Reef Oil
Operator of record for 10 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: Reef Oil Co. · Reef Oil Corporation
Wells operated
10
Active
0
Plugged
10
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 6 |
| Montana | 3 |
| California | 1 |
Well mix
- Oil wells
- 6
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileNotable wells operated by Reef Oil
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Irelan-Robinson 1 | 25-091-21605 | Plugged & abandoned | Other type | Sheridan, MT | Reef Oil Corporation | 9,000 ft |
| Wilcoxon #1 | 25-019-21088 | Plugged & abandoned | Oil | Daniels, MT | Reef Oil Corporation | 7,410 ft |
| Kamm-Ireland-Robinson 1 | 25-091-21644 | Plugged & abandoned | Other type | Sheridan, MT | Reef Oil Corporation | 6,500 ft |
| Sims F M 3 | 12-159-02843 | Plugged & abandoned | Oil | Richland, IL | Reef Oil Co. | 3,635 ft |
| Buerster 1 | 12-159-02960 | Plugged & abandoned | Oil | Richland, IL | Reef Oil Co. | 3,620 ft |
| Perring, Jw 1 | 12-159-02885 | Plugged & abandoned | Oil | Richland, IL | Reef Oil Co. | 3,604 ft |
| Schnell D 1 | 12-159-02826 | Plugged & abandoned | Oil | Richland, IL | Reef Oil Co. | 3,520 ft |
| Neff-Miller-Crum Comm. 3 | 12-029-00593 | Plugged & abandoned | Oil | Coles, IL | Reef Oil Co. | 1,856 ft |
| Whitley, Joseph Com. 1 | 12-029-00634 | Plugged & abandoned | Other type | Coles, IL | Reef Oil Co. | 1,851 ft |
| Souza 1 | 04-081-00119 | Plugged & abandoned | Other type | San Mateo, CA | Reef Oil Co. | — |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Reef Oil operate?
Reef Oil is the operator of record for 10 catalogued oil & gas wells, with the largest concentration in Illinois (6). Only wells in states WellCensus has ingested are counted.
How many of Reef Oil's wells are still active?
0 of Reef Oil's catalogued wells are active; 10 are plugged & abandoned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).