Record no. MRB-2026-005690

World's Largest Conventional Oil Field

Reference Record – Not Certified

This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.

Discovered in 1948 in Saudi Arabia's Eastern Province, the Ghawar Field is the largest conventional oil field ever found, stretching roughly 280 kilometres long. It has supplied a substantial share of the country's crude oil output for more than seven decades.