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To: KLP who wrote (362578)5/3/2010 8:31:43 PM
From: greenspirit  Read Replies (1) | Respond to of 793955
 
KLP, Mobile Offshore Oil Rigs (MODUS) are tracked by submarines and given a wide safety margin. Their position is updated daily at the NGA website here...
nga.mil

There's a high level effort to automate the process of plotting their position on an ECDIS-N system, however, currently it's a manually process and not all countries are participating in the effort. Errors frequently occur, as some companies fear competitors learning of their drilling location, especially off the coast of Nigeria.

Safely navigating worldwide underwater is a complex process involving a multitude of different sources of information.

Hope this helps a bit...



To: KLP who wrote (362578)5/3/2010 8:56:11 PM
From: Brumar89  Read Replies (1) | Respond to of 793955
 
Steel pipe basically - high strength but flexible:

tenaris.com
tenaris.com

May be sheathed by polymer or carbon fiber material layers:



This is getting beyond my knowledge.

Never heard of a problem with whales or subs - ??? Long things made of steel are flexible - buildings/bridges/towers sway and the same is true here.