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.
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美
- 酸化作用對低滲砂巖儲集層的改造是可行的,影響酸化效果的因素有酸溶性膠結物含量和產(chǎn)狀、巖石粒度及分選性、儲層孔隙結構特征。