Annular Blowout Preventer
 

KINGWEL Annular Blowout Preventer Features & benefits:
 

Annular BOP is an important part of well-control equipments. It mainly applies to control wellhead pressure during drilling workover operations and formation testing etc to prevent well blowout effectively and realize safe construction. Annular BOP shall be equipped with hydraulic control system. It is usually used with ram BOP and also independently.

Annular BOP consists of the body, upper housing, dust-proof ring, piston and packing elemant etc. It can seal all size of kelly, drill pipes, drill pipes subs, drill collar, casing strings and cables in various shapes.

Usages:
 

When there is no drilling tool in hole, it can seal the wellhead completely.

It can seal any size of annular space with a kind of rubber if there is a drilling tool, tubing or casing in hole.

When the well blowout and overflow happens during drilling, coring or well logging, it can seal the annular spaces between Kelly, coring tools, cable, wireline and wellbore.

Under the control of the hydraulic control system which is equipped with a depressuring pressure regulating valve or a cushion accumulator, it can force stripping with 18°tool joint.
 

Category:
 

Annular BOP using the spherical packing element

Annular BOP using the conical packing element

Annular BOP using the Combined packing element
 

KINGWEL Annular Blowout Preventer Techincal Data:
 

Bore Size: 7 1/16～21 1/4 3/4(180mm～540mm)

Working Pressure: 14~105Mpa(2000~15000Psi)