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Term Definition

An event observed on a seismic section that usually corresponds to a buried rock surface.


The volume of oil or gas that can be recovered from the subsurface. Generally used in the context of commerciality.


A porous rock unit in which hydrocarbons occur in an oil field.


A measure of uncertainty relating to the likelihood of finding hydrocarbons, or, the likelihood that any or all of the individual geological elements required for the accumulation of hydrocarbons is met.

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