@wikipedia


p(x, y, z_{\rm dat}) = p(x,y,z) + GP \cdot ( z_{\rm dat} - z )

where

pressure at reservoir location  

equivalent reservoir pressure at Datum depth 

Datum

hydrostatic pressure gradient


See Also


Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering / Datum / Datum Pressure