专利名称：Subsea Well Safing System发明人：Charles Don Coppedge,Dana Karl
Kelley,Charles C. Porter,Hildebrand AngieRumann
申请号：US13220593申请日：20110829
公开号：US20120048566A1公开日：20120301
专利附图：
摘要：A subsea well safing method and apparatus adapted to secure a subsea well inthe event of a perceived blowout in a manner to mitigate the environmental damage and
the physical damage to the subsea wellhead equipment to promote the ability toreconnect and recover control of the well. The safing assembly is adapted to connect themarine riser to the BOP stack. Pursuant to a safing sequence, the well tubular is securedin the upper and lower safing assemblies and the tubular is then sheared between thelocations at which it as been secured. Subsequently, an ejection device is actuated tophysically separate the upper safing assembly and connected marine riser from the lowersafing assembly that is connected to the BOP stack.
申请人：Charles Don Coppedge,Dana Karl Kelley,Charles C. Porter,Hildebrand AngieRumann
地址：Houston TX US,Friendswood TX US,Houston TX US,League City TX US
国籍：US,US,US,US
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