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. 2022 Apr 6;2(3):248–256. doi: 10.1021/acsengineeringau.2c00001

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