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Hydraulic Fracturing
Optimize microbial control treatment for water in hydraulic fracturing operations

Hydraulic Fracturing Operations

An optimized microbial control treatment program requires a strategy to address each of the three phases of hydraulic fracturing: preparing the water, decontaminating the well, and protecting the reservoir.

As a leader in optimized microbial control for hydraulic fracturing operations, DuPont recommends biocides based on the conditions of each phase, considering temperature, salinity, aerobic and anaerobic conditions, and the desired duration of control. Each application is different and requires a tailored program to meet the needs of the specific system.

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Product Name

Active Ingredient

Features & Benefits

Glutaraldehyde

  • Rapid control with some preservative properties
  • Rapid decontamination of the downhole environment
  • Moderate high-temperature stability and prolonged downhole protection
  • Highly compatible with fracturing fluid additives

Glutaraldehyde
N-alkyl-N,N-dimethyl-N-benzylammonium chloride (ADBAC)

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

AQUCAR™ PS 20 Water Treatment Microbiocide 
AQUCAR™ PS 75 Water Treatment Microbiocide

Tetrakis (hydroxymethyl) phosphonium sulfate (THPS)

  • Moderate preservation and high-temperature performance
  • Biodegradable

2,2-dibromo-3-nitrilopropionamide (DBNPA)

  • Rapidly controls microbes for preparation of top-side water sources
  • Non-corrosive at end-use concentrations
  • Compatible with pumping, piping and storage equipment

Tris(hydroxymethyl)nitromethane (THNM)
4,4-dimethyloxazolidine (DMO)
1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride (CTAC)

  • Ability to maintain efficacy at high temperatures, pressure and salinity for downhole protection
  • Provides slow, sustained kill
  • Low mammalian and aquatic toxicity