# Decommissioning

**URL:** <https://forum.gcaptain.com/t/decommissioning/63014>\
**Category:** Offshore\
**Created:** [May 5, 2022, 12:17pm UTC](https://forum.gcaptain.com/t/decommissioning/63014 "2022-05-05T12:17:58Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![ombugge](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.gcaptain.com/ombugge/32/11217_2.png) [@ombugge](https://forum.gcaptain.com/u/ombugge)\
**Post date:** [August 23, 2026, 8:09pm UTC](https://forum.gcaptain.com/t/decommissioning/63014/21 "2026-08-23T20:09:24Z")

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No that is Sleipnir at another visit to Vats :

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/e/6/e6ad3b8cbd10eeb4059833e5ebccbc36176e257a.jpeg)  
Now that the Brent Alpha jacket has been safely and sustainably transported to Vats, it will end its lifecycle by being over 97% recycled.

> **[Sleipnir | Heerema](https://www.heerema.com/heerema-marine-contractors/fleet/sleipnir)**
>
> Learn everything about Heerema's SSCV Sleipnir.

Here is Thialf in Vats:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/8/8/88180de66b60d988e7acef442e60909eceb083bb.jpeg)  
ll. foto: AF Enviornmental Base Vats **AF Offshore Decom**

> **[Thialf | Heerema](https://www.heerema.com/heerema-marine-contractors/fleet/thialf)**
>
> Learn everything about Heerema' SSCV Thialf.

Both are regulars in Vats, delivering decommissioned equipment from North Sea fields.

PS: The base in Vats is where the Condeep platforms shafts were slip formed:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/9/a/9abcb6725e9b024eabc379de59e962059ae150ce.jpeg)

After the base were constructed in a drydock in Jåttåvågen:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/5/b/5bfad6545a82dfab3128e82bbc5b3fd5c258aa35.jpeg)  
Photo: Øyvind Hagen/Equinor

Reaching full height the platform were towed to Stord:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/1/e/1e46e32e23c7e83ea1675d4952720df5d69cbcac.jpeg)

For mating with the deck:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/d/5/d5d961e9642d21703e630f56b285fa832dc5a75b.jpeg)

And finally towed to the field for installation:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/7/7/770b16c8f749cdc15c26fc98760514d55758aa31.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/a/a/aa0da535e43938eef2675c05b1ad2f6604defc72.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/1/7/178c0c375525849af60cc384e83165062028423a.jpeg)

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<div class="post-metadata">

**Author:** ![244](https://avatars.discourse-cdn.com/v4/letter/2/a3d4f5/32.png) [@244](https://forum.gcaptain.com/u/244)\
**Post date:** [August 23, 2026, 9:19pm UTC](https://forum.gcaptain.com/t/decommissioning/63014/22 "2026-08-23T21:19:48Z")

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Thanks Bug,

Worked with the Thialf when I was Captain on The Englishman.

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<div class="post-metadata">

**Author:** ![ombugge](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.gcaptain.com/ombugge/32/11217_2.png) [@ombugge](https://forum.gcaptain.com/u/ombugge)\
**Post date:** [August 26, 2026, 12:09pm UTC](https://forum.gcaptain.com/t/decommissioning/63014/23 "2026-08-26T12:09:58Z")

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More decommissioning. This time from the other side of the North Sea:

 ![image](https://us1.discourse-cdn.com/flex016/uploads/gcaptain_maritime_forum/original/3X/e/3/e3bfba9a81bcbe46b1d5c85b064ba6cfc5232066.jpeg)  
The Pioneering Spirit carries the North Cormorant platform to Lerwick

> **[World's largest heavy lift vessel carries oil platform to Shetland](https://www.bbc.com/news/articles/cwyey1y9d1wo)**
>
> The Pioneering Spirit is 1253ft long and 407ft wide with a 5,000 tonne crane for lifting the topsides of platforms.

> [@](#):
>
> Brown and Mason Group, which is decommissioning the platform, said it expects to recycle up to 97% of the steel and materials on board.  
> It will take between 12 to 18 months to break up. The company is employing about 30 people on the project.

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