Hyjack platform with buoyant rig supplemental support

Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor

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Details

4051951, 405203, 405204, E02B 1700

Patent

active

055932509

ABSTRACT:
An offshore platform structure is disclosed for temporarily using a jack-up rig for well operations in deepwater applications having a bottom founded jacket base which supports a surface tower which extends above the ocean surface and a subsea rig support interface which is adapted to support the jack-up rig for well operations. At least one selectively buoyant rig support buoyancy tank connected to the rig support interface whereby a portion of the temporary load on the jacket base in supporting the jack-up rig for drilling operations may be alleviated.

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