Il Oil
Operator of record for 63 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Il Oil is the operator of record for 63 catalogued U.S. oil & gas wells in 1 state. 9 (14%) are active, 51 (81%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 63 wells (100% of its portfolio).
Wells operated
63
Active
9
Plugged
51
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 63 |
Well mix
- Oil wells
- 27
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 14%
Is this your company?
Claim Il Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Il Oil operate?
Il Oil's catalogued wells are spread across 1 state: Illinois (63). Its 63 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 Il Oil’s wells are active, plugged or orphaned?
14% of Il Oil's catalogued wells are active, 15 percentage points below the national share of 29%. 81% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Il Oil operate?
By product class, 27 (43%) 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 Winter, C. L. 2 in Richland, IL at 3,150 ft. The wells listed below sit in Richland (IL), Wabash (IL) and Lawrence (IL).
Notable wells operated by Il Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Winter, C. L. 2 | 12-159-02217 | Plugged & abandoned | Injection | Richland, IL | IL Oil Co. | 3,150 ft |
| Buchanan Otis J O-1 | 12-185-05616 | Plugged & abandoned | Other type | Wabash, IL | IL Oil Co. | 2,356 ft |
| Corrie Herbert 1 | 12-185-02631 | Plugged & abandoned | Other type | Wabash, IL | IL Oil Co. | 2,193 ft |
| Butler Gilbert 1 | 12-185-05676 | Plugged & abandoned | Other type | Wabash, IL | IL Oil Co. | 2,187 ft |
| Hershey R L 1 | 12-185-04024 | Plugged & abandoned | Oil | Wabash, IL | IL Oil Co. | 2,044 ft |
| Sparks-Trimble Comm 1 | 12-185-05483 | Plugged & abandoned | Oil | Wabash, IL | IL Oil Co. | 1,991 ft |
| Finley Wm 0-2 | 12-101-05966 | Plugged & abandoned | Oil | Lawrence, IL | IL Oil Co. | 1,843 ft |
| Finley Wm 0-6 | 12-101-06451 | Plugged & abandoned | Oil | Lawrence, IL | IL Oil Co. | 1,842 ft |
| Finley Wm 0-3 | 12-101-06011 | Plugged & abandoned | Oil | Lawrence, IL | IL Oil Co. | 1,829 ft |
| Liddle Dewey 1 | 12-185-05307 | Plugged & abandoned | Oil | Wabash, IL | IL Oil Co. | 1,822 ft |
| Gee-Irwin 1 | 12-101-06766 | Plugged & abandoned | Oil | Lawrence, IL | IL Oil Co. | 1,820 ft |
| Gee-Irwin W-1 | 12-101-06850 | Plugged & abandoned | Injection | Lawrence, IL | IL Oil Co. | 1,815 ft |
Deepest first where depth is published. See all 63 wells →
Frequently asked questions
How many wells does Il Oil operate?
Il Oil is the operator of record for 63 catalogued oil & gas wells, with the largest concentration in Illinois (63). Only wells in states WellCensus has ingested are counted.
How many of Il Oil's wells are still active?
9 of Il Oil's catalogued wells are active; 51 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Il Oil operate wells?
Il Oil is the operator of record for wells in Illinois (63).
Does Il Oil operate mostly oil or gas wells?
27 of Il Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Il Oil's deepest well?
Among wells with a published depth, Winter, C. L. 2 in Richland, IL is the deepest at 3,150 ft.
Where Il Oil'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, “Il Oil — well portfolio”, https://wellcensus.com/operators/il-oil-67102 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).