API certified product Sucker rod BOP for oilfield high pressure / Suker Rods Blowout Preventer

API certified product Sucker rod BOP for oilfield high pressure / Suker Rods Blowout Preventer
1.Annular BOP can fully seal the wellhead when there is no string inside the wellbore.

2.Annular BOP can seal the annulus space of the wellhead when there is a string, wire line and cable inside the wellbore.

3.Snubbing can be performed if the butt welding drill pipe has an 18°bevel.

4.Equipped with an energy accumulator, and a tubing coupling can pass through the annular BOP under pressure when well pressure is less than 3Mpa.