East Tennessee Water Production
Well Development by Hydro-Fracturing
Hydro-fracturing is a well development process that involves injecting water
under high pressure into a bedrock formation via the well. This is intended to
increase the size and extent of existing bedrock fractures, thereby enlarging the
network of water bearing fractures and size of the area supplying water to the
well.
The procedure is often used to increase well yields of new deep drilled wells
with marginal or inadequate production rates. It may also applied to older
existing wells that have progressively diminished recovery rates over time
usually caused by mineralization and incrustation of rock fractures.
Hydro-fracturing was originally developed in the oil fields to increase
production volumes and is a relative newcomer to the drinking water well
industry. It is now the method preferred by most contractors for developing
bedrock wells because it is a controlled process. Older methods included
blasting with dynamite and more recently, the application of dry ice to a capped
well was used. These methods were somewhat uncontrolled and sometimes
resulted in well failure.
The use of dynamite frequently caused wells to collapse from the force of the
blast rendering the well useless. The use of dry ice was common only a few
years ago and was a much less violent approach to applying high pressure to
the bedrock formation and the results were unsatisfactory.
The hydro-fracturing process eliminates this problem by controlling the
pressure with packers below the well casing.
7621 Highway 68 - Madisonville, TN 37354
Phone: 423-420-0077
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423-420-0077
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7621 New Highway 68
Madisonville, Tennessee 37354