Union Oil
Operator of record for 152 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: UNION OIL · UNION OIL CO · UNION OIL COMPANY · Union Oil Company
Wells operated
152
Active
9
Plugged
15
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 98 |
| Kentucky | 26 |
| California | 2 |
Well mix
- Oil wells
- 8
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 6%
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Claim your operator profileNotable wells operated by Union Oil
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Latham, Thomas E 2 | 21-073-03946 | Plugged & abandoned | Other type | Isabella, MI | Union Oil Co | 4,994 ft |
| Wille, Stanley E 10 | 21-073-04594 | Other status | Other type | Isabella, MI | Union Oil Co | 4,031 ft |
| Douglas, Bert 1 | 21-035-05501 | Other status | Other type | Clare, MI | Union Oil Co | 3,931 ft |
| Switzer, Berten E 2-A | 21-035-05666 | Other status | Other type | Clare, MI | Union Oil Co | 3,913 ft |
| Bicknell, James S 1-D | 21-035-05506 | Other status | Other type | Clare, MI | Union Oil Co | 3,912 ft |
| Switzer, Floyd O 2 | 21-035-05570 | Other status | Other type | Clare, MI | Union Oil Co | 3,911 ft |
| Switzer, Floyd O 3 | 21-035-05640 | Other status | Other type | Clare, MI | Union Oil Co | 3,908 ft |
| Switzer, Berten E 3-A | 21-035-05667 | Other status | Other type | Clare, MI | Union Oil Co | 3,908 ft |
| Switzer, Bertene 1 | 21-035-05159 | Plugged & abandoned | Other type | Clare, MI | Union Oil Co | 3,908 ft |
| Switzer, Floyd O 1 | 21-035-05465 | Plugged & abandoned | Other type | Clare, MI | Union Oil Co | 3,906 ft |
| Bicknell, James S 4-B | 21-035-05665 | Other status | Other type | Clare, MI | Union Oil Co | 3,903 ft |
| Austin, A & Henry, H 1 | 21-035-05569 | Other status | Other type | Clare, MI | Union Oil Co | 3,901 ft |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Union Oil operate?
Union Oil is the operator of record for 152 catalogued oil & gas wells, with the largest concentration in Michigan (98). Only wells in states WellCensus has ingested are counted.
How many of Union Oil's wells are still active?
9 of Union Oil's catalogued wells are active; 15 are plugged & abandoned and 2 are flagged as orphaned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).