Accumulator BOP control system, also called as BOP closing unit, is on important system in drilling and work-over  operation. As per different working conditions, accumulator BOP control system can be pneumatic, hydraulic or electric control.

All accumulator BOP control system (BOP closing unit) that PPGL provides are made according to API Spec 16D, they can be used to replace Koomey closing unit (Koomey accumulator). Customized BOP closing unit can be available as well.