专利名称：ICE WORTHY JACK-UP DRILLING UNIT WITH
GAS AGITATED ICE PREVENTION
发明人：Peter G. Noble,Randall S. Shafer,Dominique
P. Berta
申请号：US13279062
申请日：20111021
公开号：US20120128431A1
公开日：
20120524
专利附图：
摘要：The invention relates to an ice worthy jack-up rig that may extend the drilling season in shallow water off shore Arctic or ice prone locations. The inventive rig would
work like a conventional jack-up rig while in open water with the hull jacked up out of the water. However, in the event of ice conditions, the legs are held in place by cans embedded in the sea floor to resist lateral movement of the rig and the hull is lowered into the water into an ice defensive configuration. The hull is specifically shaped with an ice-bending surface to bend and break up ice that comes in contact with the hull while in the ice defensive configuration.
申请人：Peter G. Noble,Randall S. Shafer,Dominique P. Berta
地址：Spring TX US,Houston TX US,Katy TX US
国籍：US,US,US
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