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Key Project

Bear Drilling / Accumulator BOP Controls

A safety-critical PLC accumulator control system with dual touchscreens and two-hand operation for a walking rig.

Project Summary

Safety-critical accumulator control for a walking rig

The accumulator had to sit at the rig center piece, with specific design features required to meet regulatory requirements.

ACE built APEX Accumulator Controls: a PLC control system with a driller’s display and a second remote display in the drive house, including fire-retardant cabling and battery backup. Both 15-inch touchscreens require two-hand operation as a built-in safety to prevent accidental function operation.

The design let the drilling operator meet all regulatory requirements to move the accumulator to the rig center piece and improve operations with a walking rig.

Outcome

Regulatory-ready control for a moving accumulator

The accumulator had to move to the rig center piece while meeting strict regulatory design requirements.

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