Riser tensioner

Details Riser tensioner Riser tensioner

1980-06-19

1983-04-12

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

405303, B63B 3544

Patent

active

043796575

ABSTRACT:
A modular riser tensioner has a frame (10) for mounting on a platform deck with air (16,18) and oil (20,22) accumulators mounted on a mounting frame and connected to cylinders (24-30) also on the mounting frame. A piston (32) located within the cylinders carries a riser tensioning ring (50) for supporting the riser. Pairs of cylinders are located on opposite sides of the riser and connected to an oil accumulator independent of the other cylinders.

REFERENCES:
patent: 2841961 (1958-07-01), Lucas
patent: 3171259 (1965-03-01), Roussel
patent: 3378086 (1968-04-01), Kivisld
patent: 3718316 (1973-02-01), Larralde et al.
patent: 3955621 (1976-05-01), Webb
patent: 4004532 (1977-01-01), Reynolds
patent: 4121806 (1978-10-01), Iato et al.
patent: 4142584 (1979-03-01), Brewer
patent: 4213720 (1980-07-01), Portass
Vetco Offshore, Inc., Catalog, pp. 5890, 5891.
ETA Chapter from "The Technology of Offshore Drilling", Completion and Production, Compiled by ETA Offshore Seminars, Inc.

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