Gravel Drilling: Prevent & Fix Bit Failures

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Water well drilling rigs need robust bit failure management in gravel layers. water well drilling rig

 

Common issues: tooth chipping, excessive body wear, bearing jams from overload or wrong selection.

 

Prevent from source: pick bit openings 1.5x larger than maximum gravel size to avoid jams.

 

Tips for water well drilling rig bit care:

 

  1. Stop at abnormal vibration. Use endoscopes to check internal damage immediately.
  2. Repair chipped teeth with matching wear-resistant electrodes. Replace over-worn bodies.
  3. Clean mud-clogged bearings. Refill grease after disassembly thoroughly.

Log failures with strata, parameters and fixes. Build a “failure-cause-solution” database.