Oil & gas wells in Sanilac County, MI
180 catalogued wells in Sanilac County, Michigan, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Sanilac County, Michigan has 180 catalogued oil & gas wells: 0 active (0%), 62 plugged & abandoned (34%) and 2 documented orphans. It ranks 70th of the 81 Michigan counties WellCensus profiles by well count and holds 0.2% of the state's 85,673 catalogued wells.
Catalogued wells
180
Active
0
Plugged
62
Documented orphans
2
What is the status of oil and gas wells in Sanilac County?
0% of Sanilac County's wells are active, 17 percentage points below the Michigan share of 17%. 34% are plugged & abandoned, against 16% statewide and 47% nationally. 2 wells (1%) are documented orphans with no operator able to plug them, compared with 0.3% across Michigan and 4% nationally. The remaining 116 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Sanilac 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 Sanilac County well is 12,035 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 Sanilac County compare with other Michigan counties?
Sanilac County has the 70th-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 18th in Michigan.
Who operates wells in Sanilac County?
53 distinct operators of record are linked to wells in Sanilac 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 Sanilac County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Valley center. 1 | 21-151-00021 | Other status | Other type | Unknown |
| Graham 2 | 21-151-00334 | Plugged & abandoned | Other type | Llial Inc |
| Obee, Frank 1 | 21-151-00407 | Other status | Other type | Obee Frank |
| Obee 1 | 21-151-00668 | Other status | Other type | Obee Frank |
| Pabst 1 | 21-151-00725 | Other status | Other type | Pabst R |
| Murry 1 | 21-151-00846 | Other status | Other type | Sanilac Products And Developing Co |
| Kolodziej 1 | 21-151-00966 | Orphaned | Other type | K Barr Oil And Gas Co |
| Vincent 1 | 21-151-00990 | Other status | Other type | Shepard George E Trustee |
| Herdell 1 | 21-151-01752 | Other status | Other type | Brown E Oil Development Co |
| Obee 1 | 21-151-04211 | Other status | Other type | Ferguson Trindel H |
| Cosgrove, George 1 | 21-151-09275 | Other status | Other type | Teater C W |
| Hirsch, Charley 1 | 21-151-10386 | Plugged & abandoned | Other type | Thompson L G |
| Swazy, S. 1 | 21-151-10477 | Other status | Other type | Spencer J W |
| Marshall, George 1 | 21-151-10918 | Other status | Other type | Swan George S And King Leo P |
| Pringle, Frank 1 | 21-151-10921 | Other status | Other type | Herdell And Merrill |
| Burch, J. 1 | 21-151-11405 | Other status | Other type | Swepi LP |
| Perry, G. L. 1 | 21-151-11492 | Other status | Other type | Swepi LP |
| Mcgillvray, Catherine 1 | 21-151-16386 | Other status | Other type | Chapman Oil Co |
| Clark, Basil E. 1 | 21-151-17550 | Other status | Other type | Vansice James H |
| Monahan, John 1 | 21-151-17745 | Other status | Other type | Gaines B L |
| Tomczyk, John 1 | 21-151-18305 | Other status | Other type | Joy William M And Black J Oliver |
| Csizmadia, George Jr & Helen 1 | 21-151-18725 | Plugged & abandoned | Other type | Sanilac County Road Commission |
| Galbraith, Franklin 1 | 21-151-20475 | Other status | Other type | Mcclure Oil Co |
| Bechtel, Gordon 1 | 21-151-22602 | Other status | Other type | Oryx Energy Co |
| Baker, Harold 1 | 21-151-22640 | Other status | Other type | Sunray Mid Continent Oil Co And Hadson Oil And G |
A sample of the county’s wells — every catalogued well has its own page. Browse all 180 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 Sanilac County, MI?
Sanilac County, Michigan has 180 catalogued oil & gas wells: 0 active, 62 plugged and 2 documented orphans.
How many orphaned wells are in Sanilac County?
2 wells in Sanilac County, Michigan are documented orphans — unplugged with no solvent operator of record, the 18th-highest count among Michigan counties.
What share of wells in Sanilac County are plugged?
62 of Sanilac County's 180 catalogued wells (34%) 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); Sanilac County ranks 70th with 180.
How many companies operate wells in Sanilac County?
53 distinct operators of record are linked to catalogued wells in Sanilac 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 Sanilac County, Michigan”, https://wellcensus.com/wells/michigan/sanilac (data as of October 10, 2026).