Rising centralizing spider

Details Rising centralizing spider Rising centralizing spider

1995-05-15

1996-01-02

Schoeppel, Roger J.

Wells

Submerged well

Submerged, buoyant wellhead or riser

166367, 175 10, 4052244, 441133, E21B 1909

Patent

active

054799902

ABSTRACT:
A mechanical device for centralizing a subsea riser in an opening in a floating drilling vessel. The centralizing device includes at least three arms that are pivotally connected at one end to the vessel and pivotally connected at the other end to a rotating collar with the riser extruding through the collar.

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