Drilling Line Maintenance
A drilling line is a wire rope hoisting line, reeved on sheaves of the crown block and traveling block (in effect a block and tackle). The primary purpose is to hoist or lower drill pipe or casing from or into a well. It must be inspected, slipped and cut regularly.
Drilling Line and Drum
Potential Hazards
- receiving injuries to face and eyes from flying chips of metal when slipping and cutting the line
- being caught in moving equipment
- slips, trips, and falls
- being struck by drilling line
Possible Solutions
- Use proper lockout/tagout procedures.
- Wear proper personnel protective equipment when cutting line.
- Attach a red flag or other warning device to the drawworks clutch lever as a reminder to the driller whenever the crown safety device is moved or deactivated to allow the traveling block to be raised above the preset stopping point.
- Secure drilling line ends prior to cutting.
Knowledge Check Choose the best answer for the question.
8-3. What precaution must be taken when slipping and cutting the drilling line?
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