Blow out preventer handling system

Details Blow out preventer handling system Blow out preventer handling system

1976-10-04

1978-03-28

Foss, J. Franklin

Supports

Pipe or cable

Extending through plate

173165, 248 19, H02B 500, F04B 3504

Patent

active

040811638

ABSTRACT:
A system for testing and installing a blow out preventer on a floating vessel and offshore drilling rigs, although the system may be used on other rotary drlling rigs, is disclosed. Retractable rotary table supporting beams are disposed over the moon pool and the rotary table is releasably connected to them. Retractable sub-structure beams are provided below the rotary table so that means provided to move the assembled blow out preventer can move it through an opening in the derrick and over the moon pool when the rotary beams are retracted. Retractable moon pool skid beams are provided which support the blow out preventer when skidded through the moon pool opening in the sub-structure.

REFERENCES:
patent: 1218192 (1917-03-01), Layne
patent: 2739773 (1956-03-01), Rougemont
patent: 3036375 (1962-05-01), Schlosser et al.
patent: 3066449 (1962-12-01), Cramer
patent: 3268996 (1966-08-01), Luketa
patent: 3590263 (1971-06-01), Haug et al.

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