Marine conductor string provided with a connector and a connecto

Details Marine conductor string provided with a connector and a connecto Marine conductor string provided with a connector and a connecto

1979-09-07

1981-02-10

Novosad, Stephen J.

Wells

Submerged well

Riser

166334, 251344, E21B 1701, E21B 1708, E21B 3416

Patent

active

042496110

ABSTRACT:
A marine conductor string, wherein its lower part is provided with a connector. The connector comprises first and second coaxial tubular elements, a sleeve fixed to said first tubular element and axially displaceable relative to a second tubular element. The connector is furthermore provided with a fluid passage in the sleeve or in the second tubular element. Said fluid passage is so arranged that, by axial displacement of the sleeve relative to the second tubular element, a fluid communication between the interior of the conductor string and the water surrounding the conductor string can be created or eliminated. The invention relates as well to a connector suitable for use in the said conductor string.

REFERENCES:
patent: 1601676 (1926-09-01), Burright
patent: 2337429 (1943-12-01), Tomlinson
patent: 2531943 (1950-11-01), Lee
patent: 2906493 (1959-09-01), Whitener
patent: 3252518 (1966-05-01), Tye, Jr.
patent: 3768562 (1973-10-01), Baker
patent: 4103739 (1978-08-01), Hall

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