Enviroplug No.8 is a high-swelling Wyoming Bentonite in granular form. The unique molecular structure allows them to absorb five times their weight of water and swell to a volume of 12 to 16 times their dry bulk, making it an ideal well sealant. Applied dry or in a pumpable slurry, the fine granules expand against casings and formations to create a very low permeability flexible grout seal.
Enviroplug is an exceptionally versatile product used for abandoning cased and uncased boreholes, sealing casing, isolating zones, sealing grounding rods and heat pump conductor holes, stemming and sealing seismic shot holes, sealing excavations, and for any vertical sealing to prevent water movement up or down a borehole.
Enviroplug is introduced in a dry state, which prevents shrinkage and provides a reserve expansion capacity. When absorbing water, Enviroplug swells to fill voids, exerting pressure against all surfaces to create a flexible, low-permeability seal.
Enviroplug falls easily through standing water and thin drilling fluids, filling the column from the bottom upward. Expect a fall rate of 1 ft/s, which has been achieved through water depths of over 1600 ft.