The reservoir type is Ordovician weathering crust in the Lower Paleozoic, and the main gas layer is in the fifth member of MajiagouFormation.
储集层类型为下古生界奥陶系古风化壳型,其主力含气层为马家沟组第五段。
2
The carbonate rocks in the Lower Ordovician MajiagouFormation of Ordos Basin are widely distributed, but their organic matter content is low and maturation high.