Mcclanahan Oil
Operator of record for 114 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: MCCLANAHAN OIL CO · McClanahan Oil · McClanahan Oil Co.
At a glance
Mcclanahan Oil is the operator of record for 114 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 9 (8%) are plugged & abandoned. Its largest concentration is in Michigan, with 112 wells (98% of its portfolio).
Wells operated
114
Active
0
Plugged
9
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 112 |
| California | 1 |
| Illinois | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Mcclanahan Oil operate?
Mcclanahan Oil's catalogued wells are spread across 3 states: Michigan (112), California (1) and Illinois (1). Its 112 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 Mcclanahan Oil’s wells are active, plugged or orphaned?
0% of Mcclanahan Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 8% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mcclanahan Oil 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 Starr, Charles W. 1 in Crawford, MI at 5,215 ft. The wells listed below sit in Crawford (MI), Kalkaska (MI), Roscommon (MI), Clare (MI), Gladwin (MI) and Missaukee (MI) and other counties. State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Mcclanahan Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Starr, Charles W. 1 | 21-039-11807 | Other status | Other type | Crawford, MI | Mcclanahan Oil Co | 5,215 ft |
| Terpening, Floyd E. & Floyd M. 1 | 21-079-10762 | Other status | Other type | Kalkaska, MI | Mcclanahan Oil Co | 4,278 ft |
| Pure-State 1 | 21-143-09621 | Other status | Other type | Roscommon, MI | Mcclanahan Oil Co | 4,189 ft |
| Frackelton 1 | 21-035-01737 | Other status | Other type | Clare, MI | Mcclanahan Oil Co | 4,035 ft |
| Robinson, Frank 1 | 21-035-03662 | Other status | Other type | Clare, MI | Mcclanahan Oil Co | 4,034 ft |
| Sharp 1 | 21-051-04812 | Other status | Other type | Gladwin, MI | Mcclanahan Oil Co | 3,955 ft |
| Page, Charles 1 | 21-051-14627 | Other status | Other type | Gladwin, MI | Mcclanahan Oil Co | 3,951 ft |
| Van Horn 1 | 21-035-05743 | Other status | Other type | Clare, MI | Mcclanahan Oil Co | 3,913 ft |
| Clare County-State 1 | 21-035-05209 | Other status | Other type | Clare, MI | Mcclanahan Oil Co | 3,889 ft |
| Clare County-State 3 | 21-035-06575 | Other status | Other type | Clare, MI | Mcclanahan Oil Co | 3,883 ft |
| State & Apps 1 | 21-113-10157 | Other status | Other type | Missaukee, MI | Mcclanahan Oil Co | 3,870 ft |
| Mackenzie, Cowden 1 | 21-073-01333 | Plugged & abandoned | Other type | Isabella, MI | Mcclanahan Oil Co | 3,861 ft |
Deepest first where depth is published. See all 114 wells →
Frequently asked questions
How many wells does Mcclanahan Oil operate?
Mcclanahan Oil is the operator of record for 114 catalogued oil & gas wells, with the largest concentration in Michigan (112). Only wells in states WellCensus has ingested are counted.
How many of Mcclanahan Oil's wells are still active?
0 of Mcclanahan Oil's catalogued wells are active; 9 are plugged & abandoned.
In which states does Mcclanahan Oil operate wells?
Mcclanahan Oil is the operator of record for wells in Michigan (112), California (1) and Illinois (1).
Does Mcclanahan Oil operate mostly oil or gas wells?
0 of Mcclanahan Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mcclanahan Oil's deepest well?
Among wells with a published depth, Starr, Charles W. 1 in Crawford, MI is the deepest at 5,215 ft.
Where Mcclanahan Oil'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, “Mcclanahan Oil — well portfolio”, https://wellcensus.com/operators/mcclanahan-oil-38075 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).