Acidizing is useful in improving this tight sandstone. Effectiveness of acidizing is controlled by the occurrence and the content of acid soluble cement,Sorting of grain size and the characteristics of pore texture of the reservoir rock.

• 酸化作用对低渗砂岩储集层的改造是可行的,影响酸化效果的因素有酸溶性胶结物含量和产状、岩石粒度及分选性、储层孔隙结构特征。