Rotating blowout preventer apparatus

Details Rotating blowout preventer apparatus Rotating blowout preventer apparatus

E - Fixed Constructions

21

B

166/50

E21B 33/06 (2006.01) E21B 33/08 (2006.01) E21B 43/00 (2006.01) F16J 15/34 (2006.01)

Patent

CA 1080615

ABSTRACT Rotary blowout preventer apparatus includes: a) an upright tubular body adapted to receive an annular packer to be constricted about a rotating well element, b) and a rotary annular assembly carried in the body to rotate relative thereto and with the packer when the packer is constricted about said rotating element, said assembly including an actuator movable in the body to effect said constriction of the packer, c) said assembly also including an annular head member having a shoulder located to receive vertical thrust exerted by the packer when the actuator effects constriction thereof.

297820

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