Member 2 in Shanxi formation of Permian system in Yulin gasfield is the mainly gas reservoir,was deposited in a braided river of delta enviroment.
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释义
榆林气田主力气层山西组2段为一套辫状河三角洲沉积,储集岩主要为石英砂岩、岩屑石英砂岩。
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