Its optimum composition was HPAM 1 500 - 2 000 mg/L,XE - 1 800 - 1 000 mg/L,and the stabilizer 300 mg/L. The selectivity , bore core plugging rate, and migration characteristic of CDG were avaluated in laboratory.

• 确定了CDG深部调驱剂体系最佳配方: HPAM浓度为1 500-2 000 mg/L,有机铬交联剂XE-1浓度为800-1 000 mg/L,稳定剂浓度为 300 mg/L。