Table 1. Key Parameters Associated with Use of CO2 as a Fracturing Fluid per 1 GJ of Natural Gas Produced from the Fracturing Process20.
| input | units | value |
|---|---|---|
| estimated ultimate recovery (EUR) | GJ | 2.67 × 107 |
| total fluid volume per well | m3 | 6.04 × 104 |
| flowback (% of injected fluid) | % | 50 |
| diesel fuel consumption | m3 | 950 |
| CO2 compression energy (source) | MJ/tCO2 | 241 |