NAICS
211111: Crude Petroleum and Natural Gas Extraction
This U.S. industry comprises establishments primarily engaged in (1)
the exploration, development and/or the production of petroleum or
natural gas from wells in which the hydrocarbons will initially flow or
can be produced using normal pumping techniques, or (2) the production
of crude petroleum from surface shales or tar sands or from reservoirs
in which the hydrocarbons are semisolids. Establishments in this
industry operate oil and gas wells on their own account or for others
on a contract or fee basis.
The data published with NAICS code 211111 include the following
SIC industry:
1311 Crude petroleum and natural gas