Erg Illinois
Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Erg Illinois is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. 3 (75%) are active, 1 (25%) plugged & abandoned. Its largest concentration is in Illinois, with 4 wells (100% of its portfolio).
Wells operated
4
Active
3
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 4 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 75%
Is this your company?
Claim Erg Illinois to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Erg Illinois operate?
Erg Illinois'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 Erg Illinois’s wells are active, plugged or orphaned?
75% of Erg Illinois's catalogued wells are active, 46 percentage points above the national share of 29%. 25% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Erg Illinois operate?
By product class, 4 (100%) 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 Petty, Josie 27 in Lawrence, IL at 2,200 ft.
Notable wells operated by Erg Illinois
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Petty, Josie 27 | 12-101-31615 | Plugged & abandoned | Oil | Lawrence, IL | ERG Illinois, Inc. | 2,200 ft |
| Crackle, W. R. A/C 1 75 | 12-101-31613 | Active | Oil | Lawrence, IL | ERG Illinois, Inc. | 2,140 ft |
| Leighty, E. a/c 3 66 | 12-101-06383 | Active | Oil | Lawrence, IL | ERG Illinois, Inc. | 1,735 ft |
| Griggs, J. T. A/C 1 107 | 12-101-31252 | Active | Oil | Lawrence, IL | ERG Illinois, Inc. | 1,550 ft |
Deepest first where depth is published. See all 4 wells →
Frequently asked questions
How many wells does Erg Illinois operate?
Erg Illinois 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 Erg Illinois's wells are still active?
3 of Erg Illinois's catalogued wells are active; 1 are plugged & abandoned.
In which states does Erg Illinois operate wells?
Erg Illinois is the operator of record for wells in Illinois (4).
Does Erg Illinois operate mostly oil or gas wells?
4 of Erg Illinois's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Erg Illinois's deepest well?
Among wells with a published depth, Petty, Josie 27 in Lawrence, IL is the deepest at 2,200 ft.
Where Erg Illinois'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, “Erg Illinois — well portfolio”, https://wellcensus.com/operators/erg-illinois-103855 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).