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re: Why not build a massive containment dome...

Posted on 6/4/10 at 11:47 am to
Posted by ThatsAllSheWrote
Member since Aug 2005
1245 posts
Posted on 6/4/10 at 11:47 am to
quote:

A cofferdam like that was actually Plan A. They tried it and it failed.


That was placed over the broken riser and they didn't plan for the hydrate build up. With lessons learned and increasing the size of the dome seems like they could make that idea work.
Posted by MountainTiger
The foot of Mt. Belzoni
Member since Dec 2008
14670 posts
Posted on 6/4/10 at 1:37 pm to
quote:

That was placed over the broken riser and they didn't plan for the hydrate build up. With lessons learned and increasing the size of the dome seems like they could make that idea work.

Actually they were thinking that the smaller dome (i.e., the top hat) would allow them to inject methanol into it and reduce the hydrate buildup. The top hat was originally Plan B but they didn't try it for some reason and went to the top kill option.
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