Drilling Oil & Gas Wells
Key Figures
Figures are published for NAICS 213111 directly.
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Official definition
This U.S. industry comprises establishments primarily engaged in drilling oil and gas wells for others on a contract or fee basis. This industry includes contractors that specialize in spudding in, drilling in, redrilling, and directional drilling.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Establishments in NAICS 213111 specialize in the actual drilling of oil and gas wells on a contract or fee basis, including spudding in, redrilling, and directional drilling activities. The boundary with NAICS 213112 separates drilling operations from post-drilling support services; NAICS 213112 covers well completion and maintenance work such as cementing, perforating, acidizing, and casings removal. Exploration activities like core sampling and geological observations at prospective sites, by contrast, are classified in NAICS 213112 rather than in well drilling.