E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/06 (2006.01)
Patent
CA 2572478
A blowout preventer comprising a body with a bore therethrough and at least one bonnet securable to the body and a mount apparatus arranged between the body and the at least one bonnet characterised in that said side mount apparatus comprises a track on which said at least one bonnet is movable in relation to said body.
L'invention concerne un obturateur anti-éruption comprenant un corps (12) pourvu d'un trou de forage (14) le traversant et au moins un chapeau (16, 18) pouvant se fixer au corps (12) et un appareil de montage (20) installé entre le corps (12) et les chapeaux (16, 18). Ledit appareil de montage latéral comprend un chemin (20) sur lequel les chapeaux (16, 18) peuvent se déplacer par rapport audit corps (12).
Brugman James D.
Ensley Eric T.
Springett Frank Benjamin
Mcfadden Fincham
Varco I/p Inc.
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