The oil and gas industry faces unique microbial challenges, primarily the proliferation of sulfate-reducing bacteria (SRB) and the need to protect fluids used in extraction processes. SRB are notorious for causing severe corrosion and reservoir souring, leading to significant economic losses. DBNPA (2,2-Dibromo-2-cyanoacetamide) has proven to be an indispensable tool in combating these issues, ensuring operational efficiency and asset integrity.

Controlling SRB and Preventing Corrosion

SRB thrive in anaerobic conditions prevalent in oil reservoirs and water injection systems, producing hydrogen sulfide (H₂S) as a byproduct. H₂S is highly corrosive to steel, leading to embrittlement and pipeline failure. It also contaminates the extracted oil and gas, reducing their value.

DBNPA's potent biocidal action is highly effective against SRB. Its rapid kill mechanism targets these bacteria, preventing them from metabolizing sulfates and producing H₂S. By maintaining low SRB populations in injection water and production systems, DBNPA significantly mitigates microbiologically influenced corrosion (MIC) and prevents reservoir souring. This proactive approach saves on expensive repairs, reduces downtime, and ensures the quality of extracted hydrocarbons.

DBNPA in Hydraulic Fracturing Fluids

Hydraulic fracturing, a key technique for extracting oil and natural gas, involves injecting large volumes of fluid into wells. These fluids, often containing water, sand, and various chemical additives, are susceptible to microbial contamination. Such contamination can lead to:

  • Biofilm formation that can plug the formation, reducing permeability and well productivity.
  • Degradation of friction reducers and other essential additives.
  • Production of H₂S, leading to equipment corrosion and safety hazards.

DBNPA is employed as a biocide in fracturing fluids to prevent these issues. Its rapid kill capability ensures immediate control of microbial growth upon injection, protecting the integrity of the fracturing fluid and the reservoir formation. Furthermore, its relatively fast degradation means it poses less of a long-term environmental concern compared to persistent biocides.

Advantages in Oilfield Applications

  • Targeted Efficacy: Specifically targets problematic microbes like SRB and biofilm-forming bacteria.
  • Rapid Action: Quickly controls microbial populations, preventing immediate damage.
  • Corrosion Prevention: Indirectly prevents corrosion by eliminating H₂S-producing SRB.
  • Fluid Integrity: Protects the performance of fracturing fluid additives.
  • Environmental Considerations: Biodegrades into less harmful substances.

The robust performance of DBNPA makes it an essential component in modern oilfield operations, ensuring efficiency, safety, and the protection of valuable assets.

For tailored solutions for your oilfield microbial control needs, consult with NINGBO INNO PHARMCHEM CO.,LTD.