[BITList] Fw: ballast

[franka]

Colin,
can only add that there is no difficulty with pumping drilling mud up to 
16Lb per gallon as ordinary centrifugal pumps are used to transport it 
around the rigs on the surface subsea is a different matter
frank
On 8/25/2012 9:14 PM, x50type at cox.net wrote:fu
> So – no one knows anything about ballast?
> ct
> *From:* x50type at cox.net <mailto:x50type at cox.net>
> *Sent:* Friday, August 24, 2012 7:04 AM
> *To:* BITList <mailto:BITList at lists.bcn.mythic-beasts.com>
> *Subject:* ballast
> Discussing over lunch yesterday container ship permanent ballast, 
> particularly the latest mega container ships.
> One attendee opined that drilling mud was used.................as it 
> was heavy/dense. This was doubted by others because it is very 
> expensive and probably difficult to pump.
> My research revealed little - there was mention of coal slurry.
> Can anyone throw some light on this topic of permanent ballast?
>
> Colin
>
>
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