Oil & gas wells in Prairie County, MT
85 catalogued wells in Prairie County, Montana, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Prairie County, Montana has 85 catalogued oil & gas wells: 12 active (14%), 59 plugged & abandoned (69%) and 0 documented orphans. It ranks 33rd of the 41 Montana counties WellCensus profiles by well count and holds 0.2% of the state's 42,011 catalogued wells.
Catalogued wells
85
Active
12
Plugged
59
Documented orphans
0
What is the status of oil and gas wells in Prairie County?
14% of Prairie County's wells are active, 9 percentage points below the Montana share of 23%. 69% are plugged & abandoned, against 60% statewide and 47% nationally. 14 wells (16%) are shut-in — unplugged but idle. No documented orphaned wells are recorded in Prairie County; Montana as a whole has 272.
What kinds of wells are in Prairie County?
By product class, 30 of the county's wells (35%) are oil wells, 2 (2%) gas wells and 8 (9%) injection wells. Statewide the oil share is 30% and the gas share 24%. The deepest total depth published for a Prairie County well is 13,338 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 Prairie County compare with other Montana counties?
Prairie County has the 33rd-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 Prairie County?
23 distinct operators of record are linked to wells in Prairie 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 Prairie County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Nprr S-27-2 | 25-079-05001 | Plugged & abandoned | Other type | Gary Drilling Co. |
| Nprr 1 | 25-079-05002 | Plugged & abandoned | Other type | Shell Western E & P Inc. |
| Np /A-7/ 44-17 | 25-079-05003 | Plugged & abandoned | Other type | Shell Oil Company |
| R. Ihde 1 | 25-079-05004 | Plugged & abandoned | Other type | Custer Creek Oil & Gas Co. |
| Np 1 | 25-079-05005 | Plugged & abandoned | Other type | Phillips Petroleum Company |
| Govt 1 | 25-079-05006 | Plugged & abandoned | Other type | California Company, The |
| Unit 34-13b | 25-079-05007 | Plugged & abandoned | Other type | Shell Western E & P Inc. |
| Unit 44-13BH | 25-079-05008 | Shut-in | Oil | Mmgl Mt I, LLC |
| Unit 33-13BH | 25-079-05009 | Shut-in | Oil | Mmgl Mt I, LLC |
| Np 31-13b | 25-079-05011 | Plugged & abandoned | Oil | Shell Oil Company |
| Unit 24-12b | 25-079-05012 | Plugged & abandoned | Oil | Shell Western E & P Inc. |
| Edmonson 13-12b | 25-079-05013 | Plugged & abandoned | Oil | Shell Western E & P Inc. |
| Unit 42-11BH | 25-079-05014 | Shut-in | Oil | Mmgl Mt I, LLC |
| Unit 32-11-B | 25-079-05015 | Plugged & abandoned | Other type | Shell Oil Company |
| Fed Unit 11-12b | 25-079-05016 | Plugged & abandoned | Oil | Shell Western E & P Inc. |
| Unit 11x-11b | 25-079-05017 | Plugged & abandoned | Other type | Shell Western E & P Inc. |
| Unit 31-11B | 25-079-05018 | Plugged & abandoned | Oil | Shell Oil Company |
| Unit 44-02B | 25-079-05019 | Plugged & abandoned | Oil | Encore Operating LP |
| Unit B24-02 | 25-079-05020 | Shut-in | Oil | Mmgl Mt I, LLC |
| Unit 33-2B | 25-079-05021 | Plugged & abandoned | Oil | Denbury Onshore, LLC |
| Unit B13-02 | 25-079-05022 | Shut-in | Oil | Mmgl Mt I, LLC |
| Unit 22-02B | 25-079-05023 | Plugged & abandoned | Oil | Shell Western E & P Inc. |
| Unit 42-2b | 25-079-05024 | Plugged & abandoned | Oil | Shell Oil Company |
| Np Unit 32x-3b | 25-079-05025 | Plugged & abandoned | Other type | Shell Western E & P Inc. |
| Np 41x-03b | 25-079-05026 | Plugged & abandoned | Other type | Shell Western E & P Inc. |
A sample of the county’s wells — every catalogued well has its own page. Browse all 85 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 Prairie County, MT?
Prairie County, Montana has 85 catalogued oil & gas wells: 12 active, 59 plugged and 0 documented orphans.
How many orphaned wells are in Prairie County?
No documented orphaned wells are currently recorded in Prairie County, Montana.
What share of wells in Prairie County are plugged?
59 of Prairie County's 85 catalogued wells (69%) 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); Prairie County ranks 33rd with 85.
How many companies operate wells in Prairie County?
23 distinct operators of record are linked to catalogued wells in Prairie 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 Prairie County, Montana”, https://wellcensus.com/wells/montana/prairie (data as of October 10, 2026).