Drilling riser braking apparatus and method

Details Drilling riser braking apparatus and method Drilling riser braking apparatus and method

1985-04-08

1986-10-21

Novosad, Stephen J.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166353, 166355, 166367, E21B 1909

Patent

active

046179984

ABSTRACT:
Method and apparatus for use in drilling a well from a floating vessel by means of a riser which connects the vessel's drilling equipment to a wellhead assembly adjacent the ocean floor. Braking apparatus is provided which is capable of arresting the vertical motions of the drilling riser and of securing the upper end of the riser to the vessel whenever the riser is disconnected from the wellhead.

REFERENCES:
patent: 3717002 (1973-02-01), O'Brien et al.
patent: 3771389 (1973-11-01), Goyne
patent: 3860270 (1975-01-01), Arnold
patent: 4456070 (1984-06-01), Watkins
patent: 4527817 (1985-07-01), Persson
patent: 4545437 (1985-10-01), Denison

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