Annular BOP

Annular BOP consists of the body, upper housing, dust proof ring, piston and packing element etc, it can seal all sizes of Kelly, drill pipe, tool joint, drill collar, casing & cable, etc, it can also completely shut off and seal the wellbore when there is not any drilling tool in the well-hole. When BOP using accumulators allow the 18º/35º non-fine threaded tool joint pass through to carry out snubbing operation.


RS-D:    Annular BOP using the Spherical packing element.

RS-A:    Annular BOP using the Conical packing element its upper housing and body are connected by radial latch for easy load and unload

RS-D Annular BOP

RS-A Annular BOP

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