BAROID® BENTONITE PELLETS sealing and plugging material are compressed, shaped pellets of high-swelling, untreated sodium bentonite.
BAROID® BENTONITE PELLETS ¼”
BAROID® BENTONITE PELLETS ¼”
Application
Seal or grout plastic or steel casing. Isolate screen intervals, subsurface instrumentation and sampling zones. Provide a protective interface between gravel pack and cement grout. Plug abandoned earthen boreholes and cavities.
Advantages
NSF/ANSI standard 60 certified. High swelling capacity in the presence of fresh water. No heat of hydration. Re-hydratable. After hydration, forms a semi-solid, flexible seal with permeability less than 1 x 10 – 8 cm/sec.
Recommended Treatment
- Calculate the amount of BAROID® BENTONITE PELLETS sealing and plugging material required.
- Pour pellets slowly from the surface to minimize bridging.
- Calculate and monitor pellet addition amounts to ensure proper hole fill by measuring the position of the top of the plug after every few pails. Break up bridges as they occur.
- Calculated volume should be applied to borehole.
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