1.Classified by depth: Dakoujing, shallow well, deep well, ultra-deep well (current record is probably rice bran)
2.Classified by use: agricultural wells (irrigation part for drinking water) non-agricultural wells (urban drinking water, production water, water source heat pump circulation wells)
3.According to the classification of pipe wall pipe: plastic pipe, cement pipe, reinforced concrete pipe, cast iron pipe, ductile iron pipe, spiral pipe
4.According to the water filter tube (filter, round hole or strip hole): brown, bamboo curtain, entangled wire, bridge type, cage cage, no sand tube
In addition, the current selection of well structure and process for water source heat pumps is very confusing. From irrigation standard agricultural wells to expensive non-agricultural wells are used on water source heat pumps, and the effect can be imagined.