Annual Oil and Gas Extraction Survey (OGEX)
Summary of changes
Activity on this program started: 1965
Reference period of change - 2018
Target population - As of the 2018 reference year, companies are classified according NAICS 2017
Reference period of change - 2014
Instrument design - Survey program integrated into IBSP framework.
Reference period of change - 2011
Target population - As of the 2011 reference year, companies are classified according to NAICS 2012.
Reference period of change - 2008
Collection instrument - The questionnaire short form was used for the 2008 reference period only.
Reference period of change - 2006
Target population - As of the 2006 reference year, companies are classified according to NAICS 2007.
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