Oil exploration in the Dukhan area began in 1935; construction on the first oil well in Dukhan began in 1939 and was finished the next year.
Construction on Dukhan's first oil well began in 1939 and was finished the next year. Oil exploration in the Dukhan area began in 1935.
Oil exploration in the Dukhan area began in 1935. Construction on Dukhan's first oil well began in 1939 and was finished the next year.
Oil exploration in the Dukhan area began in 1935. Construction on Dukhan's first oil well began in 1939 and was finished the next year.