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应用液体CO_2对油气井进行增产措施,提高油气井的产量,已有很多年了。1981年来,佩尔曼盆地在压裂液里加入为压裂液体积50％的CO_2进行压裂,以改善油气井的排液和流体的化学性能。
It has been used for many years by applying liquid CO_2 to increase the production of oil and gas wells and to increase the production of oil and gas wells. Since 1981, the Perlman Basin has been fracturing fluid by adding 50% of the volume of fracturing fluid in the fracturing fluid to improve drainage and chemical properties of the fluid.