# Permian Basin — World's Most Productive Oil Field (~6 M bbl/day)
## The Energy Codex
Session 14 | 2026-05-03

GPS ~31.9N 102.5W, west Texas and southeastern New Mexico USA. ~6 M bbl/day production (2024) — world's highest. ~45-50 Gbbls estimated recoverable resources (USGS Wolfcamp 2018: 46.3 Gbbls). Area 350,000 km². Producing since 1921. Shale revolution post-2008: horizontal drilling + multi-stage hydraulic fracturing. Sub-basins: Midland (east), Delaware (west), Central Platform. Key formations: Wolfcamp (largest), Spraberry, Bone Spring. Major operators: ExxonMobil+Pioneer (acquired May 2024, ~$60bn, 1M+ bbl/day), Chevron, ConocoPhillips, Occidental Petroleum. Sources: USGS, US EIA, ExxonMobil, GEM GOGET CC BY 4.0.