Upper Jurassic Carbonate
Explore the Upper Jurassic Carbonate's role in determining crude oil quality, focusing on Cuban reserves' heavy, sulfur-rich geologic characteristics and origins.
![Why Is Cuban Oil Heavy and Sulfur-Rich? The Geologic Science Behind Its Reserves]()
Why Is Cuban Oil Heavy and Sulfur-Rich? The Geologic Science Behind Its Reserves
Published on 6/17/2026
