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In 2009, Cameron delivered the industry’s first 20,000-psi large-bore drilling BOP stack. Building on its leading high-pressure technology, Cameron delivered the industry’s first 25,000-psi large-bore drilling BOP stack in 2010 and a second one in 2014. Today, Cameron is still the only provider to develop a field-proven 25,000-psi BOP.


  • 13 5/8-in design with 25,000-psi working pressure
  • Shell tested to 1.5 times working pressure
  • Close ratio = 9:1
  • Hydraulic operating system rated to 5,000 psi
  • Operating system that is similar to that of EVO compact, offshore ram-type BOP with wedge lock technology
  • Qualified according to API 16A, 3rd Edition and ASME Section VIII, Division 3, 2010 Edition