Transcription of The “Everywhere” Hazard Dropped Object
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The “Everywhere” Hazard Dropped Object
The Everywhere HazardDropped Object IADC Conference 23-24 March 20112 Ensco Asia Pacific Rim APRHad53 Dropped Object Cases in 2009with a percentage of 21%of all UPEHad23 Dropped Object Cases in 2010 YTD with a percentage of all UPEALL Dropped Objects must be reported as High PotentialLevel 2 incidentas they could cause a major injuryDropped Object3 Summary of anticipated Dropped Object cases: Unsecured Objects fall from Derrick(Top drive parts, Dolly roller pins, Elevator parts, Bolts/nuts, Derrick Lights, Standpipe bolts, Drill string parts such as clamps) UnsecuredLifting Gearduring Crane Lifting operations Falling pieces of Scaffolding Falling objects from Persons Hands Broken straps of Nylon bagsthat used to lift protectorsDropped Object4 Summary of anticipated Dropped Object cases : Lifting Hook release Falling objects during Wire Line/Coil Tubing operations Unsecured objects fall from beneath
Dropped Object Height 35 Mass 12 Outcome DAFWC Assumptions for use: 1. All potential energy from a object initially at rest is transferred to kinetic energy when dropped.
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