Breen Oil
Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Breen Oil is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. 1 (25%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Illinois, with 4 wells (100% of its portfolio).
Wells operated
4
Active
1
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 4 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 25%
Is this your company?
Claim Breen Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Breen Oil operate?
Breen Oil'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 Breen Oil’s wells are active, plugged or orphaned?
25% of Breen Oil's catalogued wells are active, 4 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Breen Oil operate?
By product class, 1 (25%) 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 Breen 7 in Wabash, IL at 1,428 ft.
Notable wells operated by Breen Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Breen 7 | 12-185-03172 | Other status | Other type | Wabash, IL | Breen Oil | 1,428 ft |
| Stillwell L G 3 | 12-185-03210 | Other status | Other type | Wabash, IL | Breen Oil | 1,401 ft |
| Breen 6 | 12-185-03171 | Other status | Other type | Wabash, IL | Breen Oil | 1,398 ft |
| Stillwell 2 | 12-185-03209 | Active | Oil | Wabash, IL | Breen Oil | 1,395 ft |
Deepest first where depth is published. See all 4 wells →
Frequently asked questions
How many wells does Breen Oil operate?
Breen Oil 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 Breen Oil's wells are still active?
1 of Breen Oil's catalogued wells are active; 0 are plugged & abandoned.
In which states does Breen Oil operate wells?
Breen Oil is the operator of record for wells in Illinois (4).
Does Breen Oil operate mostly oil or gas wells?
1 of Breen Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Breen Oil's deepest well?
Among wells with a published depth, Breen 7 in Wabash, IL is the deepest at 1,428 ft.
Where Breen 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, “Breen Oil — well portfolio”, https://wellcensus.com/operators/breen-oil-111012 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).