3 Water Well Drilling Methods Explained

A well is an excavation or structure in the ground created by digging, driving, or drilling to access resources such as water usually. An efficient water well drilling method is essential for communities to have constant access to clean water.

Keep on reading to learn more about the different water well drilling methods.

Drilled Wells

Drilled wells are commonly constructed by using a cable tool, also known as percussion. Rotary-drilling machines can also be used to create drilled wells. Drilled wells require a proper casing installation and a screen to prevent sediment from entering your well and prevent a significant collaboration.

Drilled wells can go more than 1,000 feet deep. Neat cement or bentonite clay is used to seal the space around the casing. This sealing method is a method used to prevent water draining contamination.

Driven Wells

By driving a small-diameter pipe into shallow water-bearing sand or gravel, a driven well is constructed. This type of well is often more affordable and straightforward than other well construction methods.

But the main issue with this type of well is that they’re easily contaminated as they don’t have a proper sealing technique against close surface sources. Wells created by hand is usually around 30 feet deep, and wells driven by machines can go 50 feet deep or more.

Dug Wells

A good old fashioned dug well was excavated using nothing but your bare hands and a shovel. The well was later lined with materials like stone, brick, tile, or anything else that could prevent collapse.

Thanks to its type of construction, bored wells can go deeper than hand-dug wells. Dug and bored wells have larger diameters and expose a larger area to the aquifer. The main problem is that they lack continuous casing and grouting and are regularly exposed to contamination. This type of well also dries out during drought periods if the water table drops below the well bottom.

Clean Water Access

Here at HydroLOGICA, we strive to provide world-class quality services that create the necessary infrastructure to support economic development and reduce the number of rural communities lacking access to clean water. Contact us now to learn more about our services.

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