Illini Development
Operator of record for 6 catalogued wells across 2 states. Every well below links to its full registry page.
At a glance
Illini Development is the operator of record for 6 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 6 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 5 wells (83% of its portfolio).
Wells operated
6
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 5 |
| California | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim Illini Development to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Illini Development operate?
Illini Development's catalogued wells are spread across 2 states: Illinois (5) and California (1). Its 5 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 Illini Development’s wells are active, plugged or orphaned?
0% of Illini Development'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 Illini Development operate?
By product class, 1 (17%) are oil wells and 1 (17%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Alderson 3 in Christian, IL at 3,218 ft. The wells listed below sit in Christian (IL), Sangamon (IL) and Solano (CA).
Notable wells operated by Illini Development
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Alderson 3 | 12-021-02254 | Plugged & abandoned | Other type | Christian, IL | Illini Development Company | 3,218 ft |
| Alderson 3 | 12-021-02107 | Plugged & abandoned | Other type | Christian, IL | Illini Development Company | 2,012 ft |
| Berry, Belva 1 | 12-021-02226 | Plugged & abandoned | Other type | Christian, IL | Illini Development Company | 1,813 ft |
| Snodgrass, William A-1 A-1 | 12-167-01215 | Plugged & abandoned | Oil | Sangamon, IL | Illini Development Company | 1,770 ft |
| Berry, Bellva 1 | 12-021-02263 | Plugged & abandoned | Other type | Christian, IL | Illini Development Company | 1,766 ft |
| Hanna 1 | 04-095-20481 | Plugged & abandoned | Gas | Solano, CA | Illini Development Company | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Illini Development operate?
Illini Development is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Illinois (5). Only wells in states WellCensus has ingested are counted.
How many of Illini Development's wells are still active?
0 of Illini Development's catalogued wells are active; 6 are plugged & abandoned.
In which states does Illini Development operate wells?
Illini Development is the operator of record for wells in Illinois (5) and California (1).
Does Illini Development operate mostly oil or gas wells?
1 of Illini Development's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Illini Development's deepest well?
Among wells with a published depth, Alderson 3 in Christian, IL is the deepest at 3,218 ft.
Where Illini Development'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, “Illini Development — well portfolio”, https://wellcensus.com/operators/illini-development-18154 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).