Subsea riser system

Details Subsea riser system Subsea riser system

1976-09-15

1978-07-18

Shapiro, Jacob

Wells

Receptacles

With separate air chamber having openable passage

61 95, 61111, 9 8P, 166 5, E02B 1700

Patent

active

041007522

ABSTRACT:
A subsea riser system for conducting petroleum or other fluid from the ocean floor to a floating loading and storage terminal or other facility at the water surface. The bottom end of the riser is connected to a subsea base by a hydraulic connector, and the lower portion of the riser is supported in tension between the subsea base and a submerged tension leg platform. The portion of the riser between the submerged platform and the floating terminal is flexible to accommodate relative movement between the platform and terminal, this flexibility accomplished by means of a series of pipe swivel joints spaced along the riser.

REFERENCES:
patent: 2269431 (1942-01-01), Allen et al.
patent: 2731234 (1956-01-01), Bily
patent: 3196958 (1965-07-01), Travers et al.
patent: 3359741 (1967-12-01), Nelson
patent: 3500904 (1970-03-01), Watkins et al.
patent: 3551005 (1970-12-01), Brun
patent: 3605413 (1971-09-01), Morgan

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