A research expedition to the Persian Gulf and a dive near Bahrain in search of oil. The film was sponsored by the French arm of British Petroleum, and featured the ship Calypso which later became world famous.
Production companies：
Films Jacques-Yves Cousteau
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Société générale des huiles de pétrole
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Overview：A research expedition to the Persian Gulf and a dive near Bahrain in search of oil. The film was sponsored by the French arm of British Petroleum, and featured the ship Calypso which later became world famous.
