Oil & gas wells in Toole County, MT
7,830 catalogued wells in Toole County, Montana, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Toole County, Montana has 7,830 catalogued oil & gas wells: 1,419 active (18%), 4,913 plugged & abandoned (63%) and 31 documented orphans. It ranks 1st of the 41 Montana counties WellCensus profiles by well count and holds 19% of the state's 42,011 catalogued wells.
Catalogued wells
7,830
Active
1,419
Plugged
4,913
Documented orphans
31
What is the status of oil and gas wells in Toole County?
18% of Toole County's wells are active, 5 percentage points below the Montana share of 23%. 63% are plugged & abandoned, against 60% statewide and 47% nationally. 1,306 wells (17%) are shut-in — unplugged but idle. 31 wells (0.4%) are documented orphans with no operator able to plug them, compared with 0.6% across Montana and 4% nationally. The remaining 161 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Toole County?
By product class, 3,589 of the county's wells (46%) are oil wells, 1,623 (21%) gas wells and 97 (1%) injection wells. Statewide the oil share is 30% and the gas share 24%. The deepest total depth published for a Toole County well is 8,972 ft, against 31,810 ft for Montana as a whole. 100% of the county's wells carry coordinates and appear on the map.
How does Toole County compare with other Montana counties?
Toole County has the most catalogued wells of the 41 Montana counties with at least 25. The median Montana county on WellCensus has 457 wells. By documented orphans it ranks 2nd in Montana.
Who operates wells in Toole County?
997 distinct operators of record are linked to wells in Toole 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 Toole County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| State 4 | 25-101-05321 | Other status | Gas | Well Done Foundation, Inc. |
| Thompson 5B | 25-101-05839 | Other status | Oil | Well Done Foundation, Inc. |
| Thompson 3B | 25-101-05843 | Other status | Oil | Cavalier Petroleum |
| Thompson 2A | 25-101-05870 | Other status | Oil | Well Done Foundation, Inc. |
| Thompson 6A | 25-101-05871 | Other status | Oil | Well Done Foundation, Inc. |
| Allen 34 | 25-101-05886 | Other status | Oil | Well Done Foundation, Inc. |
| Thompson 9A | 25-101-05899 | Other status | Oil | Cavalier Petroleum |
| Thompson 5A | 25-101-05902 | Other status | Oil | Well Done Foundation, Inc. |
| Bluhm 20 | 25-101-06177 | Other status | Oil | Well Done Foundation, Inc. |
| Zachor 21 | 25-101-06198 | Orphaned | Oil | Cavalier Petroleum |
| Zachor 18 | 25-101-06201 | Orphaned | Oil | Cavalier Petroleum |
| Bluhm 13 | 25-101-06222 | Other status | Oil | Cavalier Petroleum |
| Bluhm 23 | 25-101-06294 | Other status | Oil | Well Done Foundation, Inc. |
| Bluhm 19 | 25-101-06316 | Other status | Oil | Well Done Foundation, Inc. |
| Bluhm 17 | 25-101-06320 | Other status | Oil | Well Done Foundation, Inc. |
| Martin 16 | 25-101-06491 | Orphaned | Oil | Cavalier Petroleum |
| Reeg 10 | 25-101-06533 | Orphaned | Oil | Cavalier Petroleum |
| Adams 2 | 25-101-09879 | Other status | Gas | Cavalier Petroleum |
| Allen 33 | 25-101-09884 | Other status | Oil | Well Done Foundation, Inc. |
| Allen 35 | 25-101-09885 | Other status | Oil | Well Done Foundation, Inc. |
| Anderson 2 | 25-101-09891 | Other status | Oil | Well Done Montana LLC |
| Anderson 3 | 25-101-09892 | Other status | Oil | Well Done Montana LLC |
| Anderson 5 | 25-101-09894 | Other status | Oil | Well Done Montana LLC |
| Anderson 6 | 25-101-09895 | Other status | Oil | Well Done Foundation, Inc. |
| Anderson 8 | 25-101-09897 | Other status | Oil | Well Done Montana LLC |
A sample of the county’s wells — every catalogued well has its own page. Browse all 7,830 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 Toole County, MT?
Toole County, Montana has 7,830 catalogued oil & gas wells: 1,419 active, 4,913 plugged and 31 documented orphans.
How many orphaned wells are in Toole County?
31 wells in Toole County, Montana are documented orphans — unplugged with no solvent operator of record, the 2nd-highest count among Montana counties.
What share of wells in Toole County are plugged?
4,913 of Toole County's 7,830 catalogued wells (63%) are plugged & abandoned, compared with 60% across Montana.
Which Montana county has the most oil and gas wells?
Toole County has the most catalogued wells of any Montana county on WellCensus, with 7,830.
How many companies operate wells in Toole County?
997 distinct operators of record are linked to catalogued wells in Toole County, Montana.
Nearby in the Montana rankings
About this data
Source: Montana Board of Oil & Gas Conservation 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 Toole County, Montana”, https://wellcensus.com/wells/montana/toole (data as of October 10, 2026).