Tension adapter assembly for completion riser

Details Tension adapter assembly for completion riser Tension adapter assembly for completion riser

1991-05-09

1992-09-22

Britts, Ramon S.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166355, 166359, E21B 7128

Patent

active

051488710

ABSTRACT:
The improved structure of the present invention is provided to utilize the drilling riser tension ring and rig tensioning to tension a completion riser. A tension sleeve is provide which is secured to the upper end of the completion riser and is designed to have a diameter sufficiently small to allow it to pass through the spider in the rotary table. An adapter tension ring is also provided which is secured to the drilling riser tension ring and has a design allowing the tension sleeve to pass therethrough and be secured therein so that raising the sleeve may raise the adapter tension ring and tension exerted on the drilling riser tension ring or the adapter tension ring may be utilized in tensioning the completion riser.

REFERENCES:
patent: 3791442 (1974-02-01), Watkins
patent: 4403658 (1983-09-01), Watkins
patent: 4428433 (1984-01-01), Watkins
patent: 4557332 (1985-12-01), Denison et al.
patent: 4616707 (1986-10-01), Langner
patent: 4616708 (1986-10-01), da Mota
patent: 4646841 (1987-03-01), Schawann et al.

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