Pipe joints or couplings – Frangible element
Patent
1993-08-26
1999-11-09
Arola, Dave W.
Pipe joints or couplings
Frangible element
285 39, 166 55, 166298, 166361, F16L 3500
Patent
active
059799439
ABSTRACT:
The present invention refers to a completion riser joint (1) shearing by the shear ram of the blow-out preventer (BOP) (2), to be coupled, at its lower part, to the column hoist running tool and, at its upper part, to the completion riser column, the referred shearing completion riser joint (1) comprising upperly a riser bolt (3), connected at its lower portion to an access pipe (4) to the production column, shearing by the shear ram of the BOP (2), enveloped by hydraulic lines (5, 6) that allow the actuating of the column hoist running tool and the access to the annular, the referred pipe (4) being connected lowerly to a re-entry mandrel (8), which function is to allow the locking of the recovery tool (12) and, through it, allow the hydraulic continuity for actuating the unlocking function of the piping hoist and, following, its release, and lowerly to a riser box (9) on top of the piping hoist running tool.
REFERENCES:
patent: 4181196 (1980-01-01), Darby et al.
patent: 4332509 (1982-06-01), Reynard et al.
patent: 4703802 (1987-11-01), Bryan et al.
patent: 5044826 (1991-09-01), Forster
patent: 5400857 (1995-03-01), Whitby
Moreira Jose Roberto Ferreira
Ribeiro Orlando Jose Soares
Arola Dave W.
Petroleo Brasileiro S.A. - Petrobras
LandOfFree
Shearable completion riser joint does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Shearable completion riser joint, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shearable completion riser joint will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1446113