Borewell Drilling Services DR Borewell & DTH Borewell These are wells dug deep into the ground to tap into water-bearing soil or rock layers termed aquifers. Borewells typically draw water from “confined deep aquifers”, i.e., rock layers deep underground, where water is trapped under pressure between the cracks of rocks. for more : https://www.allegianceindia.in/products/borewell-drilling-with-dr-machine/4 www.allegianceenviro.com