HSE: Motor Failure Caused Drill Rig to Drop a Blowout Preventer
The drawworks on the drill rig Deepsea Atlantic dropped a blowout preventer and 400 feet of riser onto the seabed in an uncontrolled lifting failure in April, all because of a single motor failure, according to the UK Health and Safety Executive (HSE). On April 18, Deepsea Atlantic's crew was running a blowout preventer riser on Drawworks A, one of two identical drawworks on the vessel. At about 2100 hours, one motor on the drawworks tripped, followed shortly after by...
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