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2019 Second Alert HiPo#18 DROPs
After jarring, during RIH 2.7/8” CMT stinger, rotating lock (around 2.5 kg) on the travelling block fell down (10 m height) to the rig floor. All employees were out of the red zone during the time of the incident.
Always include rotation lock in the DROPS inspection checklist and carryout detailed DROPS inspection after jarring operation. Always install secondary retentions on the rotating lock. Always ensure that not more than 3 bolts are lock wired together and span between bolts not exceeding 15 cms. Always follow the recommendation from the OEM while defining the maintenance frequency. Ensure secondary retention on all potential DROPS objects
Category:
Safety Alerts
Document Type:
Safety
Format:
.pptx
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English
