Petrospec Technologies
Eaton Exponent Worksheet
EE = log( (obg - pres / tvd) / (obg - nhg) ) / log(val
o
/ val
n
)
Constants
Constant Name
Value
Overburden Gradient (psi/ft)
Normal Hydrostatic Gradient (psi/ft)
Data Values
True Vertical Depth
(feet)
Observed Pressure
(psi)
Observed Log Value
Normal Log Value
Eaton Exponent
