Well riser support having elastomeric bearings

Details Well riser support having elastomeric bearings Well riser support having elastomeric bearings

1979-01-29

1980-04-29

Byers, Jr., Nile C.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

With tighteners

A44B 2100

Patent

active

041998472

ABSTRACT:
A well riser support for supporting and guiding an assembly of well riser pipe through a rotary table to facilitate coupling or uncoupling joints of riser pipe to the riser assembly. The support includes a spider assembly containing a plurality of hydraulically actuated dogs for supporting the riser and a plurality of resilient bearings supporting the spider assembly. Each bearing is configured to absorb and distribute loads applied parallel to and transversely of the riser axis, and comprises alternating layers of elastomeric and non-elastomeric materials with the compression axis of the bearing being inclined with respect to the riser axis.

REFERENCES:
patent: 1314960 (1919-09-01), Headrick
patent: 1755986 (1930-04-01), Goetz
patent: 1807286 (1931-05-01), Goetz
patent: 2162714 (1939-06-01), Hamblin
patent: 2560627 (1951-07-01), Boschi
patent: 2655005 (1953-10-01), Kinneman
patent: 3984990 (1976-10-01), Jones
patent: 4039176 (1977-08-01), Jansen

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