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. 2023 Jul 6;8(28):25525–25537. doi: 10.1021/acsomega.3c03149

Table 6. Effect of Retention Time during Low-Rate Injection of Xylene on Improved Permeability.

injection rate (cm3/min) retention time (days) initial permeability (mD) permeability after damage (mD) permeability after solvent injection (mD) damage due to asphaltene deposition (%) efficiency of the solvent (%)
1.68 1 6.83 1.14 2.19 83 32.06
1.88 2 5.83 1.12 2.19 81 37.56
1.50 3 8.19 1.62 3.19 80 38.95