- conventional through sands liquids reserves 44-2016 Cony. onshore Low 35 High 61 Avg 52 (mmbbl) 2,792 Cony. shelf 22 102 50 2,650 Deepwarer 28 68 49 6,998 Oil Sands 63 95 70 2,466 43-2017 Cony. onshore tow 26 High 55 Avg 45 Liquids reserves (mmbbl) 3,047 Cony. shelf