Vertical Electrical Sounding is one of the common geophysical methods used for domestic borewell exploration. But, sufficient open area around the location is needed for conducting the survey. Geologists charge around Rs.1,800 to 4,000/- for identifying a borewell site in Trichy. .
Local well diviners who use wooden sticks or magnetic blocks are also to some extent successful in identifying borewell sites. But this method may not be always reliable, especially in areas where the geological formation is critical
There is no prescribed season for drilling a borewell if the location of site has adequate ground water potential. However, identifying a suitable site and drilling the borewell in summer months would give the worst possible scenario in the location at the point of time.
Therefore, summer months are usually preferred by some experts as the best suited period for drilling a new borewell. Also, as most agricultural sites can be accessed by drilling rigs only during summer months, they are usually available in these periods.
Methods of drilling to be adopted depends on factors of geological formation, cost factors, diameter and depth of borewell and the purpose intended.
Compressor Borewell Drilling
Calix / Rotary Drilling
Tubewell Drilling
Hand Bore / Manual Drilling
Borewell Flushing/ Cleaning
Rain water Harvesting
For domestic purposes, 4.5 and 6 inches dia borewells are usually drilled. While 4.5 inch is most commonly drilled borewells for domestic purposes, 6 inch borewells are drilled when higher yield is required for large apartments or buildings and also for agricultural purposes.
Initially larger diameter bits are used to place the casing pipes up to the hard rock zone prior to drilling specified size of the borewell.
PVC pipes are very widely used as casing pipe. Range - Casing Pipes is available in 5 Inch to 10 Inch (5", 6", 7", 8", 9", 10")
We suggest to use ISI Brand PVC Pipes in borewell.
Charges for borewell drilling a specified size of borewell include
Drilling rates are sometimes charged in slabs for specified ranges especially when deep borewells are drilled. As drilling rates usually vary depending on the availability of rigs, local demand and site conditions, it is better to cross check with few drillers to get a competitive quote.