Study on Start-Up Process of SAGD by Solvent: Experiment Research and Process Design

Table 2

Comparison of the time required for the temperature between the two horizontal wells to rise to 80°C.

Temperature test point number	1	2	3	4	5
Distance from the injection, cm	6	12	18	24	30
Steam cycle time, h	7	4.5	6	7	8
Solvent+steam cycle time, h	4	3.5	5	6	7.5
Cycle time reduction, %	42.86	22.22	16.67	14.29	6.25
Average cycle time reduction, %	15
Steam injection reduction, %	21.4