• J&N 13 5/8
  • J&N 13 5/8

J&N 13 5/8"-5K Annular BOP

Rated Pressure5,000 psi (34.5MPa)

Nominal Size13 5/8" (346mm)

Temperature Range-20℉~250℉ (-29℃~121℃)

Providing Repair Kit for Annular BOP


13 5/8"-5K Annular BOP serves as an important well-control unit to control wellbore pressure and to avoid blowout of oil, gas, water and other fluids for safe operation and environmental protection. It can effectively seal various shapes and sizes of drill pipes, drill pipe couplings, drill collars, casing, etc, and enable well shut with no drilling tools in the well and snubbing in a killed well, suitable for drilling, under-balanced drilling, downhole operation and snubbing. It can be used alone or with ram BOP. The hydraulically actuated packer enables remote control. The large capacity packer design and long service life make the BOP suitable for high pressure well and H2S service conditions.


  • Annular design, compact size, lighter weight
  • Standard upper and lower flange connections
  • Hydraulic remote control and quick response
  • High pressure resistant, reliable sealing performance
  • Packer serves as an auxiliary seal with excellent sealing capability.
  • Enable packer replacement with drilling tools still in the well. 

Main Specifications

Rated Pressure

5,000 psi (34.5MPa)

Nominal Size

13 5/8" (346mm)

Temperature Range

-20℉~250℉ (-29℃~121℃)

Top Connection

6BX 13 5/8"-5K BX160 studded flange

Bottom Connection

6BX 13 5/8"-5K BX160 open flange

Hydraulic Pressure

3,000 psi (20.7MPa)

Recommended Hydraulic Pressure for Sealing off Tubing

1,500 psi (10.5MPa)

Recommended Hydraulic Pressure for Well Shutdown

≤1,500 psi (10.5MPa)

Open Hydraulic Volume:

4,453 in³ (73 L)

Close Hydraulic Volume

6,100 in³ (100 L)

Hydraulic Fitting


Drilling Pipe Size

2 3/8"~9 5/8" (60mm~244 mm)


H2S (EE-0.5)


12,968lbs (5,885kg)

Overall Dimensions

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