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MSZ EN ISO 19901-7:2013

Dokumentumazonosító

156696

Cím

Kőolaj- és földgázipar. Part menti létesítmények jellegzetes követelményei. 7. rész: Úszó, part menti létesítmények és mobil part menti egységek állomásfenntartó rendszerei (ISO 19901-7:2013)

Angol cím

Petroleum and natural gas industries. Specific requirements for offshore structures. Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units (ISO 19901-7:2013)

Alkalmazási terület

This part of ISO 19901 specifies methodologies for a) the design, analysis and evaluation of stationkeeping systems for floating structures used by the oil and gas industries to support 1) production, 2) storage, 3) drilling, well intervention and production, 4) production and storage, 5) drilling, well intervention, production and storage, and b) the assessment of stationkeeping systems for site-specific applications of mobile offshore units (e.g. mobile offshore drilling units, construction units, and pipelay units). Most stationkeeping systems used with the class of floating structures covered by a) are termed “permanent mooring systems”, for which this part of ISO 19901 is applicable to all aspects of the life cycle and includes requirements relating to the manufacture of mooring components, as well as considerations for in-service inspections. Most stationkeeping systems used with mobile offshore units, the class covered by b), are termed “mobile mooring systems”. Throughout this part of ISO 19901, the term “floating structure”, sometimes shortened to “structure”, is used as a generic term to indicate any member of the two classes, a) and b). This part of ISO 19901 is applicable to the following types of stationkeeping systems, which are either covered directly in this part of ISO 19901 or through reference to other guidelines: - spread moorings (catenary, taut-line and semi-taut-line moorings); - single point moorings, anchored by spread mooring arrangements; - dynamic positioning systems; - thruster-assisted moorings. Descriptions of the characteristics and of typical components of these systems are given in Annex A. The requirements of this part of ISO 19901 mainly address spread mooring systems and single point mooring systems with mooring lines composed of steel chain and wire rope. This part of ISO 19901 also provides guidance on the application of the methodology to synthetic fibre rope mooring systems, and includes additional requirements related to the unique properties of synthetic fibre ropes. This part of ISO 19901 is applicable to single anchor leg moorings (SALMs) and other single point mooring systems (e.g. tower soft yoke systems) only to the extent to which the requirements are relevant. This part of ISO 19901 is not applicable to the vertical moorings of tension leg platforms (TLPs). The methodology described in this part of ISO 19901 identifies a set of coherent analysis tools that, combined with an understanding of the site-specific metocean conditions, the characteristics of the floating structure under consideration, and other factors, can be used to determine the adequacy of the stationkeeping system to meet the functional requirements of this part of ISO 19901. NOTE For moorings deployed in ice-prone environments, additional requirements are given in ISO 19906.

ICS

75.180.10 Kutató-, fúró- és kitermelőberendezések

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2013-09-01

Forrás

idt EN ISO 19901-7:2013; idt ISO 19901-7:2013

Előd

MSZ EN ISO 19901-7:2006

Utód

Módosítás

Kiegészítő információk

SZK-közlemények

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