Oil & gas wells in Clark County, IL
8,336 catalogued wells in Clark County, Illinois, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Clark County, Illinois has 8,336 catalogued oil & gas wells: 1,628 active (20%), 3,633 plugged & abandoned (44%) and 124 documented orphans. It ranks 5th of the 98 Illinois counties WellCensus profiles by well count and holds 5% of the state's 174,478 catalogued wells.
Catalogued wells
8,336
Active
1,628
Plugged
3,633
Documented orphans
124
What is the status of oil and gas wells in Clark County?
20% of Clark County's wells are active, close to the Illinois share of 19%. 44% are plugged & abandoned, against 61% statewide and 47% nationally. 522 wells (6%) are shut-in — unplugged but idle. 124 wells (1%) are documented orphans with no operator able to plug them, compared with 2% across Illinois and 4% nationally. The remaining 2,429 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Clark County?
By product class, 2,843 of the county's wells (34%) are oil wells, 52 (0.6%) gas wells and 854 (10%) injection wells. Statewide the oil share is 40% and the gas share 1%. The deepest total depth published for a Clark County well is 6,097 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 Clark County compare with other Illinois counties?
Clark County has the 5th-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 8th in Illinois.
Who operates wells in Clark County?
891 distinct operators of record are linked to wells in Clark County. 90% 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 Clark County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Well API 12-023-24886 | 12-023-24886 | Orphaned | Unknown | — |
| Well API 12-023-26811 | 12-023-26811 | Orphaned | Unknown | — |
| Well API 12-023-90033 | 12-023-90033 | Orphaned | Unknown | — |
| Fox, Nora (S. Johnson) E-19 | 12-023-02519 | Other status | Other type | Forest Oil Corporation |
| Brant, Z.E. J-16 | 12-023-02563 | Other status | Other type | Forest Oil Corporation |
| Deverick, R.E. J-18 | 12-023-02585 | Other status | Other type | Forest Oil Corporation |
| Lee, Cuma 1 | 12-023-02905 | Other status | Oil | Streeter, Virgil |
| Phillips, Ray 3-A | 12-023-03018 | Other status | Oil | Streeter, Virgil |
| Phillips, Ray 5-A | 12-023-03039 | Other status | Oil | Streeter, Virgil |
| Lee, Cuma 1-A | 12-023-03048 | Other status | Oil | Streeter, Virgil |
| Shaw 2 | 12-023-03147 | Other status | Oil | Cowan, J. L. |
| Daly, E.P. 11-T | 12-023-24821 | Other status | Oil | Ashley Oil Company |
| Lindley 2-K | 12-023-24832 | Other status | Oil | Knierim Company, Inc. |
| Huisinga - McVey 4-T | 12-023-24838 | Other status | Oil | Ashley Oil, Inc. |
| Newman 12 | 12-023-24912 | Other status | Oil | Redman Production Co. |
| Winter 3 | 12-023-24927 | Other status | Oil | Jason Recovery System, Ltd. |
| Biggs, Doit 31 | 12-023-24941 | Other status | Oil | Huff Drilling Co., Inc. |
| Lindley 6-K | 12-023-25738 | Other status | Oil | Knierim Company, Inc. |
| Ulrey 10 | 12-023-25797 | Other status | Oil | Schuette, Timothy |
| Cole, Frank 21 | 12-023-25807 | Other status | Oil | Knierim, Max Inc. |
| Phillips 19 | 12-023-27171 | Other status | Oil | Atlantis Energy, Inc. |
| Phillips 27 | 12-023-27174 | Other status | Oil | Atlantis Energy, Inc. |
| Dillier B3-C | 12-023-27249 | Other status | Other type | Dover Illinois I, LLC |
| Huisinga B1-C | 12-023-27267 | Other status | Other type | Dover Illinois I, LLC |
| Davison 10 | 12-023-27365 | Other status | Oil | Atlantis Energy, Inc. |
A sample of the county’s wells — every catalogued well has its own page. Browse all 8,336 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 Clark County, IL?
Clark County, Illinois has 8,336 catalogued oil & gas wells: 1,628 active, 3,633 plugged and 124 documented orphans.
How many orphaned wells are in Clark County?
124 wells in Clark County, Illinois are documented orphans — unplugged with no solvent operator of record, the 8th-highest count among Illinois counties.
What share of wells in Clark County are plugged?
3,633 of Clark County's 8,336 catalogued wells (44%) 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); Clark County ranks 5th with 8,336.
How many companies operate wells in Clark County?
891 distinct operators of record are linked to catalogued wells in Clark 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 Clark County, Illinois”, https://wellcensus.com/wells/illinois/clark (data as of October 10, 2026).