Well drilling contractors are busy people. Either they are drilling water wells or oil wells, and then they are either drilling brand-new wells or drilling wells to replace old wells that have run dry. If it is the latter, there is a science to drilling a replacement well. If you need a new well, be it oil or water, here is how the contractors determine where to drill next.
Consulting Water Table Charts
Most counties create water table charts that tell where underground aquifers are known to exist. These charts are compiled by land surveyors and geologists who are attempting to map underground structures to determine where, what, and how to develop on the land. This is good news for you if you are a homeowner and need a new water well because there is an excellent chance that checking these charts is the only research your contractor has to do before drilling your new well.
Examining Rock Formations and Soil Quality
In the case of drilling for a new oil well, a contractor examines various rock formations. Certain types of rock are found at the surface and just below the surface of the soil where oil exists below. The contractor will also have soil samples tested. Most often, the soil quality is not the best, and grass does not grow well in areas where there is petroleum underground. This is because of the gasses that pass up through the soil and choke off the growth of greenery. The soil will also exhibit a higher concentration of fossilized deposits and remnants and minute traces of crude oil that have been pushed upwards over time. When just the right spot is found, an initial exploratory drilling is made. If a small spurt of oil comes up, that site becomes a full-blown drilling site for oil.
Keeping Your Well Well
It sounds funny, but you want whatever well you drill to remain well. In terms of water wells, you need to test the water often to make sure there are no poisons or toxins in it and that it is consistently full of the water you need for your home. In terms of an oil well, purity is not a problem, but making sure it continues to produce enough oil is. Tests can be conducted regularly to make sure your oil well will be producing barrels of crude for a long time to come.
For more information, contact a local drilling company like Coolwater Drilling.