Chemical-Enhanced Oil Recovery Using N,N-Dimethylcyclohexylamine on a Colombian Crude Oil

Table 1

Properties of the light oil used before and after injection of DMCHA in sand-pack column.

Physical properties	Before	After
Water content (%)	0.027	0.011
Viscosity (cSt to 30°C)	10.11	9.50
API (@60°F)	29.8	32.1
Relative density	0.8772	0.8671