Annular BOP With Spherical Packers

Features and benefits

Annular BOP shall be equipped with hydraulic control system.It is usually used with ram BOP and also independently.It can be used for following operation: it can seal variousshape or size of the square pipe, rill rod subs, drill collar,casing and cable etc. When there is no drilling tool in hole,it can seal the wellhead completely. Under the control of thehydraulic control system which is equipped with a depressuringpressure regulating valve or a cushion accumulator, it canforce stripping with 18℃ tool joint connection, joins reliable, strength evenly, simple to assemble and disassemble.

• There is a test hole of piston on the bonnet, to predict the life of packer.
• A dismountable wear plat is equipped on the f top of bonnet, maintenance can be replaced according to the loss of the case.
• The outside of rubber is taper, the ribs distributed on the circumference of radial radiation.
• The inner chamber on the top of piston is taper,which direct contact the conical surface of rubber,the thrust is small while shut it.
• The lip-sealing ring is used at dynamic seal, they have the performance of self sealing.
• Basic Parameters:
  Bore: 9" ~29-1/2"
  Working Pressure: 500psi~10000psi