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Safety Alert 1 - Well Kick Due to Swabbing

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Notice No. 1 May 1976 WELL KICK DUE TO SWABBING -MAN BREAKS LEG A well kick, during a wiper trip, recently occurred on a floating drilling vessel due to loss of mud column pressure by swabbing. When the expanding gas forced mud out of the riser onto the rig floor, an employee broke his leg by accidentally stepping out

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Issued Date
Year Created
Safety Alert/Bulletin Number
1