Oil & gas wells in Clay County, IL
7,355 catalogued wells in Clay County, Illinois, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Clay County, Illinois has 7,355 catalogued oil & gas wells: 1,116 active (15%), 5,826 plugged & abandoned (79%) and 95 documented orphans. It ranks 7th of the 98 Illinois counties WellCensus profiles by well count and holds 4% of the state's 174,478 catalogued wells.
Catalogued wells
7,355
Active
1,116
Plugged
5,826
Documented orphans
95
What is the status of oil and gas wells in Clay County?
15% of Clay County's wells are active, 4 percentage points below the Illinois share of 19%. 79% are plugged & abandoned, against 61% statewide and 47% nationally. 30 wells (0.4%) are shut-in — unplugged but idle. 95 wells (1%) are documented orphans with no operator able to plug them, compared with 2% across Illinois and 4% nationally. The remaining 288 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Clay County?
By product class, 3,807 of the county's wells (52%) are oil wells, 1 (0.0%) gas wells and 923 (13%) injection wells. Statewide the oil share is 40% and the gas share 1%. The deepest total depth published for a Clay County well is 6,762 ft, against 29,864 ft for Illinois as a whole. 100% of the county's wells carry coordinates and appear on the map.
How does Clay County compare with other Illinois counties?
Clay County has the 7th-most catalogued wells of the 98 Illinois counties with at least 25. The median Illinois county on WellCensus has 525 wells. The largest, Crawford County, has 22,961. By documented orphans it ranks 11th in Illinois.
Who operates wells in Clay County?
1,172 distinct operators of record are linked to wells in Clay County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.
Wells in Clay County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Buchanan 4 | 12-025-25449 | Other status | Oil | Hudson, Larry A. |
| Reed Heirs R-3 | 12-025-00035 | Other status | Oil | B-F-B Oil, Inc. |
| Kidwell, A. L. 5-B | 12-025-00070 | Other status | Oil | Britton, Shelby A. & Sylvia |
| Vangeison 2 | 12-025-00074 | Other status | Oil | B-F-B Oil, Inc. |
| Moseley, Aden L. C-3 | 12-025-02169 | Other status | Other type | Equinox Oil Company |
| Weiler, E. E. 5 | 12-025-02192 | Other status | Other type | Equinox Oil Company |
| Bunnyville cons. - Poppe, Oscar 4 | 12-025-03049 | Other status | Oil | Union Oil Company of California |
| Poppe, Oscar 12 | 12-025-03054 | Other status | Other type | Equinox Oil Company |
| Noll 2 | 12-025-25907 | Other status | Oil | Britton, Shelby A. & Sylvia |
| Taylor, W. H. B-1 | 12-025-26037 | Other status | Injection | Union Oil Company of California |
| Noll 6 | 12-025-26042 | Other status | Oil | Britton, Shelby A. & Sylvia |
| Bailey, F. 1 | 12-025-26488 | Orphaned | Injection | Bailey, Fred L. |
| Workman, Ralph 2 | 12-025-27063 | Orphaned | Oil | Wyman, Ross & Norma R. |
| Arps, Elizabeth 1 | 12-025-27149 | Orphaned | Oil | Anderson, Bruce |
| Bunn, C.R. B-5 | 12-025-26507 | Other status | Oil | Union Oil Company of California |
| Smith, J. J. 6 | 12-025-26526 | Other status | Oil | Union Oil Company of California |
| Banker 3 | 12-025-26691 | Other status | Oil | Britton, Shelby A. & Sylvia |
| Bunn, C. R. B-7 | 12-025-26745 | Other status | Oil | Union Oil Company of California |
| Bunn Consolidated 3 | 12-025-26925 | Other status | Oil | Union Oil Company of California |
| Stanford - Chaffin 2 | 12-025-26964 | Other status | Oil | Midwest Oil & Gas |
| Iffert 3 | 12-025-27126 | Other status | Oil | Midwest Oil Producers |
| Bunn, Margaret 8 | 12-025-27211 | Other status | Injection | Union Oil Company of California |
| Clay City - Bissey, G. H. A-6 | 12-025-27212 | Other status | Oil | Union Oil Company of California |
| Croy 1 | 12-025-27254 | Other status | Oil | Gator Oil Company |
| Hamilton, Gussie 2-A | 12-025-27311 | Other status | Oil | Gator Oil Company |
A sample of the county’s wells — every catalogued well has its own page. Browse all 7,355 in search → (filter by operator, status and type, then export), or find a specific well on the live map.
Frequently asked questions
How many oil and gas wells are in Clay County, IL?
Clay County, Illinois has 7,355 catalogued oil & gas wells: 1,116 active, 5,826 plugged and 95 documented orphans.
How many orphaned wells are in Clay County?
95 wells in Clay County, Illinois are documented orphans — unplugged with no solvent operator of record, the 11th-highest count among Illinois counties.
What share of wells in Clay County are plugged?
5,826 of Clay County's 7,355 catalogued wells (79%) are plugged & abandoned, compared with 61% across Illinois.
Which Illinois county has the most oil and gas wells?
Crawford County has the most catalogued wells of any Illinois county on WellCensus (22,961); Clay County ranks 7th with 7,355.
How many companies operate wells in Clay County?
1,172 distinct operators of record are linked to catalogued wells in Clay County, Illinois.
Nearby in the Illinois rankings
About this data
Source: Illinois State Geological Survey well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Clay County, Illinois”, https://wellcensus.com/wells/illinois/clay (data as of October 10, 2026).