Hollister Mining
Operator of record for 105 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hollister Mining is the operator of record for 105 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned. Its largest concentration is in Michigan, with 105 wells (100% of its portfolio).
Wells operated
105
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 105 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Hollister Mining to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Hollister Mining operate?
Hollister Mining's catalogued wells are spread across 1 state: Michigan (105). Its 105 Michigan wells are 0.1% 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 Hollister Mining’s wells are active, plugged or orphaned?
0% of Hollister Mining's catalogued wells are active, 29 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hollister 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 Monongahela Exploration 225 in Iron, MI at 570 ft.
Notable wells operated by Hollister Mining
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Monongahela Exploration 225 | 21-071-01397 | Other status | Other type | Iron, MI | Hollister Mining Company | 570 ft |
| Ravenna Exploration 73 | 21-071-02767 | Other status | Other type | Iron, MI | Hollister Mining Company | 515 ft |
| Monongahela Exploration 208 | 21-071-01380 | Other status | Other type | Iron, MI | Hollister Mining Company | 515 ft |
| Monongahela Exploration 207 | 21-071-01379 | Other status | Other type | Iron, MI | Hollister Mining Company | 470 ft |
| Monongahela Exploration 201 | 21-071-01373 | Other status | Other type | Iron, MI | Hollister Mining Company | 458 ft |
| Ravenna Exploration 68 | 21-071-02762 | Other status | Other type | Iron, MI | Hollister Mining Company | 447 ft |
| Monongahela Exploration 205 | 21-071-01377 | Other status | Other type | Iron, MI | Hollister Mining Company | 428 ft |
| Ravenna Exploration 82 | 21-071-02776 | Other status | Other type | Iron, MI | Hollister Mining Company | 423 ft |
| Monongahela Exploration 209 | 21-071-01381 | Other status | Other type | Iron, MI | Hollister Mining Company | 413 ft |
| Ravenna Exploration 85 | 21-071-02779 | Other status | Other type | Iron, MI | Hollister Mining Company | 413 ft |
| Monongahela Exploration 206 | 21-071-01378 | Other status | Other type | Iron, MI | Hollister Mining Company | 406 ft |
| Monongahela Exploration 204 | 21-071-01376 | Other status | Other type | Iron, MI | Hollister Mining Company | 406 ft |
Deepest first where depth is published. See all 105 wells →
Frequently asked questions
How many wells does Hollister Mining operate?
Hollister Mining is the operator of record for 105 catalogued oil & gas wells, with the largest concentration in Michigan (105). Only wells in states WellCensus has ingested are counted.
How many of Hollister Mining's wells are still active?
0 of Hollister Mining's catalogued wells are active; 0 are plugged & abandoned.
In which states does Hollister Mining operate wells?
Hollister Mining is the operator of record for wells in Michigan (105).
Does Hollister Mining operate mostly oil or gas wells?
0 of Hollister Mining's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Hollister Mining's deepest well?
Among wells with a published depth, Monongahela Exploration 225 in Iron, MI is the deepest at 570 ft.
Where Hollister 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, “Hollister Mining — well portfolio”, https://wellcensus.com/operators/hollister-mining-123801 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).