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2020 2nd alert HiPo#27 (Drops) wireline cut
While POOH and rig down of tool string in Frac-8, the ledge of tools got engaged and stuck in coiled tubing tower that lead to weak point snapping. As a result, the tool string released from cable and dropped and reset over BOP frame and lower sheave wheel fall to the ground. Due to using single hook crane there should be a relative movement maintain between cable and PCE’s raisers to keep tool positioned and stationary, in case of winch shutdown and stop cable movement, overpull immediately applied to cable if crane keeps moving up.
Ensure No-Go-Zones are properly identified and complied with, and Tool-box talk includes communication plan for all lifting activity and specific tool/activity/setup (CT Tower) risks and risks assessment. Always maintain Clear communication between banksman , crane operator, and winchman must be maintained at all times during lifting activity.
Category:
Second Alerts
Document Type:
Safety
Format:
.pptx
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English