The submersible aquifer is compatible with the water well drilling rig

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Hey guys, the water surface of a phreatic aquifer is at 1atm pressure.water well drilling rig. Above the free water surface can be permeable, low-permeable, or impermeable layers. When drilling in a phreatic aquifer, choose a water well rig by considering the aquifer’s depth, thickness, and lithology:

 

  1. For shallow, soft-lithology phreatic aquifers, small pan auger drills work. They have a simple structure, driven by manpower or power to rotate and cut soil layers.
  2. If the aquifer is slightly deeper, a direct circulation mud-flushing rotary table drill is suitable. Mud is pressed from the swivel into the hollow drill pipe to carry out cuttings, meeting drilling needs efficiently.
  3. These choices ensure effective well-drilling in phreatic aquifers by matching rig types to geological conditions.