Nuclear magnetic resonance experimental study of CO
2
injection to enhance shale oil recovery
LANG Dongjiang,LUN Zengmin,LYU Chengyuan,WANG Haitao,ZHAO Qingmin,SHENG Han
Table 2.
Physical parameters of the samples under different pressures.
Sample No.
Diameter/cm
Length/cm
Porosity/%
Permeability/10
-3
μm
2
5-18-27-4
2.48
6.43
7.4
0.070
5-18-27-5
2.49
6.51
7.2
0.068
5-18-27-6
2.48
6.45
7.1
0.071
5-18-27-2
2.49
6.53
7.0
0.072