Glossary
Absolute permeability
The permeability of a flow system that is completely saturated with a single fluid.
Absolute pressure
Pressure measured relative to a vacuum.
Allowable
A production rate limit set by a regulatory agency to maximize the overall recovery from a reservoir.
Anticline
A geological structure that forms a hydrocarbon trap. It is a fold that is convex down.
API
An abbreviation for the American Petroleum Institute.
API gravity
The weight of a hydrocarbon liquid relative to an equal volume of water. Pure water has an API gravity of 10. A higher API gravity indicates a less dense liquid.
Aquifer
A subsurface geologic formation consisting of interstitial water stored in porous rock.
Areal sweep efficiency
The fraction or percentage ...
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