Upper Paleozoic primary source-rock in Fuxian exploration area is a coal system with organic matter content and maturity, higher, which is the basis of Upper Paleozoic gas reservoir.
富县探区上古生界主力烃源岩是煤系，该煤系有机质含量和成熟度均较高，是上古生界气藏的基础。
Ordos basin is one of the most potential gas reservoir region in China and Upper Paleozoic is the important exploration horizon.
鄂尔多斯盆地是中国天然气勘探最有潜力的盆地之一，鄂北地区是目前上古生界天然气气藏分布的主要地区。
Upper Paleozoic natural gas reservoir of Ordos Basin consists of low-permeability sandstone which bears typical secondary porosity.
鄂尔多斯盆地上古生界天然气储集体是一套以次生孔隙为主的低渗透砂岩。
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