Wells – Processes – Assembling well part
Reexamination Certificate
2006-05-09
2006-05-09
Gay, Jennifer H. (Department: 3672)
Wells
Processes
Assembling well part
C166S079100, C166S085400, C414S642000, C414S666000, C414S672000
Reexamination Certificate
active
07040411
ABSTRACT:
Methods and apparatus for handling blowout preventer stacks. In one embodiment the handling system includes a cart, or skid, providing a base platform, a tilting frame, and a lifting frame. The stack is attached to the lifting frame, which is slidingly supported by the tilting frame, which pivots relative to the cart. The cart provides for positional adjustment of the stack in a first horizontal direction, while positional adjustment in a second, perpendicular horizontal direction is provided by a lateral adjustment mechanism coupling the tilting frame and the cart. The lifting frame can be moved vertically relative to the cart and also provides for rotational adjustment of the stack about its central axis.
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H&P FlexRig (4 pgs.) Undated.
Kainer Bryan
Zahn Baldwin
Conley & Rose, P.C.
Gay Jennifer H.
National-Oilwell L.P.
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