Видео с ютуба Heavy Oil
Types of Crude Oil: Heavy vs Light, Sweet vs Sour, and TAN count
The Difference Between Sweet and Sour Crude Oil
Why the U.S. can’t use the oil it produces
This Is Why the U.S. Can’t Use the Oil It Produces
Petroleum refining processes explained simply
How Much Oil Does Earth Actually Have Left?
This Is Why Cargo Ships Drink Asphalt Instead of Diesel
How It's Made: 26 Million Gallons of Gasoline Per Day | Inside America's Largest Refinery
Changing The Ship's Fuel : From Heavy Fuel Oil to Gas Oil Changeover Procedure | Chief MAKOi
Dense, sticky and heavy: why Venezuela’s oil is valuable to Trump