Production riser equipped with a suitable stiffener and with an

Details Production riser equipped with a suitable stiffener and with an Production riser equipped with a suitable stiffener and with an

1997-09-30

1999-10-26

Neuder, William

Wells

Submerged well

Submerged, buoyant wellhead or riser

166367, 4051951, E21B 1700

Patent

active

059710756

ABSTRACT:
A drilling and/or production riser includes on at least part of the length thereof, a stiffener suited to withstand strains induced by the stresses transmitted by the marine environment, those induced by said supporting and guide device, and the strains due to the weight of the loads supported by said stiffener. System intended for production of petroleum effluents from a production site, such as one or more production wells, to a floater having at least one assembly allowing transfer of the effluents from at least one of the production wells to the floater. The assembly includes a production riser equipped on at least part of the length thereof with a float and with at least one stiffener situated above the float and suited to withstand strains induced by the stresses transmitted by the marine environment, those induced by said supporting and guide device and the strains due to the weight of the loads supported by said stiffener.

REFERENCES:
patent: 3496898 (1970-02-01), Morgan
patent: 4176986 (1979-12-01), Taft et al.
patent: 4188156 (1980-02-01), Fisher et al.
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patent: 4505614 (1985-03-01), Anschutz
patent: 4643614 (1987-02-01), Laursen
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patent: 4818147 (1989-04-01), Rasmussen
patent: 4892444 (1990-01-01), Moore
patent: 5615977 (1997-04-01), Moses et al.
patent: 5722492 (1998-03-01), Finn
patent: 5730554 (1998-03-01), Mosley et al.

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