Recommended Allowable Limits for Flowback/Produced Water used in Slick-Water Fluids Fracturing
The limits below are for the treated flowback and produced water.
Note:Following treatment by the Ecologix ITS-1500 and the AGFM polishing.
| Parameter | Maximum Allowable Limit |
|---|---|
| pH | 6-8 |
| TDS | < 120,000 ppm |
| Conductivity, μS/cm | < 130 |
| TSS | < 10 |
| Turbidity - NTU | < 5 |
| Bacteria Count | < 1/ml |
| Oil | < 1 |
| ORP | > 200mV |
| Cations | ppm |
| Sodium | < 30,000 |
| Calcium | < 10,000 |
| Magnesium | < 1,500 |
| Potassium | < 1,100 |
| Iron | < 1 |
| Barium | < 10 |
| Strontium | < 10 |
| Manganese | < 10 |
| Boron | < 5 |
| Anions | ppm |
| Bicarbonate | < 1,000 |
| Sulfate | < 500 |
| Chloride | < 70,000 |