Conversion Timing of Following-Up Thermal Recovery Approaches of Post-CHOP for Foamy Extraheavy Oil Reservoirs

Table 2

Simulation parameters and results of CSS with different conversion pressure.

Conversion pressure (MPa)	Horizontal well spacing (m)	Cycles of CSS	Oil recovery factor of CHOP (%)	Oil recovery factor of CSS (%)	Oil recovery factor (%)	Cumulative; OSR
6.2	300	14	1.2	12.8	14	0.88
4.8	300	13	2.3	12	14.3	0.75
3.4	300	12	3.6	11.6	15.2	0.62
2.0	300	8	5.6	8	13.6	0.55