Application of Water Well Drilling Rigs in Medium Sand Strata

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A water well drilling rig needs proper type selection for medium sand strata. Medium sand has moderate grains, large pores, good permeability.

 

  1. Positive circulation rotary rigs: Motors drive turntables; mud cools bits and carries cuttings out. Simple to operate, suits general medium sand drilling with flexible tool choices.
  2. Reverse circulation rotary rigs: Mud flows in, then is pumped out via drill pipe. Faster cuttings removal boosts speed, ideal for medium sand. Effective within 50m; limited to 150m depth.
  3. Hydraulic top-drive rigs: Hydraulic motors power moving heads, replacing turntables. Handles 1m-diameter bits for large wells. Fast drilling, easy tool handling—great for big medium sand projects.

Choosing the right water well rig maximizes efficiency in medium sand. The water well drilling rig adapts well with proper selection.