Oil major by current and upcoming oil and gas operations. Reserves measured in billions of barrels of oil equivalent (bboe)
| ExxonMobil | 336 | 72<span class="decimals" aria-hidden="true">.0</span> | 18 | 26.7 |
|---|---|---|---|---|
| Shell | 423 | 53.9 | 45 | 34.2 |
| Total | 234 | 76.9 | 47 | 43.3 |
| Chevron | 141 | 41.7 | 12 | 5.1 |
| BP | 216 | 54.8 | 35 | 13<span class="decimals" aria-hidden="true">.0</span> |
