In the late production period of gas well, complex drainage gas recovery technology is the important measure for raising the recovery efficiency of gas reservoir.

分析并提出气井各生产阶段的工艺技术措施与对策，气井生产后期应用复合型排水采气技术是提高气藏采收率的重要措施。

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As one of the largest gas production area of China, Sichuan gas filed ensure stable production of natural gas of the maturing filed by the drainage gas recovery technology.

四川盆地是我国最大的天然气生产基地之一，而实施排水采气工艺技术是老区天然气稳产极其重要的保证。

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It is pointed that the oil-gas recovery technology is a systematic engineering. The design and election of oil-gas gathering units and recovery system are of the same importance.

油气回收技术是一个系统工程，在设计和选型时，应该注意油气收集系统和油气回收装置的同等重要性。

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This figure is based in part on the thought that big oil companies like ExxonMobil, which recently agreed to buy the natural gas company XTO Energy, will increase investment in recovery technology to squeeze more gas out of huge stateside shale formations.

FORBES: T. Boone Pickens' War