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Innovative Biocide Blend Solves Microbial Contamination Issues In Hydraulic Fracturing Applications

Innovative Biocide Blend Solves Microbial Contamination Issues in Oil and Gas Applications
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Microbial contamination in the development of unconventional oil and gas formations can cause numerous problems, including formation plugging, microbial induced corrosion, and well souring, all of which can have a negative effect on well productivity and quality of oil and gas. The most common method to control microbial contamination during stimulation of unconventional oil and gas formations is through the use of biocides. Traditional oil and gas biocides such as glutaraldehyde/quaternary ammonium blends struggle to provide effective microbial control under the severe conditions encountered during stimulation of unconventional oil and gas formations.

Product Number: 51322-18154-SG
Author: Jeffrey F. Kramer, Christy C. Wentworth
Publication Date: 2022
Industries: Oil and Gas , Oil and Gas Production
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Detailed comparative efficacy laboratory studies were conducted using relevant field conditions which highlighted the excellent performance of this new biocide compared to other commonly used oil and gas biocides. Results showed that the biguanide polyammonium blend provided quick and persistent biocidal activity against a range of bacteria, including acid producing and sulfate reducing bacteria at low concentrations. The blend was also compatible with additives typically found in oil and gas stimulation fluid packages and worked over a broad range of pH, TDS, and temperatures, indicating broad fluid and environmental compatibility across a wide range of oil and gas applications. In addition, results show strong performance advantages against corrosion causing biofilms. These results were verified in a field trial that confirmed the biocidal performance of the biguanide-polyammonium blend against biofilm in a produced water processing facility.

Detailed comparative efficacy laboratory studies were conducted using relevant field conditions which highlighted the excellent performance of this new biocide compared to other commonly used oil and gas biocides. Results showed that the biguanide polyammonium blend provided quick and persistent biocidal activity against a range of bacteria, including acid producing and sulfate reducing bacteria at low concentrations. The blend was also compatible with additives typically found in oil and gas stimulation fluid packages and worked over a broad range of pH, TDS, and temperatures, indicating broad fluid and environmental compatibility across a wide range of oil and gas applications. In addition, results show strong performance advantages against corrosion causing biofilms. These results were verified in a field trial that confirmed the biocidal performance of the biguanide-polyammonium blend against biofilm in a produced water processing facility.

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