Mar Oil
Operator of record for 13 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: MAR OIL COMPANY · Mar Oil Co.
Wells operated
13
Active
9
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 69%
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Claim your operator profileNotable wells operated by Mar Oil
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hackworth 2 Hz | 34-175-20368 | Active | Oil | Wyandot, OH | Mar Oil Company | 3,534 ft |
| Roszman 1-H | 34-101-20220 | Active | Oil | Marion, OH | Mar Oil Company | 3,288 ft |
| Hensel 1 | 34-175-20336 | Active | Oil | Wyandot, OH | Mar Oil Company | 2,833 ft |
| Doornbos 1 | 34-101-20210 | Active | Oil | Marion, OH | Mar Oil Company | 2,035 ft |
| Leslie 1 | 34-175-20339 | Plugged & abandoned | Oil | Wyandot, OH | Mar Oil Company | 2,027 ft |
| Roszman 1 | 34-101-20208 | Active | Oil | Marion, OH | Mar Oil Company | 1,982 ft |
| Annabelle 1 | 34-175-20345 | Plugged & abandoned | Oil | Wyandot, OH | Mar Oil Company | 1,960 ft |
| Born(Swiw #3) 1 | 34-175-20341 | Active | Injection | Wyandot, OH | Mar Oil Company | 1,771 ft |
| Hazel 1 | 34-175-20346 | Plugged & abandoned | Oil | Wyandot, OH | Mar Oil Company | 1,720 ft |
| Mar Oil 1 | 34-101-20215 | Active | Oil | Marion, OH | Mar Oil Company | 1,419 ft |
| Hackworth 1 | 34-175-20340 | Active | Oil | Wyandot, OH | Mar Oil Company | 1,410 ft |
| Kerr, J. B. Jr. | 12-101-07798 | Active | Oil | Lawrence, IL | Mar Oil Co. | 982 ft |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Mar Oil operate?
Mar Oil is the operator of record for 13 catalogued oil & gas wells, with the largest concentration in Illinois (1). Only wells in states WellCensus has ingested are counted.
How many of Mar Oil's wells are still active?
9 of Mar Oil's catalogued wells are active; 0 are plugged & abandoned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).