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 μm2
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