Oil & gas wells in Calhoun County, MI
1,466 catalogued wells in Calhoun County, Michigan, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Calhoun County, Michigan has 1,466 catalogued oil & gas wells: 84 active (6%), 663 plugged & abandoned (45%) and 2 documented orphans. It ranks 22nd of the 81 Michigan counties WellCensus profiles by well count and holds 2% of the state's 85,673 catalogued wells.
Catalogued wells
1,466
Active
84
Plugged
663
Documented orphans
2
What is the status of oil and gas wells in Calhoun County?
6% of Calhoun County's wells are active, 11 percentage points below the Michigan share of 17%. 45% are plugged & abandoned, against 16% statewide and 47% nationally. 19 wells (1%) are shut-in — unplugged but idle. 2 wells (0.1%) are documented orphans with no operator able to plug them, compared with 0.3% across Michigan and 4% nationally. The remaining 698 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Calhoun County?
By product class, 0 of the county's wells (0%) are oil wells, 0 (0%) gas wells and 0 (0%) injection wells. Statewide the oil share is 0% and the gas share 0%. The deepest total depth published for a Calhoun County well is 7,240 ft, against 27,242 ft for Michigan as a whole. 100% of the county's wells carry coordinates and appear on the map.
How does Calhoun County compare with other Michigan counties?
Calhoun County has the 22nd-most catalogued wells of the 81 Michigan counties with at least 25. The median Michigan county on WellCensus has 820 wells. The largest, Otsego County, has 5,579. By documented orphans it ranks 15th in Michigan.
Who operates wells in Calhoun County?
303 distinct operators of record are linked to wells in Calhoun County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.
Wells in Calhoun County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Bessie Mcmahon Swd 1 | 21-025-00136 | Plugged & abandoned | Other type | Marathon Oil Company |
| Brine Well 1-15 | 21-025-00481 | Active | Other type | Salt Solutions LLC |
| Hubbard 1 | 21-025-00864 | Other status | Other type | St Clair Oil And Gas Corp |
| Fruin 1 | 21-025-04768 | Other status | Other type | Verona Crude Oil And Gas Co |
| Woods 1 | 21-025-05837 | Plugged & abandoned | Other type | Mar Cal Development Co |
| Bole, Giles G. 1 | 21-025-07284 | Other status | Other type | Transwestern Oil Co |
| Dowding, Roy 1 | 21-025-07466 | Other status | Other type | Kirkham Virgil R D |
| Platz, Herman 1 | 21-025-07618 | Other status | Other type | Perry C A And Son Inc |
| Moore, A. C. 1 | 21-025-07749 | Other status | Other type | Hynes D P |
| Allison 1 | 21-025-08290 | Other status | Other type | Muskegon Development Company |
| Hallock, Frank 1 | 21-025-08333 | Other status | Other type | Skirvin Floyd H |
| Turner, J C 1 | 21-025-09261 | Other status | Other type | Conoco Inc |
| Bonnett, Frederic 1 | 21-025-09382 | Other status | Other type | Conoco Inc |
| Radee, Fred C 1 | 21-025-09765 | Other status | Other type | Conoco Inc |
| Paine, Milo B 1 | 21-025-09816 | Other status | Other type | Ashby Drilling Co |
| Hubbard, D H 1 | 21-025-09839 | Other status | Other type | Ashby Drilling Co |
| Mcmahon, James 1 | 21-025-09957 | Other status | Other type | Conoco Inc |
| Riley, J S 1 | 21-025-10160 | Other status | Other type | Marathon Oil Company |
| Vaughn L H 1 | 21-025-10624 | Other status | Other type | Vaughn L H |
| Mckim, I A 1 | 21-025-10721 | Other status | Other type | Harris Oil Co |
| Peak, Walter & Mcmanon, J. & Continental O 1 | 21-025-10788 | Other status | Other type | Reed J Brooke |
| Continental Oil Co. & Farley Brothers 1 | 21-025-10941 | Other status | Other type | Reed J Brooke |
| Continental Oil Co. & Mcmahon, James 1 | 21-025-11091 | Other status | Other type | Reed J Brooke |
| Turner-Maine-Continental 1 | 21-025-11583 | Plugged & abandoned | Other type | Runyan Cecil A |
| Mckim, Julia 1 | 21-025-11736 | Plugged & abandoned | Other type | Reed J Brooke |
A sample of the county’s wells — every catalogued well has its own page. Browse all 1,466 in search → (filter by operator, status and type, then export), or find a specific well on the live map.
Frequently asked questions
How many oil and gas wells are in Calhoun County, MI?
Calhoun County, Michigan has 1,466 catalogued oil & gas wells: 84 active, 663 plugged and 2 documented orphans.
How many orphaned wells are in Calhoun County?
2 wells in Calhoun County, Michigan are documented orphans — unplugged with no solvent operator of record, the 15th-highest count among Michigan counties.
What share of wells in Calhoun County are plugged?
663 of Calhoun County's 1,466 catalogued wells (45%) are plugged & abandoned, compared with 16% across Michigan.
Which Michigan county has the most oil and gas wells?
Otsego County has the most catalogued wells of any Michigan county on WellCensus (5,579); Calhoun County ranks 22nd with 1,466.
How many companies operate wells in Calhoun County?
303 distinct operators of record are linked to catalogued wells in Calhoun County, Michigan.
Nearby in the Michigan rankings
About this data
Source: Michigan EGLE well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Calhoun County, Michigan”, https://wellcensus.com/wells/michigan/calhoun (data as of October 10, 2026).