Mechanism of expanding swept volume by nano-sized oil-displacement agent
LEI Qun,LUO Jianhui,PENG Baoliang,WANG Xiaocong,XIAO Peiwen,WANG Pingmei,HE Lipeng,DING Bin,GENG Xiangfei
Table 1
Parameters of experimental cores.
Core
No.
Length/
cm
Diameter/
cm
Porosity/
%
Gas permeabi-
lity/10
-3
μm
2
Dry weight/g
LA-5-1
4.8
2.5
14.6
1.31
54.3
LA-5-2
5.0
2.5
14.6
1.31
55.4
LA-10-1
5.0
2.5
14.6
1.21
56.0