| ADR | American depositary receipt. |
|---|---|
| ADS | American depositary share. 1 ADS = 6 ordinary shares. |
| Barrel (bbl) |
159 litres, 42 US gallons. |
| bcf | Billion cubic feet. |
| bcf/d | Billion cubic feet per day. |
| bcfe | Billion cubic feet equivalent. |
| bcma | Billion cubic metres per annum. |
| b/d | Barrels per day. |
| boe | Barrels of oil equivalent |
| boe/d |
Barrels of oil equivalent per day |
| EJ/yr | Exajoules |
| EVP | Executive vice president. |
| FPSO | Floating production, storage and offloading. |
| GAAP | Generally accepted accounting practice. |
| Gas | Natural gas. |
| gCO₂e/MJ |
Grams of carbon dioxide equivalent per megajoule of energy. |
| GHG | Greenhouse gas. |
| GRI | Global Reporting Initiative. |
| GtCO₂ | Gigatonnes of carbon dioxide. |
| GW | Gigwatt |
| GWh | Gigawatt hour. |
| HSSE | Health, safety, security and environment. |
| IFRS | International Financial Reporting Standards. |
| Kb/d | Thousand barrels per day. |
| KPIs | Key performance indicators. |
| kt | Thousand tonnes. |
| LNG | Liquefied natural gas. |
| LPG | Liquefied petroleum gas. |
| mb/d | Thousand barrels per day. |
| Mbbl | Million barrels. |
| mboe/d | Thousand barrels of oil equivalent per day. |
| mmb/d or Mb/d | Million barrels per day. |
| mmboe/d | Million barrels of oil equivalent per day. |
| mmBtu | Million British thermal units. |
| mmcf/d |
Million cubic feet per day. |
| mmte or Mte | Million tonnes. |
| MteCO₂e | Million tonnes of CO₂ equivalent. |
| Mtpa | Million tonnes per annum. |
| MW | Megawatt. |
| MWe | Megawatt electrical. |
| MWp | Megawatt peak. |
| NGLs | Natural gas liquids. |
| PSA | Production-sharing agreement. |
| PTA | Purified terephthalic acid. |
| RC | Replacement cost. |
| RMM | Refining marker margin. |
| scfm | Standard cubit feet per metre |
| SEC | The United States Securities and Exchange Commission. |
| Twh | Terawatt hour. |
| SVP | Senior vice president. |
| WTI | West Texas Intermediate. |