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2022 2nd Alert Hipo#31 Insert Bushing released with stored energy
At approximately 03:00 hrs on 27th of April 2022 running in hole 9-5/8” casing with well head was in progress. In order to pass the well head through the rotary, crew was removing casing insert bowl using bushing puller attached to utility winch. While Driller operated the winch to pick the same, the lifting ring caught into well head tie down bolt (as shown in the red circle). Suddenly, the line got released with stored energy, causing the tension transmitting below and resulting the insert bowl to rapidly release and fall beside the floor man.
Ensure to have one floor man watching and communicating while operating air winch for any possible stuck points. Ensure the Driller verifies the well Head tie down bolts are removed while RIH through Rotary table. Ensure the Driller verifies well head is minimum 4 – 5 m high while removing the insert bowl to avoid entanglement. Ensure SOP is available for removal of insert bushings. Ensure proper supervision by (RM/NTP) for any critical activates. Always watch for potential entanglement points while operating winch
Bushing chain puller ring was stuck on the well head tie down bolt. The stuck point was not visible for the driller from his position. No intervention by the crew members. TBT had been conducted and discussed about the operation. but SOP doesn’t capture this steps. The floor man was wearing full body harness with fall arrester.


Category:	Second Alerts	Document Type:	Safety
Format:	pptx<br/>	Viewers:	13
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