Apparatus and method for supporting the free end of a cantilever

Details Apparatus and method for supporting the free end of a cantilever Apparatus and method for supporting the free end of a cantilever

1991-08-23

1993-09-28

Britts, Ramon S.

Boring or penetrating the earth

Boring a submerged formation

Boring from nonbuoyant support

405198, 405226, E21B 7136

Patent

active

052480038

ABSTRACT:
A cantilevered jack-up rig having a support for supporting the free ends of the rig's cantilever beams when said beams are extended over a platform to be serviced by the rig, thereby maximizing the lateral reach of the rig and increasing the load capacity at the maximized reach. The support is positioned between the top of the platform and the bottoms of the extended cantilever beams. The top of the support is provided with a motion block to facilitate lateral and rotational motion of the extended cantilever beams relative to the support.

REFERENCES:
patent: 3477235 (1967-12-01), Branham et al.
patent: 4483644 (1984-11-01), Johnson
patent: 4583881 (1986-04-01), Steele
patent: 4739840 (1988-04-01), Cox
patent: 4973198 (1990-11-01), Cox
patent: 5032040 (1991-07-01), Ingle

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