Offshore facility for recovery hydrocarbon deposits from deep se

Wells – Submerged well – Submerged – buoyant wellhead or riser

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166367, 405195, E21B 4300

Patent

active

043913326

ABSTRACT:
An improved facility, for the drilling and production of hydrocarbon deposits located in a deep sea bed, includes a central structural column having a bottom end secured to a submarine base mounted on the sea bed and a top end secured to a subsea buoy. A plurality of peripheral tubular conduits are located around the central structural column and connected thereto by a guide device which permits the peripheral tubular amendments to move relative thereto and positions the peripheral tubular conduits in parallel with the central structural column.

REFERENCES:
patent: 3324943 (1967-06-01), Price
patent: 3525388 (1970-08-01), McClintock
patent: 3999617 (1976-12-01), Ilfrey et al.
patent: 4142584 (1979-03-01), Brewer et al.
patent: 4170266 (1979-10-01), Fayren
patent: 4182584 (1980-01-01), Panickey et al.

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