矿物集合
The multi-element regression analysis can be used to quantitatively express and predict the controlling effect of detrital mineral combination over the porosity of sandstone reservoir.
通过多元回归分析,可以定量表达和预测矿物组分对储集层孔隙度的影响。
Three main source directions can be divided according to the light and heavy mineral combination characteristics, as west, southwest and northeastern directions.
根据轻重矿物组合划分出3个主要物源方向,即西、西南和东北方向。
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