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Message Subject Unconfirmed Rumor - Shell Deepwater Mars platform broke free in the storm?
Poster Handle Anonymous Coward
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That is what I known as a semi submersible drilling platform. If it was drilling, they can disconnect the drill string and riser pipe and move the ship. The drillstring is inside of the riser. The riser pipe has buoyancy sections so it will remain in an upright position while still being attached to the blowout preventer.
 Quoting: Anonymous Coward 78704550


So does that mean it can't float away or sink ?
 Quoting: Anonymous Coward 80687358


They have thrusters called azimuthing thrusters that keep them on station during drilling operations. So they can move around. Many of these rigs can operate in cat 1 maybe cat 2 hurricanes. They probably wouldn't but they are built like a brick ####house.
 Quoting: Anonymous Coward 78704550


This rig doesn't have thrusters or any other propulsion. It is a tension leg platform, meant to be stationery.
 Quoting: Anonymous Coward 80145091


Just read that. Yep, it's a TLP. I worked on several DP rigs. The semi-subs look similar.
 
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