Color yellow green brown to dark brown black oil at

This preview shows page 13 - 26 out of 76 pages.

Color: yellow, green, brown to dark brown & black Oil at the surface tends to be more viscous, most oils are less dense than water: generally measured as the difference between its density and that of water: API gravity, 10 o -60 o Specific gravity, 0.65-1.0 Thus lighter oils have API > 10° and extra heavy oils are more dense than water °API = 141.5 SG @ 60°F - 131.5
Image of page 13

Subscribe to view the full document.