Great Plains Illini
Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Great Plains Illini is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 4 wells (100% of its portfolio).
Wells operated
4
Active
0
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 4 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Great Plains Illini to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Great Plains Illini operate?
Great Plains Illini's catalogued wells are spread across 1 state: Illinois (4). Its 4 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 Great Plains Illini’s wells are active, plugged or orphaned?
0% of Great Plains Illini'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 Great Plains Illini operate?
By product class, 2 (50%) 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 Usx 15-21 in Franklin, IL at 3,611 ft.
Notable wells operated by Great Plains Illini
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Usx 15-21 | 12-055-24642 | Plugged & abandoned | Other type | Franklin, IL | Great Plains Illini, L.L.C. | 3,611 ft |
| Usx 15-14 | 12-055-24654 | Plugged & abandoned | Oil | Franklin, IL | Great Plains Illini, L.L.C. | 3,232 ft |
| Usx 7-24 | 12-055-24714 | Plugged & abandoned | Other type | Franklin, IL | Great Plains Illini, L.L.C. | 3,135 ft |
| Usx 1-13 | 12-055-24713 | Plugged & abandoned | Oil | Franklin, IL | Great Plains Illini, L.L.C. | 2,992 ft |
Deepest first where depth is published. See all 4 wells →
Frequently asked questions
How many wells does Great Plains Illini operate?
Great Plains Illini is the operator of record for 4 catalogued oil & gas wells, with the largest concentration in Illinois (4). Only wells in states WellCensus has ingested are counted.
How many of Great Plains Illini's wells are still active?
0 of Great Plains Illini's catalogued wells are active; 4 are plugged & abandoned.
In which states does Great Plains Illini operate wells?
Great Plains Illini is the operator of record for wells in Illinois (4).
Does Great Plains Illini operate mostly oil or gas wells?
2 of Great Plains Illini's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Great Plains Illini's deepest well?
Among wells with a published depth, Usx 15-21 in Franklin, IL is the deepest at 3,611 ft.
Where Great Plains Illini'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, “Great Plains Illini — well portfolio”, https://wellcensus.com/operators/great-plains-illini-99659 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).