MNA According to OPECs latest monthly report, Iranian heavy oil price increased $5.10 per barrel in February, 2019, reaching $61.29. According to the same report, Iran could sell a barrel of crude oil at $56.29 in March, 2019. The prices witnessed a monthly increase of 9 percent in February. The countrys average heavy crude price was also reported to be $64.14 per barrel in 2018. The same report confirmed.