| Romashkino field | |
| Country: | Russia |
| Region: | Tatarstan |
| Offonshore: | onshore |
| Location Map: | Russia |
| Operator: | Tatneft |
| Discovery: | 1948 |
| Est Oil Bbl: | 17200 |
| Formations: | Kinovskiy and Pashiyskiy |
The Romashkino field (Russian: Ромашкинское нефтяное месторождение; Tatar: Ромашкино нефть чыганагы) is an oil field in Leninogorsky District, southeastern Tatarstan, Russia. Discovered in 1948 by the village of Romashkino, it is the largest oil field of Volga-Ural Basin. The field is operated by Tatneft.
The field covers approximately . The oil deposit is lays in depth of about in Kinovskiy and Pashiyskiy formations. Since its commissioning, the Romashkino field had produced over of oil. Statistic analysis predicted depletion at 16.5to. However, advanced technologies allow for extraction of more oil.