DTH Hammer Selection for Shallow Well Soft Rock Strata: Water Well Drilling Rigs

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The water well drilling rig needs lightweight, efficient hammers for shallow soft rock (＜50m).

 

  1. Choose low-pressure small-diameter ones: 0.5-0.7MPa, 65-110毫米. Fits 3-6m³/min small air compressors.
  2. Saves cost for rural wells: Drills 2-3m/h in soft rock. A 65mm model kept costs under 8,000 yuan/well.
  3. Avoid high-pressure types: Too much energy causes over-sized holes, making pipe installation harder.

 

Small size eases narrow site work, cutting transport costs by 60%. The water well drilling rig works best with right soft rock hammers.