Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core

Table 2

Compaction method of each vertical layer of the core.

Gas permeability; mD	Porosity; %	Particle size of quartz sand; μm	Quartz sand ratio; %	Epoxy resin ratio; %	Curing agent; %	Compaction pressure; MPa	Compaction time; h
150	18	120~180	85	13.5	6.4	60	4
417	22.5	150~250	86	7.6	6.4	45	3
933	22.6	160~325	88	5.6	6.4	30	2