Union Mining
Operator of record for 10 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Union Mining is the operator of record for 10 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 9 (90%) are plugged & abandoned. Its largest concentration is in Illinois, with 10 wells (100% of its portfolio).
Wells operated
10
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 10 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Union Mining to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Union Mining operate?
Union Mining's catalogued wells are spread across 1 state: Illinois (10). Its 10 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 Union Mining’s wells are active, plugged or orphaned?
0% of Union Mining's catalogued wells are active, 29 percentage points below the national share of 29%. 90% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Union Mining operate?
By product class, 0 (0%) 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 Blackward Ben 1 in Jefferson, IL at 3,285 ft. The wells listed below sit in Jefferson (IL), De Witt (IL), Piatt (IL), Williamson (IL), Mclean (IL) and Livingston (IL) and other counties.
Notable wells operated by Union Mining
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Blackward Ben 1 | 12-081-00219 | Plugged & abandoned | Other type | Jefferson, IL | Union Mining | 3,285 ft |
| Seifert, C. A. 1 | 12-039-00034 | Plugged & abandoned | Other type | De Witt, IL | Union Mining | 1,890 ft |
| #9-M 9-M | 12-147-00033 | Plugged & abandoned | Other type | Piatt, IL | Union Mining | 1,650 ft |
| Smothers-Henderson 1 | 12-199-01041 | Plugged & abandoned | Other type | Williamson, IL | Union Mining | 1,507 ft |
| #19-M 19-M | 12-147-00032 | Plugged & abandoned | Other type | Piatt, IL | Union Mining | 1,475 ft |
| King, W.F. 1 | 12-147-00037 | Plugged & abandoned | Other type | Piatt, IL | Union Mining | 1,412 ft |
| Schroeder, E. 1 | 12-113-00073 | Plugged & abandoned | Other type | Mclean, IL | Union Mining | 930 ft |
| 4-D | 12-105-00231 | Other status | Other type | Livingston, IL | Union Mining | 584 ft |
| U-13 | 12-075-00113 | Plugged & abandoned | Other type | Iroquois, IL | Union Mining | 441 ft |
| U-2 | 12-091-00140 | Plugged & abandoned | Other type | Kankakee, IL | Union Mining | 235 ft |
Deepest first where depth is published. See all 10 wells →
Frequently asked questions
How many wells does Union Mining operate?
Union Mining is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Illinois (10). Only wells in states WellCensus has ingested are counted.
How many of Union Mining's wells are still active?
0 of Union Mining's catalogued wells are active; 9 are plugged & abandoned.
In which states does Union Mining operate wells?
Union Mining is the operator of record for wells in Illinois (10).
Does Union Mining operate mostly oil or gas wells?
0 of Union Mining's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Union Mining's deepest well?
Among wells with a published depth, Blackward Ben 1 in Jefferson, IL is the deepest at 3,285 ft.
Where Union Mining'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, “Union Mining — well portfolio”, https://wellcensus.com/operators/union-mining-97132 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).