Major South-West Asian oil fields are located in - (1) Shore regions of Persian Gulf (2) Euphratis-Tigris Basin (3) Arabian Desert (4) Rub-al-Khali Desert
(1) Shore regions of Persian Gulf Explanation: The Persian Gulf and its coastal areas are the world’s largest single source of crude oil. The oil-rich countries (excluding Iraq) that have a coastline on the Persian Gulf are referred to as the Persian Gulf States.