or regulations whether the total removal might induce extreme risk, cost, or adverse environmental damage. The development of technology that facilitates pipeline or cable decommissioning is of vital importance. A newly developed concept of a decommissioning tool has just proposed by Enersea. This novel tool is placed into the pipeline (or over the cables) and induces vibrations in the structure and the surrounding soils, which result in a lower uplift resistance of the pipeline or cable. This paper presents the feasibility study of this technique for a cable/pipeline buried in sand. It is illustrated if it is possible to induce soil liquefaction in the vicinity of the buried pipeline/ca-ble, and the length of the pipeline affected by the liquefiable zone is also presented.

Original language	English
Title of host publication	Offshore Site Investigation Geotechnics 9th International Conference Proceeding
Publisher	Society for Underwater Technology
Pages	524-531
Number of pages	8
ISBN (Print)	9780906940594
DOIs	https://doi.org/10.3723/JLEG6121
Publication status	Published - 2023
Event	9th International SUT Offshore Site Investigation and Geotechnics Conference 2023: Innovative Geotechnologies for Energy Transition - Imperial College London, Sherfield Building, London, United Kingdom Duration: 12 Sept 2023 → 14 Sept 2023 https://sut.org/event/osig2023/

Publication series

Name	Offshore Site Investigation and Geotechnics
ISSN (Print)	2754-6322

Conference

Conference	9th International SUT Offshore Site Investigation and Geotechnics Conference 2023
Abbreviated title	SUT OSIG 2023
Country/Territory	United Kingdom
City	London
Period	12/09/23 → 14/09/23
Other	OSIG is the longest standing international conference series of this type. It brings together the offshore Geotechnical, Geophysical & Geoscientific industry & academic communities to share the latest research, knowledge and experience. Building on the success of previous events, the programme will encompass a wide range of technical themes, aiming to attract hundreds of international delegates. Social and networking events are also being programmed, culminating in a dinner and evening event at the Natural History Museum, London, with an exciting guest speaker.
Internet address	https://sut.org/event/osig2023/

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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10.3723/JLEG6121

A numerical study on the feasibility of a cable and pipeline decommissioning deviceFinal published version, 1.31 MB

Cite this

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title = "A numerical study on the feasibility of a cable and pipeline decommissioning device",

abstract = "The decommission of cables or pipelines is a vital aspect which ensures a sustainable and effective process of the infrastructure life cycle. Ideally, all offshore installations and equipment should be removed entirely but, in some cases, some flexibility is provided by the international (or national) laws or regulations whether the total removal might induce extreme risk, cost, or adverse environmental damage. The development of technology that facilitates pipeline or cable decommissioning is of vital importance. A newly developed concept of a decommissioning tool has just proposed by Enersea. This novel tool is placed into the pipeline (or over the cables) and induces vibrations in the structure and the surrounding soils, which result in a lower uplift resistance of the pipeline or cable. This paper presents the feasibility study of this technique for a cable/pipeline buried in sand. It is illustrated if it is possible to induce soil liquefaction in the vicinity of the buried pipeline/ca-ble, and the length of the pipeline affected by the liquefiable zone is also presented.",

author = "M. Martinelli and F. Pisan{\`o} and D. Korndorffer",

note = "Green Open Access added to TU Delft Institutional Repository {\textquoteleft}You share, we take care!{\textquoteright} – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. ; 9th International SUT Offshore Site Investigation and Geotechnics Conference 2023 : Innovative Geotechnologies for Energy Transition, SUT OSIG 2023 ; Conference date: 12-09-2023 Through 14-09-2023",

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Martinelli, M, Pisanò, F & Korndorffer, D 2023, A numerical study on the feasibility of a cable and pipeline decommissioning device. in Offshore Site Investigation Geotechnics 9th International Conference Proceeding. Offshore Site Investigation and Geotechnics, Society for Underwater Technology, pp. 524-531, 9th International SUT Offshore Site Investigation and Geotechnics Conference 2023, London, United Kingdom, 12/09/23. https://doi.org/10.3723/JLEG6121

A numerical study on the feasibility of a cable and pipeline decommissioning device. / Martinelli, M.; Pisanò, F.; Korndorffer, D.
Offshore Site Investigation Geotechnics 9th International Conference Proceeding. Society for Underwater Technology, 2023. p. 524-531 (Offshore Site Investigation and Geotechnics).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AB - The decommission of cables or pipelines is a vital aspect which ensures a sustainable and effective process of the infrastructure life cycle. Ideally, all offshore installations and equipment should be removed entirely but, in some cases, some flexibility is provided by the international (or national) laws or regulations whether the total removal might induce extreme risk, cost, or adverse environmental damage. The development of technology that facilitates pipeline or cable decommissioning is of vital importance. A newly developed concept of a decommissioning tool has just proposed by Enersea. This novel tool is placed into the pipeline (or over the cables) and induces vibrations in the structure and the surrounding soils, which result in a lower uplift resistance of the pipeline or cable. This paper presents the feasibility study of this technique for a cable/pipeline buried in sand. It is illustrated if it is possible to induce soil liquefaction in the vicinity of the buried pipeline/ca-ble, and the length of the pipeline affected by the liquefiable zone is also presented.

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ER -

A numerical study on the feasibility of a cable and pipeline decommissioning device

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