Borehole Drilling Process
4 Steps in The Borehole Drilling Process
Step 1 – Hydro-geologists’ site the borehole
The very first thing that needs to be determined is where the water is, and how we’re going to get to it. That’s why we employ hydro-geologists who make use of a variety of borehole drilling methods to assess the geophysical properties of the underlying area. These are the guys that help us ensure we’re not drilling into natural hazards (such as faults or fractures) or manmade infrastructure (pipelines, cables, phone lines, etc).
Step 2 – Drilling and Construction
Once the hydro-geologists have helped us prep a path for borehole drilling, we follow through and construct the borehole. It’s not as easy as Moses and the rock, unfortunately, and, contrary to popular belief, an endless supply of water won’t just surge to the surface following the drilling of the borehole; there are still steps to follow and processes to be completed. Once the borehole has been drilled the necessary unstable lengths of the borehole are steel cased to reinforce the ‘tube’.
Step 3 – Determining the yield of the borehole
To most accurately gauge the yield of a domestic water borehole an aquifer test is performed. This involves installing a test pump and pumping borehole water for a fixed set of variables; a given time at a given rate, and then assessing the test’s impact on the water level in the borehole. Maximum yield is achieved by increasing the abstraction rate, ensuring optimum drawdown of water in the borehole.
Step 4 – Pumping and piping the borehole
The kind of pumping system and piping installed in your new domestic water borehole will largely depend on the intended use of the borehole water. For more information, or to make an appointment to start the process, feel free to contact us via the provided on our Contact page