Glossary
Term | Definition |
---|---|
Oil | Liquid hydrocarbons, generally more viscous and darker in color than condensates. |
oil field | A subsurface accumulation of hydrocarbons. |
oil window | The depth interval in which source rock can actively generate mobile oil. |
OIP | Oil in place. The volume of oil held in a reservoir in the subsurface . Not all of this oil can be recovered. |
OWC | Oil-water contact, which marks the base of an oil accumulation. |