Geodetic CRS: Nahrwan 1967
Datum: Nahrwan 1967
Ellipsoid: Clarke 1880 (RGS)
Prime meridian: Greenwich
Data source: EPSG
Information source: Ministry of Oil 2008 licence round.
Revision date: 2010-03-31
Scope: Approximate transformation of seismic data acquired before 1985 to CRS used post 1985.
Remarks: There is some doubt as to whether source CRS is Nahrwan 1967 or Nahrwan 1934. May be emulated using geocentric translations fromn Nahrwan 1967 to Karbala 1979 of dX=-337, dY=192 and dZ=172m.
Method: Cartesian Grid Offsets
Description: (0,)