Oil & gas wells in Powder River County, MT
1,289 catalogued wells in Powder River County, Montana, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Powder River County, Montana has 1,289 catalogued oil & gas wells: 224 active (17%), 831 plugged & abandoned (64%) and 4 documented orphans. It ranks 12th of the 41 Montana counties WellCensus profiles by well count and holds 3% of the state's 42,011 catalogued wells.
Catalogued wells
1,289
Active
224
Plugged
831
Documented orphans
4
What is the status of oil and gas wells in Powder River County?
17% of Powder River County's wells are active, 6 percentage points below the Montana share of 23%. 64% are plugged & abandoned, against 60% statewide and 48% nationally. 197 wells (15%) are shut-in — unplugged but idle. 4 wells (0.3%) are documented orphans with no operator able to plug them, compared with 0.6% across Montana and 4% nationally. The remaining 33 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Powder River County?
By product class, 310 of the county's wells (24%) are oil wells, 27 (2%) gas wells and 231 (18%) injection wells. Statewide the oil share is 30% and the gas share 24%. The deepest total depth published for a Powder River County well is 11,250 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 Powder River County compare with other Montana counties?
Powder River County has the 12th-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. By documented orphans it ranks 14th in Montana.
Who operates wells in Powder River County?
210 distinct operators of record are linked to wells in Powder River 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 Powder River County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Castle Rock 1P | 25-075-22244 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Castle Rock 2P | 25-075-22245 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Castle Rock 3P | 25-075-22246 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Castle Rock 4P | 25-075-22247 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Castle Rock 5AP | 25-075-22248 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Castle Rock 6AP | 25-075-22255 | Other status | Other type | Rocky Mountain Gas, Inc. |
| Stanolind-NPRR 1 | 25-075-05000 | Plugged & abandoned | Other type | Stanolind Oil & Gas Co. |
| Govt. 1 | 25-075-05001 | Plugged & abandoned | Other type | California Company, The |
| Federal 1 | 25-075-05002 | Plugged & abandoned | Other type | Trigg, John H. |
| L. Cain 1 | 25-075-05003 | Plugged & abandoned | Other type | Rio Oil |
| Federal 1 | 25-075-05004 | Shut-in | Oil | Integrity Oil & Gas Company |
| Taack 1 | 25-075-05005 | Plugged & abandoned | Other type | Sumatra Oil Et Al |
| Government 1 | 25-075-05006 | Plugged & abandoned | Other type | Pure Oil |
| Sinclair-Powell 1 | 25-075-05007 | Plugged & abandoned | Other type | Midwest Oil Corporation |
| Federal Evans 1 | 25-075-05008 | Plugged & abandoned | Other type | Davis Oil Company |
| Bales 1 | 25-075-05009 | Plugged & abandoned | Other type | Gulf Oil Corporation |
| Portwine 1 | 25-075-05010 | Plugged & abandoned | Other type | Donnell Drlg-Pure |
| Malley 11-26 | 25-075-05011 | Plugged & abandoned | Other type | Sumatra Oil Et Al |
| Williams 1 | 25-075-05012 | Plugged & abandoned | Other type | Grigsby, Grady |
| Traub Land Livestock 1 | 25-075-05013 | Plugged & abandoned | Other type | Mobil Exploration&Producing North America Inc |
| Daniel R. Kraft 1 | 25-075-05014 | Plugged & abandoned | Other type | Mobil Oil Corp. |
| Government 1 | 25-075-05015 | Plugged & abandoned | Other type | Lacy, R. |
| Mont. 032023 1 | 25-075-05017 | Plugged & abandoned | Other type | Davis Oil Company |
| Mont. 023273 1 | 25-075-05018 | Plugged & abandoned | Other type | Gary Energy Corporation |
| Montana 014032 H. Gay #1 | 25-075-05019 | Plugged & abandoned | Other type | Davis Oil Company |
A sample of the county’s wells — every catalogued well has its own page. Browse all 1,289 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 Powder River County, MT?
Powder River County, Montana has 1,289 catalogued oil & gas wells: 224 active, 831 plugged and 4 documented orphans.
How many orphaned wells are in Powder River County?
4 wells in Powder River County, Montana are documented orphans — unplugged with no solvent operator of record, the 14th-highest count among Montana counties.
What share of wells in Powder River County are plugged?
831 of Powder River County's 1,289 catalogued wells (64%) 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); Powder River County ranks 12th with 1,289.
How many companies operate wells in Powder River County?
210 distinct operators of record are linked to catalogued wells in Powder River 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 28, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Powder River County, Montana”, https://wellcensus.com/wells/montana/powder-river (data as of October 28, 2026).