Up to now, Puguang Gas Field in the Northeastern of Sichuan Basin as the largest gas field of Sichuan Basin is also the biggest marine carbonate formational gas reservoir.

• 迄今为止，川东北普光气田是四川盆地勘探过程中发现的最大气田，也是我国海相碳酸盐岩地层中发现的最大气藏。