| Here’s a list of the 10 biggest publicly traded oil companies, ranked by daily production levels. The ranking is adjusted to reflect Rosneft’s takeover of TNK-BP announced Monday. |
| Company Millions of barrels of oil equivalent produced per day (as of June 2012 unless stated otherwise) |
| Rosneft (Russia) 4.6 |
| ExxonMobil (USA) 4.2 |
| PetroChina 3.5 (as of end of 2011) |
| BP (UK) 3.3 |
| Royal Dutch Shell (Holland, UK) 3.1 |
| Chevron (USA) 2.6 |
| Petrobras Petroleo Brasileiro 2.6 |
| Pemex 2.6 (as of end of 2011) |
| Total (France) 2.3 |
| Lukoil (Russia) 2.1 (as of end of 2011) |
| Source: FactSet |