Atlantic Water Solutions of Alfred, Maine

Well Water Development Through Hydrofracturing

HYDROFRACTURING

Hydrofracturing is a well development process that involves injecting water under high pressure into a bedrock formation (ledge) via the well. This is intended to increase the size and extent of existing bedrock fractures, enlarging the network of water bearing fractures and size of the area supplying water to the well. This procedure is often used to increase well yields of drilled wells with marginal or inadequate flow rates. Hydrofracturing may also be applied to older existing wells that have diminished flow rates caused by mineralization and incrustation of rock fractures.

HISTORY

Hydrofracturing was originally developed in the oil fields to increase production volumes and is relatively new to the water well industry. It is now the method preferred by most contractors for developing bedrock wells because it is a controlled application.

THE PROCESS

The hydrofracturlng process involves the installation of an inflatable or mechanical packer in the borehole at least 40 feet below the well casing and drive shoe. The packer is inflated or locked in position and water is pumped through the packer under pressure. Most applications require between 500 and 2000 psi. Atlantic Water solutions uses up to 2600 psi. When successful, pressure will steadily rise to maximum level as the rock formation resists flow, then the pressure will drop off, and ultimately the pressure will stabilize at a lower level. The drop in pressure, commonly referred to as a release, indicates that the formation is accepting the water and the resistance to flow is diminished. When initial pressures continue to build and reach the operators maximum equipment capacity, without a release, hydrofracturing is not successful since the formation will not accept water.

YIELD TESTING

Well yield increases, if successful, are generally modest, although in some cases, may constitute a significant increase if the original yield was very low. Occasionally, large increases in well recovery rates are realized, Atlantic Water Solutions does not include yield testing as part of their hydrofracturing contract.

SUCCESS RATE

In the past year, Atlantic Water Systems hydrofractured approximately 13% of the wells they drilled in Maine and New Hampshire, having a 95% success rate. Some situations warrant the use of much larger hydrofracturing equipment that will produce greater pressures. Atlantic Water Solutions retains the services of a regional specialist to assist with these situations. Atlantic Water Solutions will consult with the customer prior to employing outside services.

Step 1Step 1 HydrofractureStep 2Step 2 HydrofractureStep 3Step 3 Hydrofracture Process

Hydrofracturing Well Developing Process Alfred, Maine

Atlantic Water Solutions LLC

 

PO BOX 602, Alfred, Maine 04002
Email: cindy@atlanticwatersolutions.com
Phone: 800-696-9355

 

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Atlantic Water Solutions LLC
PO BOX 602, Alfred, Maine 04002
Email: cindy@atlanticwatersolutions.com

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