Hanna Ma
Operator of record for 775 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: HANNA M A CO · Hanna, M. A. Company
At a glance
Hanna Ma is the operator of record for 775 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 2 (0.3%) are plugged & abandoned. Its largest concentration is in Michigan, with 760 wells (98% of its portfolio).
Wells operated
775
Active
0
Plugged
2
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 760 |
| Ohio | 15 |
Well mix
- Oil wells
- 15
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Hanna Ma to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Hanna Ma operate?
Hanna Ma's catalogued wells are spread across 2 states: Michigan (760) and Ohio (15). Its 760 Michigan wells are 0.9% of the 85,673 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 Hanna Ma’s wells are active, plugged or orphaned?
0% of Hanna Ma's catalogued wells are active, 29 percentage points below the national share of 29%. 0.3% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hanna Ma operate?
By product class, 15 (2%) 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 Clark James M 3 in Morgan, OH at 5,505 ft. The wells listed below sit in Morgan (OH), Iron (MI), Gogebic (MI) and Menominee (MI). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Hanna Ma
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Clark James M 3 | 34-115-23571 | Plugged & abandoned | Oil | Morgan, OH | Hanna M A Co | 5,505 ft |
| Clark James M 1 | 34-115-23570 | Plugged & abandoned | Oil | Morgan, OH | Hanna M A Co | 5,396 ft |
| Homer Mine HM-M1-56 | 21-071-00393 | Other status | Other type | Iron, MI | Hanna, M. A. Company | 2,500 ft |
| Morgan Mine Exploration M1-51-11 | 21-053-00037 | Other status | Other type | Gogebic, MI | Hanna, M. A. Company | 2,045 ft |
| Carlson Exploration C1-50-36 | 21-071-00131 | Other status | Other type | Iron, MI | Hanna, M. A. Company | 2,020 ft |
| Hiawatha No. 1 Mine H-L-52 | 21-071-00177 | Other status | Other type | Iron, MI | Hanna, M. A. Company | 1,825 ft |
| WICO Exploration 18-43 | 21-053-00111 | Other status | Other type | Gogebic, MI | Hanna, M. A. Company | 1,681 ft |
| Rose RO3W | 21-053-01280 | Other status | Other type | Gogebic, MI | Hanna, M. A. Company | 1,629 ft |
| Morgan Mine Exploration M2-51-11 | 21-053-00038 | Other status | Other type | Gogebic, MI | Hanna, M. A. Company | 1,527 ft |
| Hiawatha Mine HI-IA-62 | 21-071-01564 | Other status | Other type | Iron, MI | Hanna, M. A. Company | 1,495 ft |
| LaBranch 3 | 21-109-00076 | Other status | Other type | Menominee, MI | Hanna, M. A. Company | 1,475 ft |
| Chmieleski CMW-CH-1-50 | 21-071-02484 | Other status | Other type | Iron, MI | Hanna, M. A. Company | 1,459 ft |
Deepest first where depth is published. See all 775 wells →
Frequently asked questions
How many wells does Hanna Ma operate?
Hanna Ma is the operator of record for 775 catalogued oil & gas wells, with the largest concentration in Michigan (760). Only wells in states WellCensus has ingested are counted.
How many of Hanna Ma's wells are still active?
0 of Hanna Ma's catalogued wells are active; 2 are plugged & abandoned.
In which states does Hanna Ma operate wells?
Hanna Ma is the operator of record for wells in Michigan (760) and Ohio (15).
Does Hanna Ma operate mostly oil or gas wells?
15 of Hanna Ma's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hanna Ma's deepest well?
Among wells with a published depth, Clark James M 3 in Morgan, OH is the deepest at 5,505 ft.
Where Hanna Ma'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, “Hanna Ma — well portfolio”, https://wellcensus.com/operators/hanna-ma-88318 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).