Spy high -pressure blowout preventer that drains

Spy high -pressure blowout preventer that drains, the lubricator that connects gradually through the flange dish including top -down, tee bend and drill way pipe, the horizontal exit of three -way is equipped with the valve, lower extreme in the lubricator is filled has the packing, the top of lubricator is equipped with the ring flange stamper, ring flange stamper endotheca is equipped with flange plate dish, ring flange stamper and flange plate dish are connected through the fastener, the lower extreme of flange plate dish stretches into interior and the packing apical grafting of lubricator, the middle part of flange plate dish and packing is equipped with the through -hole that supplies the drilling rod to pass. The utility model discloses the blowout of the large -traffic water under high pressure of in -process can be prevented to drill, at 200m3h and including husky, the drilling of pressure within 8MPa, the swelling play is accessible time prevented to gushing the water yield behind the use the device