@wikipedia


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

where

reservoir pressure at a given location  location 

equivalent reservoir pressure at Datum

TVDSS of  location

Datum

hydrostatic pressure gradient


See Also


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