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INCIDENT During lay down 8 ½” bottom hole assembly,  the drilling crew picked up the 6 ½” Jar

INCIDENT During lay down 8 ½” bottom hole assembly,  the drilling crew picked up the 6 ½” Jar from the mouse hole by using a hydraulic winch operated by Derrickman . Once the jar was out of the mouse hole, IP guided the jar in position with his left hand to the V-door

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INCIDENT During lay down 8 ½” bottom hole assembly,  the drilling crew picked up the 6 ½” Jar

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  1. INCIDENT During lay down 8 ½” bottom hole assembly,  the drilling crew picked up the 6 ½” Jar from the mouse hole by using a hydraulic winch operated by Derrickman. Once the jar was out of the mouse hole, IP guided the jar in position with his left hand to the V-door while his right hand was holding the handrails. In the process of lowering the jar into V door, the Jar bounced / swung and hit the IP right hand finger. ROOT CAUSES: Sudden/fast movement of the winch Incorrect Hand position “Jar hit the IP’s right hand” finger Technical design constraint (winch & cathead linked in one hydraulic pump/manifold line, interdependency caused loss of control during operation), Inadequate hazard identification & controls Lateral Learning Ensure Rig Safe Operating Procedure adequately covers hazards of interdependency during simultaneous operations Keep away from potential pinch points. Recommended Actions: Discuss this alert in toolbox talks and HSE meetings and Distribute to all contractors Post on HSE notice boards Include in site HSE induction keep away from potential pinch point. Contact MSE511 for further information or visit HSE website LTI No 53-2010 Alert No 25 January 2011

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