The major pay bed is low permeable ultra dense sandstone. Its permeability and pore throat texture are very sensitive to the net pressure of overlying strata.
主要产层为低渗透超致密砂岩，其渗透率和孔喉结构对上覆地层净压力很敏感。
Abstract: qidong field is characterized by different structures from deeper to shallower strata its main pay bed is fluvial sandstone segmented by deep cutting faults.
文摘：歧东构造带具有浅层与深层构造相异的特征，主要产层是断层分割的河流相砂体。
Abstract: qidong field is characterized by different structures from deeper to shallower strata its main pay bed is fluvial sandstone segmented by deep cutting faults.
文摘：歧东构造带具有浅层与深层构造相异的特征，主要产层是断层分割的河流相砂体。
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