| name | Current production of gas (m³/day) | Current production of oil (barrels/day) | date discovered | date Start of development | date Start of production | Estimated gas in place (m³) | Estimated oil in place (kg) | Country | continent | latitude (°) | longitude (°) | Offshore/onshore | city | administrative división | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bazna gas field | 670,000 | 1912 | 1912 | 1915 | 30,000,001,024 | onshore | |||||||||
| Belayim oil field | 1961 | 1962 | 373,000,011,776 | offshore | |||||||||||
| Bemolanga | 2,260,000,047,104 | -17.7833328247 | 45.1166648865 | Onshore |  | ||||||||||
| Bențid gas field | 850,000 | 1964 | 1964 | 1966 | 2,800,000,000 | onshore | |||||||||
| Bend Arch–Fort Worth Basin | during 1900 | 1917 | Onshore | ||||||||||||
| Bentley Oil Field | 1977 | 2016 | 2019 | 370,000,000 | 120,200,003,584 | 59.9333343506 | 1.5666667223 | Offshore | | ||||||
| Berbinceni gas field | 200,000 | 2008 | 2008 | 2008 | 1,500,000,000 | onshore | |||||||||
| Beregovoye field | 1982 | 2007 | Onshore | ||||||||||||
| Bianca gas field | 620,000 | 2010 | 2014 | 2015 | 4,100,000,000 | offshore | |||||||||
| Bilca gas field | 100,000 | 2000 | 2000 | 2006 | 3,000,000,000 | onshore |