Oil & gas wells in Cascade County, MT
101 catalogued wells in Cascade County, Montana, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Cascade County, Montana has 101 catalogued oil & gas wells: 4 active (4%), 83 plugged & abandoned (82%) and 0 documented orphans. It ranks 32nd of the 41 Montana counties WellCensus profiles by well count and holds 0.2% of the state's 42,011 catalogued wells.
Catalogued wells
101
Active
4
Plugged
83
Documented orphans
0
What is the status of oil and gas wells in Cascade County?
4% of Cascade County's wells are active, 19 percentage points below the Montana share of 23%. 82% are plugged & abandoned, against 60% statewide and 47% nationally. No documented orphaned wells are recorded in Cascade County; Montana as a whole has 272. The remaining 14 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Cascade County?
By product class, 1 of the county's wells (1.0%) are oil wells, 0 (0%) gas wells and 0 (0%) injection wells. Statewide the oil share is 30% and the gas share 24%. The deepest total depth published for a Cascade County well is 7,415 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 Cascade County compare with other Montana counties?
Cascade County has the 32nd-most catalogued wells of the 41 Montana counties with at least 25. The median Montana county on WellCensus has 457 wells. The largest, Toole County, has 7,830.
Who operates wells in Cascade County?
61 distinct operators of record are linked to wells in Cascade 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 Cascade County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Colby 1 | 25-013-05000 | Plugged & abandoned | Other type | Petroleum Producers & Refiners Corp. |
| Thrasher 1 | 25-013-05001 | Plugged & abandoned | Other type | Knees Production |
| Eden 1 | 25-013-05002 | Plugged & abandoned | Other type | Eden Oil |
| Frank Murphy 1 | 25-013-05003 | Plugged & abandoned | Other type | Riverdale Oil Co. |
| Murphy 1 | 25-013-05005 | Plugged & abandoned | Other type | Riverdale Oil Co. |
| Eliakin 1 | 25-013-05006 | Plugged & abandoned | Other type | Andrews, J. E. |
| Nprr 1 | 25-013-05007 | Plugged & abandoned | Other type | American Climax-Barker |
| Eliakin 2 | 25-013-05008 | Plugged & abandoned | Other type | Andrews, J. E. |
| Betts 1 | 25-013-05009 | Plugged & abandoned | Other type | Eliakin Oil Co. |
| Betts 1 | 25-013-05010 | Plugged & abandoned | Other type | E B M Oil |
| Eden 1 | 25-013-05011 | Plugged & abandoned | Other type | Eden Oil |
| Swan 1 | 25-013-05012 | Plugged & abandoned | Other type | Anaconda Company, The |
| Sarzin 1 | 25-013-05014 | Plugged & abandoned | Other type | Montana Gas & Oil |
| Griffin Coal Mines 1 | 25-013-05015 | Plugged & abandoned | Other type | Petroleum Producers & Refiners Corp. |
| Hatcher 1-A | 25-013-05016 | Plugged & abandoned | Other type | Petroleum Producers & Refiners Corp. |
| Griffen Coal<>1 | 25-013-05018 | Plugged & abandoned | Other type | Edwards Etal |
| Webb 1 | 25-013-05019 | Plugged & abandoned | Other type | Anaconda Company, The |
| Bough 1 | 25-013-05020 | Plugged & abandoned | Other type | Hager-Stevenson Oil Co. |
| $20 Bill 1 | 25-013-05021 | Plugged & abandoned | Other type | $20 Bill Syndicate |
| Bumgarner 1 | 25-013-05022 | Plugged & abandoned | Other type | Garner & Ketell |
| Heldman 1 | 25-013-05023 | Plugged & abandoned | Other type | Cascade Gas Co. |
| McCready #1 | 25-013-05024 | Plugged & abandoned | Other type | Western Petroleum Exploration |
| State-Ogden #1 | 25-013-05025 | Plugged & abandoned | Other type | Western Petroleum Co. |
| Stephan 1 | 25-013-05026 | Plugged & abandoned | Other type | Schoonmaker, Geo |
| State 1 | 25-013-05027 | Plugged & abandoned | Other type | Piegan Oil Co |
A sample of the county’s wells — every catalogued well has its own page. Browse all 101 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 Cascade County, MT?
Cascade County, Montana has 101 catalogued oil & gas wells: 4 active, 83 plugged and 0 documented orphans.
How many orphaned wells are in Cascade County?
No documented orphaned wells are currently recorded in Cascade County, Montana.
What share of wells in Cascade County are plugged?
83 of Cascade County's 101 catalogued wells (82%) 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 (7,830); Cascade County ranks 32nd with 101.
How many companies operate wells in Cascade County?
61 distinct operators of record are linked to catalogued wells in Cascade 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 Cascade County, Montana”, https://wellcensus.com/wells/montana/cascade (data as of October 10, 2026).