Question

What does crude oil look like?​

Answer 1

Answer:

Sometimes it is almost colourless, or it can be thick and black. But crude oil usually looks like thin, brown treacle. ... When crude oil comes out of a well (especially an undersea well), the crude oil is often mixed with gases, water and sand. It forms an emulsion with the water that looks a bit like caramel.

Answer 2

As well, the colour of crude oils can vary from nearly colourless - light crude oils - to greenish yellow to reddish to black. ... Sweet crude oils have a more gasoline-like smell, whereas sour crude oils contaminated with high levels of sulfur smell of rotting eggs.