Annular blowout preventer

BOP
• blowout preventer is used to close the wellhead oil test, workover, well completion and operation process, prevent blowout accident occurred, will be closed and semi closed two functions into one, has the advantages of simple structure, easy operation, high pressure resistance and other characteristics, is to prevent security seal the well blowout opening device used in.
Annular blowout preventer
• working pressure: 5000PSI (35MPa)
• working temperature: -29 ℃ ~121 ℃ (class T-20)
• model: FH35-35
• nominal diameter: 346mm (13.5/8 “)
• control pressure: 1500PSI (10.5MPa)
A single gate, double ram BOP
• working pressure: 10000PSI (70MPa)
• working temperature: -29 ℃ ~121 ℃ (class T-20)
• model: FZ35-70
• nominal diameter: 346mm (13.5/8 “)
• control pressure: 1500PSI (10.5MPa)
• piston stroke: 197.5mm
• well sealing speed: less than 30 seconds

About Us

Drilltech Manufacturing Company is a professional company engaged in R&D, design manufacturing of blowout preventers (BOP), diverters, electromagnetism eddy current brakes and hydraulic disc brakes and Silicon control rectify system(SCR) for offshore and onshore drilling operations.We have provided our products and services applied in offshore platforms,land rigs well testing,well test mining,coal bed methane extraction,shale gas exploitation,to many countries Such As the United States, Norway, Canada, Russia, Iran, Dubai, India, Indonesia, Azerbaijan and others.The quantity of well control systems we supplied specializing in drilling platform has been ranked third in the world.Among our products,49 1/2” diverter for offshore drilling operation is the most remarkable which has been patented with 9 items,Moreover,Drilltech is the second supplier that owns this technology after the GE company in the world.

Our Factory

Contact Us

  • DRILLTECH MANUFACTURING CO.,LTD.
  • +86 15532811817dtc11@drilltech.cn
  • Xinhua industrial zone, Juguan county, Xinhua District, Cangzhou City, Hebei Province, CHINA.
  • Copyright © 2026 DRILLTECH MANUFACTURING CO.,LTD.