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2023 2nd Alert Hipo#47 ESP sheave drop due to failure in utility hydraulic Winch.
The operation was to lower down the ESP Sheave from the Mast by use of Service winch operated by the Driller (ODS 3Ton Hydraulic Winch). While lowering down the sheave the service Winch failed resulting in uncontrolled descent of the the sheave on to the rig floor (sheave weight approx. 100kg with Cable suspended). Zone management was adhered to, no injuries to individuals occurred.
- Mechanic to always ensure the work orders are available & followed for checking and maintenance of equipment - RM/NTP Always ensure the Supervisors play their role efficiently in verification of the quality of checks of the SCE - Maintenance lead to always ensure quality maintenance program in place & implemented (part of PMS and details work orders) - RM /Driller/AD Always ensure the zone management is adhered to. Always ensure All equipment PMS work orders for task in hand is available & followed.
Service winch condition was not checked thoroughly by the mechanic at the start of the hitch • Jumper bar & winch drum cover were not installed after the last winch line replacement • Derickman safely attached winch line to the ESP Sheave, area confirmed clear before RD start • The communication during execution of the task was good • Driller checked the winch line is free yet failed to identify potential failure in Winch integrity • Zone management was adhered to during RD of the ESP sheave (Crew were out of the LoF)
Category:
Second Alerts
Document Type:
Safety
Format:
pptx<br/>
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