Abstract
Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 specifies methodologies for
- the design, analysis and evaluation of stationkeeping systems for floating structures used by the oil and gas industries to support production, storage, drilling, well intervention and production, production and storage, drilling, well intervention, production and storage, and
- the assessment of stationkeeping systems for site-specific applications of mobile offshore units (e.g. mobile offshore drilling units, construction units, and pipelay units).
Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 is applicable to the following types of stationkeeping systems, which are either covered directly in Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 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 an informative annex.
The requirements of Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 mainly address spread mooring systems and single point mooring systems with mooring lines composed of steel chain and wire rope. Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 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.
Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 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.
Ïã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013 is not applicable to the vertical moorings of tension leg platforms (TLPs).
General information
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Status: PublishedPublication date: 2013-05Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 184
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Technical Committee :Ïã¸ÛÁùºÏ²Ê¿ª½±/TC 67/SC 7ICS :75.180.10
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Life cycle
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Previously
WithdrawnÏã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2005
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Now
PublishedÏã¸ÛÁùºÏ²Ê¿ª½± 19901-7:2013
A standard is reviewed every 5 years
Stage: 90.92 (To be revised) -
Will be replaced by
Under developmentÏã¸ÛÁùºÏ²Ê¿ª½±/DIS 19901-7
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