A Study on the Adjustment of Emulsification Degree to Interlayer Interference in Class III Reservoir

Table 3

Comparison of oil displacement efficiency under transistor core.

Permeability contrast	Scheme	Recovery percent of water flooding (%)	Recovery percent of chemical flooding (%)	Total recovery (%)
2 ()	ASP flooding	36.44	10.56	47.00
	Emulsion flooding	35.41	21.16	56.57
	ASP flooding and emulsion flooding	34.56	17.37	51.93
4 ()	ASP flooding	34.25	12.03	46.28
	Emulsion flooding	33.08	23.03	56.11
	ASP flooding and emulsion flooding	32.41	18.64	51.05