About the data
WellheadMap compiles public well records published by 8 state agencies and normalizes them so the same status and well-type names mean the same thing in every state.
| State | Source |
|---|---|
| Arkansas | Arkansas GIS Office: Arkansas Oil and Gas Commission wells layer (no API numbers; wells are listed by permit number). Data as of 2026-07-22. |
| Colorado | Colorado Energy and Carbon Management Commission (ECMC): Well Spots (APIs) shapefile, updated daily. Data as of 2026-10-16. |
| Louisiana | Louisiana Office of Conservation (SONRIS): Oil/Gas Wells layer. Data as of 2026-10-17. |
| New Mexico | New Mexico Oil Conservation Division (EMNRD): OCD wells map service, oil, gas, CO2, injection and water layers. Drilling dates are not in this source. Data as of 2026-10-17. |
| Ohio | Ohio Department of Natural Resources, Division of Oil and Gas Resources: oil and gas wells map service. Drilling dates and depths are not in this source. Data as of 2026-10-17. |
| Oklahoma | Oklahoma Corporation Commission: RBDMS well data (nightly) and the orphan well list. Data as of 2026-10-17. |
| Pennsylvania | Pennsylvania Department of Environmental Protection: Oil and Gas Wells All layer (conventional, unconventional, abandoned and orphan wells). Data as of 2026-10-17. |
| Texas | Railroad Commission of Texas: public map well locations and the Wellbore Query file. Data as of 2026-10-17. |
Statuses
- Active
- Shut in
- Temporarily abandoned
- Plugged
- Orphaned
- Permitted
- Drilling
- Cancelled / expired
- Unknown
Each well page links to the state's own record where the state provides one. Records can be incomplete, out of date or wrong; always confirm important details with the agency.