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HOLEPLUG® naturally occurring Wyoming sodium bentonite clay is a sized and graded chip material used to seal and plug earthen boreholes. HOLEPLUG bentonite is available in two particle size grades:

• HOLEPLUG® 3/4" bentonite (100% of particles pass through 3/4" screen; all particles retained on 3/8" screen)
• HOLEPLUG® 3/8" bentonite (100% of particles pass through 3/8" screen; all particles retained on 1/4" screen)

Applications/Functions

The use of HOLEPLUG sodium bentonite assists or promotes the following

• Grouting annulus in all types of wells, particularly environmental monitoring well applications
• Sealing above gravel packs
• Plugging decommissioned boreholes
• Stemming shotholes
• Sealing around conductor pipe
• Sealing lost circulation zones
• Shutting off artesian flow

Advantages

• Helps prevent entry of surface water into boreholes
• High swelling potential
• In situ swelling to provide a superior seal with excellent casing stabilization
• Easier to apply than pellets
• Cost effective
• Simple to apply, mixing not required
• Helps prevent vertical movement of fluids in the hole between porous zones
• Helps form a permanent, flexible downhole seal
• Helps allow hole re-entry
• Rehydratable
• NSF/ANSI Standard 60 certified