The size of the reserves was favourably assessed by the Mineral Reserves Commission and approved by the Minster of Environment. Our total documented reserves, expressed as barrel of oil equivalent, were 768,8 million at the end of 2009 - where 615,9 million were natural gas reservers and 152,9 million were crude oil reserves.
| RESERVES OF NATURAL GAS AND CRUDE OIL | ||||||
| Product | Unit | 2009 |
2008 |
2007 | 2006 | 2005 |
| Natural gas |
mboe |
616 |
587 | 611 |
637 |
648 |
| Crude oil |
mboe |
153 | 156 | 154 | 159 | 160 |
| Total |
mboe |
769 |
743 |
765 | 796 | 808 |