Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent
1983-11-30
1985-06-25
Novosad, Stephen J.
Wells
Submerged well
Connection or disconnection of submerged members remotely...
166360, 166367, E21B 1701, E21B 1707, E21B 33038, E21B 33076
Patent
active
045248320
ABSTRACT:
A system and method for installing a fluid flow controller and telescoping spools beneath an offshore bottom supported drilling rig rotary table is disclosed. Upper and lower telescoping spools are provided for initially connecting a Diverter/BOP convertible fluid flow controller between structural casing in the well and a permanent housing beneath the drilling rig rotary table. Clamp means are provided for clamping the rig vent line to an opening in the housing wall of the fluid flow controller during drilling of the borehole through the structural casing in preparation for setting and cementing the conductor casing. In that mode, the system is adapted as a diverter system. After the well is drilled for the conductor casing and the conductor casing is cemented and cut off at its top, a mandrel is fitted at the top of the conductor casing to which the lower end of the lower spool may be connected. The system may be used in this configuration as a diverter system, or after removal of the vent line and connection of a kill line to the housing outlet, the system may be used as a low pressure blowout preventer system.
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Catalog 822 of the Hydril Company, published 1982.
Brochure for the KFDJ Platform Diverter System of Hughes Offshore Company, copyright 1983.
Alexander Gabriel G.
Carbaugh William L.
Roche Joseph R.
Hydril Company
Kisliuk Bruce M.
Novosad Stephen J.
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