A Novel Method for Improving Water Injectivity in Tight Sandstone Reservoirs

Table 3

Mass of clay accumulations on size exclusion filters for all experiments.

Mass of accumulation on filtration units
Experiments	3  paper (g)	1  paper (g)
Set 1
Exp. 1	0.076	0.075
Exp. 2	0.125	0.072
Exp. 3	0.144	0.072
Exp. 4	0.517	0.298
Set 2
Exp. 5	0.132	0.078
Exp. 6	0.149	0.099
Exp. 7	0.163	0.104
Exp. 8	0.495	0.315