Professional Idiot

A persistent error runs through most public discussion of oil policy, especially in political circles. Oil is treated as if it were a single interchangeable commodity. In reality, crude oil exists, coarsely, on a two-axis spectrum defined by density and sulfur content, and refineries are built around narrow slices of that spectrum. Light, sweet crudes flow easily, contain little sulfur, and yield high proportions of gasoline, naphtha, and petrochemical feedstocks. Heavy, sour crudes are dense, sulfur rich, and yield larger fractions of diesel, residual fuels, and asphalt. These differences are not academic.

They determine where crude can go, what it can be turned into, and whether it is economic at all. Much of US policy still operates on a 1970s mental model of oil scarcity, when volume mattered more than quality and demand growth was assumed.

Venezuela is often described as having the world’s largest proven oil reserves at around 300 billion barrels, which would represent roughly 17% of the global total and easily exceed the reserves of the United States and Russia, but the simple fact of large reserves masks critical nuances about extraction and market value. Most of this oil is extra-heavy crude concentrated in the Orinoco Belt, buried deep underground and much more viscous and sulfur-rich than the light crude that dominates global trade, so producing it requires blending with lighter hydrocarbons, significant diluent imports, and more complex processing. All of this makes extraction costlier and slower compared with conventional light oil.