Research Papers: Structures and Safety Reliability

Criticality Analysis for Maintenance Purposes of Platform Supply Vessels in Remote Areas

[+] Author and Article Information
A. Marhaug

Department of Engineering and Safety,
UiT The Arctic University of Norway,
Tromsø 9037, Norway
e-mail: andreasmarhaug@gmail.com

A. Barabadi

Department of Engineering and Safety,
UiT The Arctic University of Norway,
Tromsø 9037, Norway
e-mail: abbas.b.abadi@uit.no

E. Stagrum

Leminkäinen Norge,
Tromsø 9020, Norway
e-mail: e_stagrum@hotmail.com

K. Karlsen

Fjellstrand AS,
Strandebarm 5630, Norway
e-mail: ketil.karlsen@hotmail.com

A. Olsen

NPRA Norway,
Tolvsrød 3150, Norway
e-mail: alfmolsen@gmail.com

Y. Z. Ayele

Department of Engineering and Safety,
UiT The Arctic University of Norway,
Tromsø 9037, Norway
e-mail: yonas.z.ayele@uit.no

1Corresponding author.

Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received September 18, 2016; final manuscript received November 15, 2016; published online March 27, 2017. Assoc. Editor: Jonas W. Ringsberg.

J. Offshore Mech. Arct. Eng 139(3), 031601 (Mar 27, 2017) (11 pages) Paper No: OMAE-16-1117; doi: 10.1115/1.4035304 History: Received September 18, 2016; Revised November 15, 2016

The oil and gas industry is pushing toward new unexplored remote areas, potentially rich in resources but with limited industry presence, infrastructure, and emergency preparedness. Maintenance support is very important and challenging in such remote areas. A platform supply vessel (PSV) is an essential part of maintenance support. Hence, the acceptable level of its availability performance is high. Identification of critical components of the PSV provides essential information for optimizing maintenance management, defining a spare parts strategy, estimating competence needs for PSV operation, and achieving the acceptable level of availability performance. Currently, there are no standards or guidelines for the criticality analysis of PSVs for maintenance purposes. In this paper, a methodology for the identification of the critical components of PSVs has been developed, based on the available standard. It is a systematic screening process. The method considers functional redundancy and the consequences of loss of function as criticality criteria at the main and subfunction levels. Furthermore, at the component level, risk tools such as failure modes, effects and criticality analysis (FMECA), and fault tree analysis (FTA) will be applied in order to identify the most critical components. Moreover, the application of the proposed approach will be illustrated by a real case study.

Copyright © 2017 by ASME
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Grahic Jump Location
Fig. 1

Identification of critical components: A systematic flowchart

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Fig. 2

Oil and gas licenses in the West Greenland exploration blocks (see figure in color online)

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Fig. 3

(a) Vessel layout with case-relevant systems highlighted and (b) Tromsø Caster managed by Troms Offshore

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Fig. 4

Subfunction 3 (energy to water) FTA




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