Oil and Gas Well Drilling and Servicing eTool
Job Safety Analysis (JSA) Process » Sample Worksheet
Job Safety Analysis Worksheet |
Job To Be Performed: | Tripping Pipe in Hole | ||||||||
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Department | Task performed by: (names) | Date | ||||||||
Dave | Driller | |||||||||
JSA written by: | Darrel | Derrickman | ||||||||
Dave the Driller | Mike | Motorman | Supervisor | |||||||
Fred | Floorman | Terry Toolpusher | ||||||||
Frank | Floorman | |||||||||
Personal Protective Equipment, Special Tools and Other Equipment Required: | Supervisor Approval (Signature) | |||||||||
Hardhat, Safety toe Boots, Safety Glasses | Terry Toolpusher | |||||||||
Step No. | Sequence of Basic Job Steps | Potential Hazards | Recommended Safe Job Procedures | |||||||
1 | Traveling block moving up derrick | Swinging blocks hitting sides of derrick. Tong counterweight line getting hooked on blocks or elevators | Stabilize blocks and elevators. Do not put tongs on pipe too soon. Look up and live! | |||||||
2 | Put make-up tongs on and wrap spinning chain | Pinch points when latching tongs to pipe. | Keep hands and fingers on designated handles. Keep good tail on spinning chain. Keep control of chain. | |||||||
3 | Latching pipe into elevators | Pinch points of elevators and pipe. Dropping stand across derrick. Swinging pipe. | Derrickman should tail out pipe and stabilize stand after pickup. Floormen watch for snag or short stand. | |||||||
4 | Stabbing pipe | Slipping while tailing pipe. Pinch points of pipe and tongs. Missing box. | Get firm hold. Give driller clear view. Place hands and legs properly. | |||||||
5 | Throwing chain, torquing pipe, unlatching tongs | Chain breaking, stuck by chain, pinch points - getting hand or fingers in chain. Tongs slipping. | Make sure tongs are latched properly. Hold tongs out of way after unlatching. Stay clear of chain and out of swing of tongs | |||||||
6 | Pulling slips | Strains | Proper lifting techniques. Lift together. Use moving pipe as leverage. | |||||||
7 | Lowering pipe | Hitting bridge, line parting brake, or hydromatic failure | Lower pipe at controlled speed. Watch weight indicator. | |||||||
8 | Set slips and unlatch elevators | Pinch points at slip handles, elevator links, and elevator latch | Slow down pipe and set slips. All hands should work together. Proper lifting and hand placement. |