Playbooks Supplements

Water Management Techbook 2017

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Page 43 of 55

42 | May 2017 | WATER MANAGEMENT: CASE STUDIES can have a negative impact on the over- all effectiveness of a fracturing fluid biocide program. The enhanced fracturing fluid biocide selec- tion process takes these interactions into account, which results in improved biocide decisions. Feedback from field a p p l i c a t i o n s w i t h Bellacide 300 con- firms the useful- ness and benefit of the enhanced frac- turing fluid biocide selection process. FIGURE 1. Dual treatment showed an improvement over ClO 2 alone against sulfate- reducing bacteria. Performance declined against acid-producing bacteria as thione biocides are not compatible with oxidizing agents like ClO 2 . (Data courtesy of BWA Water Additives)

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