A reservoir drying method for enhancing recovery of tight gas
ZHANG Liehui,XIONG Yu,ZHAO Yulong,TANG Hongming,GUO Jingjing,JIA Chunsheng,LEI Qiang,WANG Binghe
Table 4
The tested results of drying efficiency on tight cores with fractures
Core
No.
Gas
porosity/
%
Gas per-
meability/
10
-3
μm
2
Drying efficiency/%
0.2 g AC
0.3 g AC
0.4 g AC
313
26.74
6.850
3.88
4.80
4.88
780
28.76
39.630
4.51
6.43
9.23
9
6.43
0.364
8.13
11.64
12.90