EPSG
Ministry of Oil 2008 licence round.
2015-02-06
Approximate transformation of seismic data acquired before 1985 to CRS used post 1985.
May be emulated using geocentric translations from Nahrwan 1934 to Karbala 1979 of dX=-351, dY=184 and dZ=156m. Other maps give different values - see tfm code 7011.
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