The oil and gas industry plays a vital role in the global economy, supplying the primary energy source for transportation, manufacturing, power generation and more. It involves the exploration, extraction, refining, transport, and sale of petroleum products. While the shift to renewables is accelerating, oil and gas remain indispensable due to their high energy density and established infrastructure. Devon Energy Corporation (DVN) and Occidental Petroleum Corporation (OXY) are major U.S. oil and gas produce ...