NO950462L - Subsea pipeline - Google Patents
Subsea pipelineInfo
- Publication number
- NO950462L NO950462L NO950462A NO950462A NO950462L NO 950462 L NO950462 L NO 950462L NO 950462 A NO950462 A NO 950462A NO 950462 A NO950462 A NO 950462A NO 950462 L NO950462 L NO 950462L
- Authority
- NO
- Norway
- Prior art keywords
- pipeline
- length
- buoys
- subsea pipeline
- tubing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
En undervanns-rørlednlng (13) for transport av gass eller olje under høye temperaturer og trykk vil kunne utsettes for kompresjonsbelastninger som medfører bukllng og svikt av rørledningen. Dette kan man unngå ved å gl rørledningen (13) vekslende bøyer over lengden, da dette vil muliggjøre en sideveis bevegelse av rørledningen med tilhørende avlastning av l hvert fall noe av de l lengderetningen virkende kompresjons- krefter. En bøyet rørledning tilveiebringes ved at det tilveiebringes en rørledning (13) med utgangspunkt l rette rørseksjoner, hvoretter denne rørledning gis vekslende, dvs. i motsatt retning rettede bøyer. Rørledningen legges så i sjøen. Bøyene kan tilveie- bringes ved hjelp av par av kraftanordninger (15a,15b, 16a,16b,17a,17b) anordnet langs lengden av rørledningen (13) og beregnet til å påvirke diametralt motliggende sider av rørledningen (13).An underwater pipeline (13) for transporting gas or oil under high temperatures and pressures could be subjected to compressional loads which cause the piping and failure of the pipeline. This can be avoided by sliding the tubing (13) alternating bends over the length, as this will allow a lateral movement of the pipeline with associated relief of at least some of the compression forces acting in the longitudinal direction. A bent pipeline is provided by providing a pipeline (13) with the starting point in straight pipe sections, after which this pipeline is provided alternately, that is, in the opposite direction. The pipeline is then laid in the sea. The buoys can be provided by pairs of power devices (15a, 15b, 16a, 16b, 17a, 17b) arranged along the length of the pipeline (13) and intended to influence diametrically opposed sides of the pipeline (13).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9402343A GB2287297B (en) | 1994-02-08 | 1994-02-08 | Undersea pipelines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO950462D0 NO950462D0 (en) | 1995-02-08 |
| NO950462L true NO950462L (en) | 1995-08-09 |
Family
ID=10750011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO950462A NO950462L (en) | 1994-02-08 | 1995-02-08 | Subsea pipeline |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB2287297B (en) |
| NO (1) | NO950462L (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO314056B1 (en) | 2001-01-19 | 2003-01-20 | Statoil Asa | Method of laying a pipeline on the seabed by the coiling method, for controlled thermal expansion |
| US6554538B2 (en) | 2001-07-03 | 2003-04-29 | Torch Offshore, Inc. | Reel type pipeline laying ship and method |
| US6702519B2 (en) | 2001-07-03 | 2004-03-09 | Torch Offshore, Inc. | Reel type pipeline laying ship and method |
| US6733208B2 (en) | 2001-07-03 | 2004-05-11 | Torch Offshore, Inc. | Reel type pipeline laying ship and method |
| US6761505B2 (en) | 2002-01-15 | 2004-07-13 | Torch Offshore, Inc. | Reel type pipeline laying ship and method |
| FR3042577B1 (en) * | 2015-10-20 | 2017-12-08 | Itp Sa | METHOD FOR INSTALLING A PIPELINE AND BARGE FOR IMPLEMENTING SAID METHOD |
| GB2593510B (en) * | 2020-03-25 | 2022-07-27 | Equinor Energy As | Residual curvature method to mitigate pipeline buckling |
-
1994
- 1994-02-08 GB GB9402343A patent/GB2287297B/en not_active Expired - Fee Related
-
1995
- 1995-02-08 NO NO950462A patent/NO950462L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB9402343D0 (en) | 1994-03-30 |
| NO950462D0 (en) | 1995-02-08 |
| GB2287297A (en) | 1995-09-13 |
| GB2287297B (en) | 1997-06-25 |
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