Rotary BOP is a necessary equipment for underbalanced drilling. It plays a sealing role between the wellbore annulus and the drill string, and provides safe and effective pressure control. Rotary BOP is mainly composed of rotating assembly, shell, clamp, etc. The rotating assembly is mainly composed of square tile assembly, central tube, bearing, seal, rubber core etc.

Nominal Bore: 11 ″, 13-5/8 ″
Static sealing pressure: 14MPa, 21MPa, 35MPa
Dynamic sealing pressure: 7MPa, 10.5 MPa, 17.5MPa
Number of rubber cores: 1ea, 2ea
Temperature class of metal material: T-0, T-20, T-75
Working medium: oil, natural gas, mud, gas containing H2S and CO2