As for oil and gas workers, inject CO2 to the ground could not only cut down the discharge capacity of CO2, but also reuse CO2 which was considered to be a waste gas to enhanced oil recovery.

对于石油和天然气工作者来说，注co2不仅能够减少向大气中排放CO2的量，同时还能够将以往认为是废气的CO2利用起来，提高油田的采收率。