Invention Grant
US08875805B2 Mobile drilling system and a methodology for installation of the system 有权
移动钻井系统和系统安装方法

Mobile drilling system and a methodology for installation of the system
Abstract:
A mobile drilling system comprising a top member with a drilling rig positioned thereon. The top member is removably engaged with a foundation member. The foundation member comprises a tower. The top member is moveable and adapted to be elevated out of the water for placement on top of the tower. The tower is preferably of concrete and extends out of the water and above any ice. A method is also described by which the top member is elevated out of the water either by jacking down legs or lifting by interaction with the tower.
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