The reservoir from the lower part of Qiketai formation to Xishanyao formation is mainly composed of feldspathic litharenite, which is the second lithologic section.
The reservoir from the lower part of Qiketai formation to Xishanyao formation is mainly composed of feldspathic litharenite, which is the second lithologic section.
七克台组下部-西山窑组储集层以长石岩屑砂岩为主，属于第二岩性段。