The Persian Gulf island nation of Bahrain says it has discovered its largest oil field since the country's first oil well began operation nearly 90 years ago.

DUBAI, United Arab Emirates (AP) — The small island-nation of Bahrain says its largest ever discovery of oil amounts to an estimated 80 billion barrels.

Bahrain, the smallest oil producer in the Persian Gulf, has found an estimated 80 billion barrels of shale oil in place, making it the country’s largest discovery in eight decades.

Bahrain, which sits between energy titans Saudi Arabia and Qatar in the Persian Gulf, has announced its biggest oil discovery since 1932.

Bahrain, the smallest energy producer in the Persian Gulf, discovered its biggest oil field since it started producing crude in 1932, according to the country’s official news agency.

Bahrain said on Sunday it had discovered the country's largest oil field in decades, located off the west coast of the kingdom, according to state news agency BNA.

Bahrain, the smallest energy producer in the Persian Gulf, discovered its biggest oil field since it started producing crude in 1932, according to the country’s official news agency.

Dubai, United Arab Emirates – The small island-nation of Bahrain on Wednesday announced the discovery of 80 billion barrels of shale oil, its largest oil and gas find ever.