Drilling fluids are most widely used in well drilling activities. Compared to other drilling fluids, water-based systems are most prone to microbial contamination. Microbial Control’s solutions help maintain system efficiency by protecting fluids from bacteria and enzymes that can cause fluid degradation.

Water treatment microbiocides help minimize bacteria, algae and biofilm formation – aiding in the prevention of microbial induced corrosion (MIC), mitigation of polymer breakdown and reducing well and reservoir souring.


Some of our products are listed below. Not all products are available for sale or registered/approved for use in all countries.
Contact your sales representative or refer to our Contact Form to learn about product availability and approvals in your country


Product Name

Active Ingredient *

Features & Benefits

AQUCAR™ GA 25 Water Treatment Microbiocide

AQUCAR™ GA 50 Water Treatment Microbiocide


  • Rapid microbial control following drilling fluid preparation
  • Moderate preservation and high-temperature performance

AQUCAR™ 714 Water Treatment Microbiocide

AQUCAR™ 742 Water Treatment Microbiocide

Glutaraldehyde + ADBAC

  • Synergistic blends of glutaraldehyde and ADBAC quat
  • Enhanced rapid control and biofilm penetration properties

AQUCAR™ DB 20 Water Treatment Microbiocide

AQUCAR™ DB 5 Water Treatment Microbiocide


  • Extremely rapid microbial control following drilling fluid preparation
  • Prevents loss of drilling fluid physical properties due to microbial degradation
  • Eliminates transfer of microbes from the top-side to downhole environment
  • Highly effective when used with a preservative chemistry

AQUCAR™ TN 25 Water Treatment Microbiocide


  • Long-term protection of drilling fluids maintained in storage pits or tanks

AQUCAR™ A 78 Water Treatment Microbiocide


    • Long-term protection of drilling fluids maintained in storage pits or tanks

    * ADBAC: N-alkyl-N,N-dimethyl-N-benzylammonium chloride / DBNPA: 2,2-dibromo-3-nitrilopropionamide / THNM: Tris(hydroxymethyl)nitromethane / DMO: 4,4-dimethyloxazolidine