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1 result for “crude”
Formulae (1)
Petroleum & Drilling
Basic
API Gravity
A
P
I
=
141.5
S
G
−
131.5
API = \frac{141.5}{SG} - 131.5
A
P
I
=
S
G
141.5
−
131.5
Standard measure of how light or heavy a crude oil is relative to water.