Enviroplug® No. 8 and No. 20 are high-swelling Wyoming sodium bentonite in granular form. Due to their unique molecular structure, they can absorb five times their water weight and swell to a volume of 12-16 times their dry bulk, making them 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® No. 8 and No. 20
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Home » Products » Drilling Mud Additives » Cements & Grouts » Enviroplug® No. 8 and No. 20
Enviroplug® No. 8 and No. 20
Application
Dry Driven Casing: In cable tool operations, these granular Enviroplug® products can be used to grout the casing as it is being driven. A hole should be dug at the surface 6 to 8 inches larger than casing and 12 to 14 inches deep. Once the driving has begun, fill this hole with Enviroplug®. The granules will follow the drive shoe downward as driving continues creating a bentonite collar around the casing.
Pumpable Grout Seals: Enviroplug® No.20 can be used in a pumpable slurry mix to grout wells or abandon holes. Enviroplug®’s hydration can be delayed by mixing 11 ounces of WYO-VIS per 28 gallons of water.
Agitate until the polymer is dispersed, then add 50 pounds of Enviroplug® No.20. Pump immediately.
CAUTION: Continued agitation will result in extreme viscosity and become unpumpable.
Characteristics
Enviroplug® No.8
- 98% minimum passing 4 mesh
- 5% maximum passing 20 mesh
Enviroplug® No.20
- 97% minimum passing 8 mesh
- 5% maximum passing 20 mesh
Packaging & Controls
WHMIS: Controlled (see SDS)
TDG: Not regulated
Packaging Size: Available in 50lb Bags & 3450lb Bulk Totes
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