NAICS
21111: Oil and Gas Extraction
This industry comprises establishments primarily engaged in operating
and/or developing oil and gas field properties and establishments
primarily engaged in recovering liquid hydrocarbons from oil and gas
field gases. Such activities may include exploration for crude
petroleum and natural gas; drilling, completing, and equipping wells;
operation of separators, emulsion breakers, desilting equipment, and
field gathering lines for crude petroleum; and all other activities in
the preparation of oil and gas up to the point of shipment from the
producing property. This industry includes the production of crude
petroleum, the mining and extraction of oil from oil shale and oil
sands, the production of natural gas and the recovery of hydrocarbon
liquids from oil and gas field gases. Establishments in this industry
operate oil and gas wells on their own account or for others on a
contract or fee basis.
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