4.5 million tonnes (~ 5.33×10^6 m3 or 33.5 million bbl)
The Derna oil field is a shale oil field located in Derna, Bihor County. It was discovered in 1900 but remained undeveloped. The total proven reserves of the Derna oil field are around 33.5 million barrels (4.5×106tonnes), and production if started would be centered on 500 barrels per day (79 m3/d).[1]
References
^"Groapa". Scoala Derna. 2012. Archived from the original on 2016-03-04. Retrieved 2013-05-24.
