有效储层的物性下限位主要包括储层孔隙度、渗透率和含油饱和度下限值。
The petrophysical lower limit values of an effective reservoir includes porosity, permeability and oil saturation.
含油饱和度受油藏边界和构造形态控制，油藏南部边缘和局部构造低部位原始含水饱和度高，但不形成有效边底水驱动。
Initial oil saturation is controlled by the reservoir boundary and structural. Parts of the reservoir with high initial water saturation dose not form effective edge and bottom water drive.
测井 是目前在套管井中评价储层含油饱和度的最有效办法。
The neutron log is primarily resposive to the amount of hydrogen in the formation.
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