Skip to main content
U.S. flag

An official website of the United States government

PGRL Method for Determining API Gravity of Crude Oils

API Method.pdf (199.84 KB)

Detailed Description

The Petroleum Geochemistry Research Laboratory utilizes this method to determine the API gravity of crude oils or equivalent materials (for example, organic pyrolysates) either from natural sources or generated by laboratory processes.


Public Domain.