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 6.
Specific parameters of fractures with different shapes.
Sample No.
Fracture shape
Core length/cm
Evaluation index
5-20-27-2
Vertical single fracture
6.8
1.53
5-18-27-3
Vertical double fractures
6.5
1.95
5-18-27-1
Multiple high angle fractures
6.3
2.68