NAICS 211120 - Crude Petroleum Extraction 

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What is NAICS 211120

NAICS code 211120 covers establishments primarily engaged in the exploration, development, and production of crude petroleum. This includes extracting petroleum from wells where hydrocarbons flow naturally or can be produced using conventional or enhanced drilling techniques. It also encompasses production from non-traditional sources such as surface shales, tar sands, or semisolid hydrocarbon reservoirs. Businesses in this sector operate oil wells either on their own behalf or provide services on a contract or fee basis. These firms are critical players in the energy supply chain, providing the foundational raw materials for refining and various petroleum-based products. Government agencies contract for these services to ensure energy security, support strategic reserves, and facilitate infrastructure development related to national energy policies.

Industry Classification for NAICS 211120

This industry comprises establishments primarily engaged in (1) the exploration, development, and/or the production of petroleum from wells in which the hydrocarbons will initially flow or can be produced using normal or enhanced drilling and extraction 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 wells on their own account or for others on a contract or fee basis.

Breakdown for NAICS 211120

  • Includes exploration, development, and production of crude petroleum from wells and unconventional sources.
  • Encompasses both natural flow and enhanced extraction techniques for hydrocarbon recovery.
  • Operations may be conducted on own account or under contract for third parties, including government agencies.
  • Subject to industry-specific environmental and safety regulations and standards.
  • Supports energy supply, strategic reserves, and economic development in the energy sector.
  • Typical business size standards vary but often include small to large enterprises based on revenue and employee count.

Included Activities for NAICS 211120

  • Exploration and evaluation of petroleum reservoirs.
  • Drilling and completion of oil wells.
  • Operation and maintenance of producing oil wells.
  • Enhanced oil recovery and secondary extraction techniques.
  • Extraction of petroleum from tar sands and surface shales.
  • Environmental monitoring and compliance related to extraction activities.
  • Contract management and reporting for production services.
  • Rehabilitation and plugging of depleted wells.

Business Types for NAICS 211120

  • Independent oil and gas extraction companies.
  • Oilfield services contractors specializing in drilling and well operations.
  • Energy resource management firms operating on federal lands.
  • Engineering and technical service providers for petroleum production.
  • Environmental compliance and consulting firms in oil extraction.
  • Large integrated petroleum producers with upstream operations.

Subcategories for NAICS 211120

  • Crude petroleum from oil sand
  • Crude petroleum from oil shale
  • Crude petroleum lease condensate production
  • Crude petroleum production
  • Kerogen processing
  • Offshore crude petroleum production
  • Oil field development for own account
  • Oil field exploration for own account
  • Oil shale mining and/or beneficiating
  • Operating crude petroleum field gathering lines, except on a contract basis
  • Petroleum, crude, production (i.e., extraction)
  • Shale, oil, mining and/or beneficiating
  • Stripper oil well production
  • Tar sands mining

Government Buyers for NAICS 211120

Federal agencies such as the Department of Energy (DOE), the Bureau of Land Management (BLM), and the U.S. Department of the Interior typically procure crude petroleum extraction services. These agencies manage public lands and energy resources, oversee energy production on federal properties, and support strategic petroleum reserves. State and local governments may also require extraction services to develop regional energy resources. Contracts with these agencies help maintain a steady supply of petroleum, support energy independence, and enable technological innovation in resource recovery methods.

Contract Types & Procurement for NAICS 211120

Contracts under NAICS 211120 often include firm-fixed-price, cost-reimbursement, and time-and-materials agreements, depending on the scope and risk profile. Procurement methods frequently involve competitive bidding, negotiated procurements, and long-term supply contracts. Contract values can range widely from small-scale well development projects to multi-million dollar production and exploration initiatives. Large contracts may include provisions for environmental compliance, safety standards, and technological innovation to optimize extraction efficiency and resource management.

Details for NAICS 211120

Explore the hierarchy and related codes for this industry

NAICS Code Industry Title
211130 Natural Gas Extraction 
NAICS Code Industry Title
211 Oil and Gas Extraction
2111 Oil and Gas Extraction
21112 Crude Petroleum Extraction 
211120 Current Crude Petroleum Extraction 
21113 Natural Gas Extraction 
211130 Natural Gas Extraction 
212 Mining (except Oil and Gas)
2121 Coal Mining
21211 Coal Mining
212114 Surface Coal Mining
212115 Underground Coal Mining
2122 Metal Ore Mining
21221 Iron Ore Mining
212210 Iron Ore Mining
21222 Gold Ore and Silver Ore Mining
212220 Gold Ore and Silver Ore Mining
21223 Copper, Nickel, Lead, and Zinc Mining
212230 Copper, Nickel, Lead, and Zinc Mining
21229 Other Metal Ore Mining
212290 Other Metal Ore Mining
2123 Nonmetallic Mineral Mining and Quarrying
21231 Stone Mining and Quarrying
212311 Dimension Stone Mining and Quarrying
212312 Crushed and Broken Limestone Mining and Quarrying
212313 Crushed and Broken Granite Mining and Quarrying
212319 Other Crushed and Broken Stone Mining and Quarrying
21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
212321 Construction Sand and Gravel Mining
212322 Industrial Sand Mining
212323 Kaolin, Clay, and Ceramic and Refractory Minerals Mining
21239 Other Nonmetallic Mineral Mining and Quarrying
212390 Other Nonmetallic Mineral Mining and Quarrying
213 Support Activities for Mining
2131 Support Activities for Mining
21311 Support Activities for Mining
213111 Drilling Oil and Gas Wells
213112 Support Activities for Oil and Gas Operations
213113 Support Activities for Coal Mining
213114 Support Activities for Metal Mining
213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining

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