Micro fine migration in unconsolidated sandstone reservoir under conditions of stress and stress-free is studied by using cold coring samples from such reservoirs in Block G of Suizhong36-1 Oilfield.

• 利用绥中36-1油田G区块油藏冷冻取心岩样,研究了疏松砂岩油藏在无应力和有应力条件下微细粒运移的特征。