Six sections, twenty-six evergreen explainers. Start anywhere — each one stands alone, and links out to the others.
How the industry works — from wellhead to fuel tank, the barrel and the chain.
Section 02How horizontal drilling and fracking turned marginal rock into a swing producer.
Section 03The integrated giants — what they do, and how capital gets allocated.
Section 04Why the oil price moves — supply, demand, spare capacity and sentiment.
Section 05The physical plumbing — pipelines, tankers, refineries, storage and terminals.
Section 06How oil and power shape each other — chokepoints, sanctions, alliances and the resource politics behind supply. Non-partisan, evergreen.