Water Well Casing Seal

Because of its high swelling capacity casing seal bentonite is an effective sealing material for sealing a leaking pond and for use as a clay liner.

Water well casing seal.

An essential aspect of proper well construction is sealing the space between the well casing and the side of the drilled hole called the well annulus. After you reach water with any drilling project it s time to put the tools away and rest in a job well done almost. The grout is pumped into the annular space starting from the bottom of the casing using a tremie pipe until it appears at the surface of the ground. Basically it s a spool shaped plumbing fitting that incorporates round flanges at its top and bottom threaded to accept well pipe fittings above and below the spool.

Shallow groundwater might also be contaminated so sealing the upper. 30253 1608 highway 20 east mcdonough ga. In this tutorial we will see how to add casing to a recently drilled water well borehole and construct a cement sanitary seal when constructing a water well. In california the annular seal must extend below the strata a minimum of 10 feet for.

Well seal cast aluminum. Box 1509 mcdonough ga. Multi size foot valve sump pump check valves. Check and foot valves.

Without proper sealing surface water may enter the borehole and contaminate the well water. Cross section of a well casing showing the grout used to seal the annular space around the casing. Water wells if properly constructed can provide a safe and reliable source of drinking water. Concrete well casing 6 coupling fitting 5 reducer fitting 2 rock well cover 2 standard enclosure 3 submersible pump drop pipe 3 submersible pump screen 1 submersible pump well seal 11 wall casing 3 watertight well cap 1 well casing pipe 7 well screen 5.

Casing seal sodium bentonite is a mixture of random sized particles of a utility grade granular wyoming sodium bentonite a naturally occurring non treated swellable clay. Well casing should also have a vermin proof vented cap and penetrate the ground at least 20 feet. Well seal steel single drop pipe for 6 90 od casing. Click here for product warranty information.

Bentonite a clay material that expands when wet is also often used for grouting a well.