Cause & Consequence
- Moving machinery or material being machined
Contributing Factor
- Control of work
Description of Process
The IP was working alone on the drill floor at night, performing routine planned maintenance of the Stabbing Board.
It was while carrying out a function test as part of the routine that the incident occurred.
Description of Incident
The IP first tested the upward function of the board by hoisting the carriage up a couple of feet. When attempting to move the carriage back down, the Sky Locks engaged (still under investigation).
Inadvertently the IP looked up at the hoist and operated the throttle down thinking the hoist was the problem, causing the slack arm to strike against his right hand placed on the vertical pole.
The IP was operating the controls with his left hand. His right hand was placed “naturally” and unconsciously on the nearby framework of the carriage, with his fingers up underneath the Slack Arm position.
The IP made his way to the sickbay via the control room for treatment. The IP was transported onshore the following day, and underwent surgery where the tip of his right middle finger, above the first joint, was amputated.
Good Practice Guidance
- Operator carried out a full review for the need of stabbing boards within their operations
- Review of lone worker requirements to establish minimum requirements (Toolbox talk, risk assessment & Radio contact)
- Full review of procedures across all installations for safe use of equipment and maintenance routine frequencies
- Ensure that Wells team is fully integrated with installation maintenance operations
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