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- Alabama Geological Survey State Oil and Gas Board
Well Database - Alaska Oil and Gas Conservation Commission
- Arizona Oil and Gas Conservation Commission
Online Data Oil and Gas Well Viewer - Arkansas Oil and Gas Commission
Online Production and Well Information - California Department of Conservation
Well Search - Colorado Oil and Gas Conservation Commission
Live Queries - Idaho Geological Survey
Idaho Oil and Gas Well Info pre 2007 - Idaho Oil and Gas Conservation Commission
- Illinois State Geological Survey Illinois Oil and Gas Resources Interactive Map
- Indiana Geological Survey Petroleum Database Management System
- Iowa Department of Natural Resources - Geology and Mapping
Iowa Geologic Data Web Application - GEOSAM - Kansas Geological Survey Master List of Oil and Gas Wells in Kansas
- Kentucky Geological Survey Oil and Natural Gas Data
- Louisiana Department of Natural Resources
SONRIS Strategic Online Natural Resources Information System - Michigan Oil and Gas Data Miner
- Mississippi State Oil and Gas Board Well Data
- Missouri Department of Natural Resources Oil and Gas
Oil and Gas Resources - Montana Board of Oil and Gas Online Data
- Nebraska Oil and Gas Conservation Commission
GIS Data Mining - Nevada Commission on Mineral Resources Division of Minerals
Oil and Gas Well Information for Nevada - New Mexico Energy, Minerals, and Natural Resources Department Oil Conservation Division
OCD Permitting Well Search
Well File Document Image Search - New York State Department of Environmental Conservation Oil and Gas Database
- New York State Museum Empire State Oil and Gas Information System
- North Dakota Department of Mineral Resources Oil and Gas Division
Search for Wells - Ohio Division of Oil and Gas Resources Well Database
- Oklahoma Corporation Commission Database Links
- Oregon Mineral Land Regulation and Reclamation Oil and Gas Well Log Viewer
- South Dakota Department of Environment and Natural Resources Well Data
South Dakota Oil and Gas Map-Based Data Source - Texas Railroad Commission
Online Research Queries - Utah Online Oil and Gas Well Information System
- Washington State Department of Natural Resources Oil and Gas Resources
- Wyoming Oil and Gas Conservation Commission
- Wyoming Data