CO2 fracs are still done in some parts of the country, the problem is price of CO2. A frac may require anywhere from 200 to 500 tons of liquid CO2, which runs about $100/ton. It starts adding up pretty quickly.
CO2 fracs are still done in some parts of the country, the problem is price of CO2. A frac may require anywhere from 200 to 500 tons of liquid CO2, which runs about $100/ton. It starts adding up pretty quickly.