Dunnill John F
Operator of record for 131 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dunnill John F is the operator of record for 131 catalogued U.S. oil & gas wells in 1 state. 17 (13%) are active, 112 (85%) plugged & abandoned. Its largest concentration is in Illinois, with 131 wells (100% of its portfolio).
Wells operated
131
Active
17
Plugged
112
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 131 |
Well mix
- Oil wells
- 53
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 13%
Is this your company?
Claim Dunnill John F to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dunnill John F operate?
Dunnill John F's catalogued wells are spread across 1 state: Illinois (131). Its 131 Illinois wells are 0.1% 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 Dunnill John F’s wells are active, plugged or orphaned?
13% of Dunnill John F's catalogued wells are active, 16 percentage points below the national share of 29%. 85% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dunnill John F operate?
By product class, 53 (40%) 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 Brookman, Archie 2 in Jefferson, IL at 4,580 ft. The wells listed below sit in Jefferson (IL) and Hamilton (IL).
Notable wells operated by Dunnill John F
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Brookman, Archie 2 | 12-081-23268 | Active | Oil | Jefferson, IL | Dunnill, John F. | 4,580 ft |
| Kujawa, Frank 1 | 12-081-01167 | Plugged & abandoned | Other type | Jefferson, IL | Dunnill, John F. | 3,820 ft |
| Dolan Patrick 1 | 12-065-03600 | Plugged & abandoned | Other type | Hamilton, IL | Dunnill, John F. | 3,570 ft |
| Clark Sessel 1 | 12-065-03570 | Plugged & abandoned | Other type | Hamilton, IL | Dunnill, John F. | 3,500 ft |
| Ahrens, Nellis 1 | 12-081-02055 | Plugged & abandoned | Oil | Jefferson, IL | Dunnill, John F. | 3,500 ft |
| Shaeffer 1 | 12-081-01096 | Plugged & abandoned | Oil | Jefferson, IL | Dunnill, John F. | 3,460 ft |
| Schultz, Godfrey 2 | 12-081-23346 | Active | Oil | Jefferson, IL | Dunnill, John F. | 3,456 ft |
| Hall Dain 2 | 12-065-03579 | Plugged & abandoned | Oil | Hamilton, IL | Dunnill, John F. | 3,450 ft |
| Hall Dain 3 | 12-065-03590 | Plugged & abandoned | Oil | Hamilton, IL | Dunnill, John F. | 3,450 ft |
| Parker, W. G. 2 | 12-081-23358 | Active | Oil | Jefferson, IL | Dunnill, John F. | 3,440 ft |
| Nation Hazel 1 | 12-065-03616 | Plugged & abandoned | Other type | Hamilton, IL | Dunnill, John F. | 3,440 ft |
| Donoho Heirs 3 | 12-081-23371 | Active | Oil | Jefferson, IL | Dunnill, John F. | 3,422 ft |
Deepest first where depth is published. See all 131 wells →
Frequently asked questions
How many wells does Dunnill John F operate?
Dunnill John F is the operator of record for 131 catalogued oil & gas wells, with the largest concentration in Illinois (131). Only wells in states WellCensus has ingested are counted.
How many of Dunnill John F's wells are still active?
17 of Dunnill John F's catalogued wells are active; 112 are plugged & abandoned.
In which states does Dunnill John F operate wells?
Dunnill John F is the operator of record for wells in Illinois (131).
Does Dunnill John F operate mostly oil or gas wells?
53 of Dunnill John F's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dunnill John F's deepest well?
Among wells with a published depth, Brookman, Archie 2 in Jefferson, IL is the deepest at 4,580 ft.
Where Dunnill John F'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, “Dunnill John F — well portfolio”, https://wellcensus.com/operators/dunnill-john-f-66780 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).