Science Friday Drilling Into The Details Of Venezuela’s Oil
Jan 12, 2026
Dr. Jennifer Miskimins, a petroleum engineer and academic leader at the Colorado School of Mines, sheds light on Venezuela's complex oil reserves. She explains the significant differences in oil types, correcting misconceptions about their value. Miskimins discusses the challenges of refining heavy crude, its impact on gasoline prices, and the necessary infrastructure to extract it efficiently. Despite interest, she highlights risks deterring investment in Venezuela's oil industry, balancing curiosity with caution.
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Venezuela's Reserves Are Largely Heavy Oil
- Much of Venezuela's reserves are heavy oil with very large molecules that behave like tar.
- Jennifer Miskimins compares it to the La Brea Tar Pits to emphasize its gunky nature.
Crude Grade Determines Product Output
- Different crude grades yield different products like gasoline, diesel, jet fuel, and petrochemicals.
- Jennifer Miskimins says refineries need a full suite of feedstocks to produce the range of products we use.
Sweet Versus Sour Refers To Sulfur
- 'Sweet' and 'sour' describe sulfur content; sour oils need more processing due to contaminants.
- Jennifer Miskimins notes sour crude may contain hydrates and sulfide, raising processing needs.