Hydraulic and earth engineering – Marine structure or fabrication thereof – With horizontally movable work deck
Patent
1990-02-12
1991-07-16
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With horizontally movable work deck
405208, 14 28, 14725, 4141379, 4141381, E07B 1704
Patent
active
050320408
ABSTRACT:
A jack-up rig includes a cantilever beam assembly and a drilling module is mounted on the cantilever beam assembly. The jack-up rig also includes means for moving the cantilever beam assembly from the storage position to extended positions wherein a rearward end of the cantilever beam assembly is extended from the jack-up rig. The fixed platform comprises a fixed platform support structure having a drilling module support surface and a beam opening. The jack-up rig is positioned near the fixed platform with the cantilever beam assembly generally aligned with the beam opening in the fixed platform support structure. The cantilever beam assembly then is extended through a portion of the beam opening to an extended position wherein the drilling module is supported on the cantilever beam assembly a distance generally above the drilling module support surface. The jack-up rig then is lowered to a position wherein the drilling module is supported on the fixed platform support structure. The cantilever beam assembly then is withdrawn from the beam opening and moved to the storage position thereby leaving the drilling module supported on the drilling module support surface of the fixed platform support structure. A bridge is movably connected to the fixed platform and the jack-up rig. A floor is removably supported on the cantilever beam assembly generally below the drilling module.
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Hanegan Herbert M.
Olsen Arlen L.
Taylor Dennis L.
Transworld Drilling Company
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