Sign In
2018 Second Alert - SA003_HiPo03
While the driller was working on the 18 5/8” differential stuck casing, the water bushing box end 300 kg came off from TDS (Top Drive System) crossover sub, causing the casing to drop 8 metres, striking the side door elevator, causing coupling to come off from casing.
Always ensure correct equipment (Spider Elevator) is used for the task Ensure clear communication among all supervisors and staff prior to starting critical operation. Always ensure visual inspection of threaded equipment prior to use Always ensure red zone controls are implemented

Category:Second AlertsDocument Type:Safety
Format:.pptxViewers:11
Download: