Wells – Processes – Assembling well part
Reexamination Certificate
2011-03-01
2011-03-01
Thompson, Kenneth (Department: 3676)
Wells
Processes
Assembling well part
C166S085400
Reexamination Certificate
active
07896083
ABSTRACT:
A stable vertical lift structure that raises pre-assembled equipment with flexibility in the positioning in relation to the well head location. The invention includes pre-assembled drilling and well-head equipment, such as a blow-out preventer and a stripper assembly supported by a vertical support structure, all of which is transported to the drilling site on a trailer assembly. The pivot point for the pre-assembled equipment is placed on a rail transport mounted on the trailer assembly, and the pivot point is laterally pushed to a locking point on the rail assembly before the pre-assembled equipment is vertically raised to its vertical alignment near the well head. After being raised to its vertical alignment position, the pre-assembled equipment can be placed over the well head at the drilling site. By positioning the pre-assembled equipment using the rail transport, there is flexibility in positioning the trailer relative to the well head and the vertical alignment operation can be conducted with stability.
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Hemingway D. Scott
Hemingway & Hansen LLP
Michener Blake
Thompson Kenneth
LandOfFree
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