FPSO   15 comments

My short break at Cholmondeley Castle is over and I’m back at work, I flew out to the Gryphon Alpha FPSO (Floating Production Storage and Offloading) vessel yesterday.
We are positioning the FPSO back on its original position after what happened
last year.
During high waves and wind speeds of 56 knots, the Gryphon FPSO lost its heading and began turning so that the wind battered its sides. The FPSO began rocking. At some point in this sequence of events the FPSO began moving off its position. Power was also lost for 30 seconds.
These events lasted 10 minutes, by the end of which the FPSO had moved off its usual position. The oil and gas wells on the sea bed were shutdown immediately. However, in that short time, four of the ten anchors broke and serious damage, was sustained to some of the piping system.

All anchor chains and the various piping, which transports oil to the FPSO, injects gas into reservoirs, or sends controls and signals to and fro, are connected up through the FPSO’s turret, a central circular section in the middle of the FPSO.
The cool bit is the turret always stays facing in the same direction so that the various connections do not get entangled, the FPSO can rotate around it in order to always face into the wind. This ensures the stability of the entire FPSO and the piping system.


Photo from the web.

Posted September 6, 2012 by rigmover in My Work

Tagged with , ,

15 responses to “FPSO

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  1. This is going to be very interesting -learning some of the things we don’t even know we don’t know!

  2. We turn on the gas, or go to the petrol station completely oblivious of the huge technical skills and ingenuity that is behind the continuity of supply.

  3. Wonderful blog! I love the pictures!

  4. Hi there, I came to your blog through a google alert on the “FPSO” keyword.

    I’m an engineer that is now transitioning, from a power background into a oil & gas one, and I’m now working on the design of some large FPSOs. But I still haven’t seen one up close and personal, so it was nice to see your picture and your description of the turret which is spot on.

    Anyway, great pictures, I’ll definitely keep an eye on this blog.

    Take care!

  5. very cool, the engineer geek in me loves this stuff 🙂

  6. Great shot of a big ship in a very big ocean!

  7. The picture of her is a library picture & had been severely air brushed for a Maersk magazine PR shoot, i worked on her for nearly 10yrs & was one of the 40 essential personnel who stayed on her after the storm hit us..!
    check out issue 81 of the Blowout magazine for a very accurate account of what happened to her, just type into google ” Blowout Gryphon Alpha” its a PDF file of what was said in the Blowout magazine.

  8. Have you ever considered publishing an e-book or guest authoring on other blogs?
    I have a blog based upon on the same ideas you discuss and would love to have you share some stories/information. I know
    my subscribers would appreciate your work. If you are even remotely
    interested, feel free to send me an email.

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