 In 2005, IOGP absorbed the European Petroleum Survey Group or EPSG (1986–2005) into its structure as IOGP Geomatics Committee.EPSG was a scientific organization with ties to the European petroleum industry consisting of specialists working in applied geodesy, surveying, and cartography related to oil exploration.The EPSG Geodetic Parameter Dataset is a widely used database of Earth ellipsoids, geodetic datums, geographic and projected coordinate systems, units of measurement, etc, which was originally created by EPSG and still carries the EPSG initials to this day.