Major repair of subartesian wells in Aghdam region Mechanical drilling of subartesian well to d=457mm, hanging of d=273mm metal pipe (with wall thickness of 7mm) to the dug well by welding and opening of 12mm filter holes from d=273mm metal pipe, filling the rest of the cavity with chopped sheb and cost of 100kv (cabinet) transformer for subartesian wells installation and cost installation and cost of D=114mm water return metal pipe