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API 7-1 Well Control

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Upper Inside Blowout Preventer (Upper IBOP)


Upper Inside Blowout Preventer (Upper IBOP) is an API 7-1 well control valve installed at the upper position of the drill string, typically integrated with top drive systems, providing fast internal pressure isolation during drilling operations.

Lower Inside Blowout Preventer (Lower IBOP)


Lower Inside Blowout Preventer (Lower IBOP) is an API 7-1 well control valve installed at the lower position of the drill string, designed to withstand high pressure and torque while proving reliable internal shut-off during critical well control situations.

Inside Blowout Preventer (IBOP)


Inside Blowout Preventer (IBOP) is an API 7-1 well control valve installed in the drill string to stop backflow and isolate pressure during tripping, workover, or emergency well control operations. UNIONLEVER OFS supplies TIW-type equivalent IBOPs with OEM / interchangeable design, optional H2S service trim, and repair / redress kits for fast on-site maintenance.

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