1200 Oil and Gas Extraction
This class consists of units mainly engaged in producing crude oil, natural gas or condensate, and in treating these products on site to produce liquified or purified forms of oil and gas.
Exclusions / References
Units mainly engaged in the recovery of liquefied hydrocarbons in conjunction with petroleum refining or gas separation not in conjunction with well operation are included in Class 2510 Petroleum Refining.
Gas, natural extraction; L.N.G. production at wellhead; Liquefied petroleum gas production (not at refineries); Natural gas separation at the wellhead; Oil shale mining