采用人工神经网络测井识别技术识别油层并进行储层物性及含油性的解释。
Therefore, it is very difficult to distinguish oil with water layer and to evaluate oil layer by using logging data.
薄差油层具有储层物性差，数量多，在纵向上分散、跨距大，压裂改造困难。
Due to the poor physical property and large magnitude of thin pay zones, it is very difficult to apply fracturing remold.
油层的储集空间以次生溶蚀孔隙为主，属孔隙型储集类型。储层受沉积、成岩变化控制，引起物性横向变化。
The reservoir space of oil bearing sandstone is mainly secondary porosity and it's a pore type reservoir and its lateral variation is governed by the depositional and diagenetic process.
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