Offshore drilling rig transfer

Details Offshore drilling rig transfer Offshore drilling rig transfer

1989-12-28

1990-11-27

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With horizontally movable work deck

405196, 405195, E02B 1700

Patent

active

049731980

ABSTRACT:
Method and apparatus for transferring a derrick from a jack-up rig to an offshore platform are disclosed which include positioning the rig and platform next to each other, providing an elevator pad on the platform that is set at the same level as the deck of the rig, installing skid beams between the deck of the rig and the top of the elevator pad, skidding the rig from the rig to the pad, and lowering the pad and derrick to the normal level of the platform for use in drilling operations.

REFERENCES:
patent: H488 (1988-07-01), Rowan
patent: 3477235 (1969-11-01), Branham et al.
patent: 4103503 (1978-08-01), Smith
patent: 4655641 (1987-04-01), Weyler
patent: 4668127 (1987-05-01), Steele
patent: 4729695 (1988-03-01), Silvestri
patent: 4739840 (1988-04-01), Cox
patent: 4753553 (1988-06-01), Carlsen et al.
patent: 4826355 (1989-05-01), Marion
patent: 4848967 (1989-07-01), Weyler

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