Oil & gas wells in Phillips County, MT
2,523 catalogued wells in Phillips County, Montana, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Phillips County, Montana has 2,523 catalogued oil & gas wells: 1,462 active (58%), 850 plugged & abandoned (34%) and 12 documented orphans. It ranks 5th of the 41 Montana counties WellCensus profiles by well count and holds 6% of the state's 42,011 catalogued wells.
Catalogued wells
2,523
Active
1,462
Plugged
850
Documented orphans
12
What is the status of oil and gas wells in Phillips County?
58% of Phillips County's wells are active, 35 percentage points above the Montana share of 23%. 34% are plugged & abandoned, against 60% statewide and 47% nationally. 190 wells (8%) are shut-in — unplugged but idle. 12 wells (0.5%) are documented orphans with no operator able to plug them, compared with 0.6% across Montana and 4% nationally. The remaining 9 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Phillips County?
By product class, 0 of the county's wells (0%) are oil wells, 2,208 (88%) 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 Phillips County well is 7,132 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 Phillips County compare with other Montana counties?
Phillips County has the 5th-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 7th in Montana.
Who operates wells in Phillips County?
139 distinct operators of record are linked to wells in Phillips 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 Phillips County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Fee 651 | 25-071-05001 | Active | Gas | Ridge Oil & Gas, LLC |
| Unit 1 | 25-071-05002 | Plugged & abandoned | Other type | Conoco Inc. |
| Govt 1 | 25-071-05003 | Plugged & abandoned | Other type | Conoco Inc. |
| Government 1 | 25-071-05004 | Plugged & abandoned | Other type | De Kalb Petroleum |
| Govt 1 | 25-071-05005 | Plugged & abandoned | Other type | Baysel Oil & Gas |
| Thunderbird 1 | 25-071-05006 | Plugged & abandoned | Other type | Williston Basin Exploration Co. |
| Phillips #1 | 25-071-05007 | Plugged & abandoned | Other type | St Cloud Oil & Gas Co. |
| Guinn (Phillips Dev. Co.) #1 | 25-071-05008 | Plugged & abandoned | Other type | Ohio Oil Company |
| Phillips 1 | 25-071-05009 | Plugged & abandoned | Other type | Ohio Oil Company |
| Gov't (Phillips) #3 | 25-071-05010 | Plugged & abandoned | Gas | St Cloud Oil & Gas Co. |
| Govt. (Phillips) 6 | 25-071-05011 | Plugged & abandoned | Gas | Little Rocky Development Co. |
| Pewitt 1 | 25-071-05012 | Plugged & abandoned | Other type | Norman, Guy, Etal. |
| Federal 28-16 | 25-071-05013 | Plugged & abandoned | Other type | Little Rocky Development Co. |
| Phillips 12-14 | 25-071-05015 | Plugged & abandoned | Other type | Trident Drilling Co. |
| Hanson Bros. 1 | 25-071-05016 | Plugged & abandoned | Other type | Parrant, R.G. |
| Gov't (Phillips) #4 | 25-071-05017 | Plugged & abandoned | Other type | Treasure State Pool Oil & Gas Co. |
| Gov't (Phillips) 2 | 25-071-05018 | Plugged & abandoned | Other type | Smith, Grant Etal. |
| Gov't (Phillips) 1 | 25-071-05019 | Plugged & abandoned | Other type | Thorson & Bull Creek Dome Oil & Dev. Co. |
| Gov't (Phillips) 3 | 25-071-05020 | Plugged & abandoned | Other type | Smith, Grant Etal. |
| Ulrich 1 | 25-071-05021 | Plugged & abandoned | Other type | Dekalb-Northern O |
| Henry 1 | 25-071-05022 | Plugged & abandoned | Other type | Dekalb-Northern O |
| Cavenaugh 1 | 25-071-05023 | Plugged & abandoned | Other type | Jones Oil Co. |
| Gjersing 1 | 25-071-05024 | Plugged & abandoned | Other type | De Kalb Petroleum |
| Govt. 1-22 | 25-071-05025 | Plugged & abandoned | Other type | Smith, James F. |
| City Of Malta 1 | 25-071-05027 | Plugged & abandoned | Other type | City Of Malta |
A sample of the county’s wells — every catalogued well has its own page. Browse all 2,523 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 Phillips County, MT?
Phillips County, Montana has 2,523 catalogued oil & gas wells: 1,462 active, 850 plugged and 12 documented orphans.
How many orphaned wells are in Phillips County?
12 wells in Phillips County, Montana are documented orphans — unplugged with no solvent operator of record, the 7th-highest count among Montana counties.
What share of wells in Phillips County are plugged?
850 of Phillips County's 2,523 catalogued wells (34%) 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); Phillips County ranks 5th with 2,523.
How many companies operate wells in Phillips County?
139 distinct operators of record are linked to catalogued wells in Phillips 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 Phillips County, Montana”, https://wellcensus.com/wells/montana/phillips (data as of October 10, 2026).