External position indicator of ram blowout preventer

Details External position indicator of ram blowout preventer External position indicator of ram blowout preventer

E - Fixed Constructions

21

B

E21B 33/06 (2006.01)

Patent

CA 2744229

Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting the second chamber; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a piston connected to the rod and configured to move along and within the first chamber; a bonnet configured to receive the piston, the bonnet being detachably attached to the body; and an indicator device partially mounted outside the bonnet and configured to indicate a physical position of the ram block within the body.

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