The reservoir sandstones consist mostly of lithic sandstones and feldspathic litharenite with lower mineral maturity.
储集砂岩类型主要为矿物成熟度较低的岩屑砂岩和长石岩屑砂岩。
2
The main types of clastic sandstones are feldspathic litharenite and lithic arkose in the Cretaceous of the Songliao basin.
松辽盆地白垩系砂岩以长石岩屑砂岩和岩屑长石砂岩为特征。
3
The reservoir lithology of oil bearing Huagang formation on Sudi structural belt in Xihu depression is mainly lithic arkose, feldspathic litharenite and feldspathic quartzitic sandstone.