Graded Sodium Bentonite

Description

HOLEPLUG is a naturally occurring Wyoming sodium bentonite clay that is a sized and graded chip material used to seal and plug earthen boreholes.

HOLEPLUG is available in two particle size grades:

• HOLEPLUG ¾" (100% of particles pass through ¾" screen; all particles retained on 3/8" screen)
• HOLEPLUG 3/8" (100% of particles pass through 3/8" screen; all particles retained on a ¼" screen)

Applications/Functions

• Highly recommended for use in grouting annulus in all types of wells, particularly environmental monitoring well applications
• Seal above gravel packs
• Plug decommissioned boreholes
• Stemming shotholes
• Seal around conductor pipe
• Seal lost circulation zones
• Shut off artesian flow

Advantages

• Prevents 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
• Prevents vertical movement of fluids in the hole between porous zones
• Forms a permanent, flexible downhole seal
• Allows hole re-entry
• Rehydratable
• NSF/ANSI Standard 60 certified

Recommended Treatment

Due to shipping and handling, a small amount of fine bentonite particles may be present. For optimum results, HOLEPLUG ^® should be poured over a mesh or screen with ¼" (6.4 mm) openings to “sift out” the smaller particles. The screen should be large enough (approx. 1 yd2 or 1m2) to be folded into a “V” shape to allow sifting while the product is being poured into the hole. Also, HOLEPLUG should be poured slowly. Allow approximately two minutes to pour a 50-lb (22.7 kg) bag.

Application Amounts

Amounts of HOLEPLUG  ^® Required for Plugging