Illinois Exploration
Operator of record for 15 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Illinois Exploration LLC · Illinois Exploration, Inc.
At a glance
Illinois Exploration is the operator of record for 15 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 15 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 14 wells (93% of its portfolio).
Wells operated
15
Active
0
Plugged
15
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 14 |
| Kansas | 1 |
Well mix
- Oil wells
- 7
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Illinois Exploration to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Illinois Exploration operate?
Illinois Exploration's catalogued wells are spread across 2 states: Illinois (14) and Kansas (1). Its 14 Illinois wells are 0.0% of the 174,478 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Illinois Exploration’s wells are active, plugged or orphaned?
0% of Illinois Exploration's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Illinois Exploration operate?
By product class, 7 (47%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Stiawalt 2 in Ness, KS at 4,853 ft. The wells listed below sit in Ness (KS), Wayne (IL), Fayette (IL), Clay (IL), Marion (IL) and Shelby (IL) and other counties. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Illinois Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Stiawalt 2 | 15-135-24742 | Plugged & abandoned | Other type | Ness, KS | Illinois Exploration LLC | 4,853 ft |
| Simms, Cloyd O. 1 | 12-191-00714 | Plugged & abandoned | Other type | Wayne, IL | Illinois Exploration, Inc. | 3,262 ft |
| Harpster 1-A | 12-051-26145 | Plugged & abandoned | Oil | Fayette, IL | Illinois Exploration, Inc. | 3,262 ft |
| Dickey Laura 1 | 12-191-05819 | Plugged & abandoned | Oil | Wayne, IL | Illinois Exploration, Inc. | 3,202 ft |
| Soldner - Milne 1-A | 12-025-27181 | Plugged & abandoned | Oil | Clay, IL | Illinois Exploration, Inc. | 2,625 ft |
| Michel 1 | 12-051-01487 | Plugged & abandoned | Other type | Fayette, IL | Illinois Exploration, Inc. | 2,512 ft |
| Johnson, Paul 1 | 12-121-03349 | Plugged & abandoned | Injection | Marion, IL | Illinois Exploration, Inc. | 2,110 ft |
| Davis, Henry S. 1 | 12-173-00066 | Plugged & abandoned | Other type | Shelby, IL | Illinois Exploration, Inc. | 1,954 ft |
| Kuhle 1 | 12-051-26064 | Plugged & abandoned | Other type | Fayette, IL | Illinois Exploration, Inc. | 1,947 ft |
| Wall 1-I | 12-005-22563 | Plugged & abandoned | Oil | Bond, IL | Illinois Exploration, Inc. | 1,861 ft |
| Stokes, L. E. 1 | 12-051-00038 | Plugged & abandoned | Other type | Fayette, IL | Illinois Exploration, Inc. | 1,786 ft |
| Chapman Oliver 1 | 12-145-02035 | Plugged & abandoned | Other type | Perry, IL | Illinois Exploration, Inc. | 1,731 ft |
Deepest first where depth is published. See all 15 wells →
Frequently asked questions
How many wells does Illinois Exploration operate?
Illinois Exploration is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in Illinois (14). Only wells in states WellCensus has ingested are counted.
How many of Illinois Exploration's wells are still active?
0 of Illinois Exploration's catalogued wells are active; 15 are plugged & abandoned.
In which states does Illinois Exploration operate wells?
Illinois Exploration is the operator of record for wells in Illinois (14) and Kansas (1).
Does Illinois Exploration operate mostly oil or gas wells?
7 of Illinois Exploration's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Illinois Exploration's deepest well?
Among wells with a published depth, Stiawalt 2 in Ness, KS is the deepest at 4,853 ft.
Where Illinois Exploration's wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Illinois Exploration — well portfolio”, https://wellcensus.com/operators/illinois-exploration-91384 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).