PUREGOLD CLEANDRILL is a bentonite free powder designed for special
conditions associated with drilling horizontal directional recovery wells
for groundwater remediation. PUREGOLD CLEANDRILL maintains
formation permeability and porosity.

  • Decreases filtration rate in unconsolidated formations
  • Elevated yield point and gel strength for efficient cutting suspension and transport
  • Enhanced viscosity for efficient borehole cleaning
  • Improved borehole stability for easy well installation
  • Increases recovery rate of contaminants during remediation
  • Preserves porosity and permeability of formation
  • Soluble in water, and disperses easily with moderate shear

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