EXB-PLUG™ is screened natural sodium bentonite chip used primarily for plugging and abandonment operations, annular seals and backfill operations.

Applications and Functions

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


  • Helps prevent entry of surface water into boreholes
  • High swelling potential
  • 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


Safety Data Sheets (SDS)

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