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WellCensus

Oil & gas wells in Chouteau County, MT

786 catalogued wells in Chouteau County, Montana, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Chouteau County, Montana has 786 catalogued oil & gas wells: 100 active (13%), 626 plugged & abandoned (80%) and 11 documented orphans. It ranks 16th of the 41 Montana counties WellCensus profiles by well count and holds 2% of the state's 42,011 catalogued wells.

Catalogued wells

786

Active

100

Plugged

626

Documented orphans

11

What is the status of oil and gas wells in Chouteau County?

13% of Chouteau County's wells are active, 11 percentage points below the Montana share of 23%. 80% are plugged & abandoned, against 60% statewide and 47% nationally. 23 wells (3%) are shut-in — unplugged but idle. 11 wells (1%) are documented orphans with no operator able to plug them, compared with 0.6% across Montana and 4% nationally. The remaining 26 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Chouteau County?

By product class, 5 of the county's wells (0.6%) are oil wells, 230 (29%) gas wells and 1 (0.1%) injection wells. Statewide the oil share is 30% and the gas share 24%. The deepest total depth published for a Chouteau County well is 5,613 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 Chouteau County compare with other Montana counties?

Chouteau County has the 16th-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 9th in Montana.

Who operates wells in Chouteau County?

137 distinct operators of record are linked to wells in Chouteau 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.

Oil & gas wells in Chouteau County, MT
WellAPI # / state IDStatusTypeOperator
Sada Woods 1-2125-015-21516OrphanedGasMountain Pacific General Inc.
Hollandsworth 1-1525-015-21535OrphanedGasMountain Pacific General Inc.
Woods 1-2025-015-21537OrphanedGasMountain Pacific General Inc.
Hollandsworth 225-015-21666OrphanedGasMountain Pacific General Inc.
Woods 20-725-015-21671OrphanedGasMountain Pacific General Inc.
H. Maurer 17-1425-015-21766OrphanedGasMountain Pacific General Inc.
Woods 29-225-015-21767OrphanedGasMountain Pacific General Inc.
McLean 3-525-015-21769OrphanedGasMountain Pacific General Inc.
McLean 3-5B25-015-21796OrphanedGasMountain Pacific General Inc.
Melton 225-015-05000Plugged & abandonedOther typeArrow Creek Drilling
Cahalan 125-015-05001Plugged & abandonedOther typeConoco Inc.
Mid-States 125-015-05003Plugged & abandonedOther typeMid-States Oil Co.
Park 225-015-05004Plugged & abandonedOther typeGeraldine Oil & Gas
Taylor-Owens 125-015-05005Plugged & abandonedOther typeHager-Stevenson Oil Co.
Harr J. Witt A125-015-05006Plugged & abandonedOther typeMcAlester Fuel Co
Harris 125-015-05007Plugged & abandonedOther typeKnees Production
Walker #125-015-05008Plugged & abandonedOther typeCalifornia Syndicate
Orville Gray 12B-1925-015-05010Plugged & abandonedOther typeGering & Jantz
Rominger 6-1825-015-05011Plugged & abandonedOther typeCascade Gas Co.
R. Rominger 11B-2425-015-05012Plugged & abandonedOther typeChamberlain, Virgil R.
Good 125-015-05013Plugged & abandonedOther typeUnited Petroleum & Mining
Nichols 125-015-05014Plugged & abandonedOther typeTranscontinental Oil Corporation
Chris Nelson 125-015-05015Plugged & abandonedOther typeGulf Oil Corporation
George Gray 125-015-05016Plugged & abandonedOther typeCardinal Petroleum
Wanda Waskie 125-015-05017Plugged & abandonedOther typeBay Houston Towing Co.

A sample of the county’s wells — every catalogued well has its own page. Browse all 786 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 Chouteau County, MT?

Chouteau County, Montana has 786 catalogued oil & gas wells: 100 active, 626 plugged and 11 documented orphans.

How many orphaned wells are in Chouteau County?

11 wells in Chouteau County, Montana are documented orphans — unplugged with no solvent operator of record, the 9th-highest count among Montana counties.

What share of wells in Chouteau County are plugged?

626 of Chouteau County's 786 catalogued wells (80%) 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); Chouteau County ranks 16th with 786.

How many companies operate wells in Chouteau County?

137 distinct operators of record are linked to catalogued wells in Chouteau 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 Chouteau County, Montana”, https://wellcensus.com/wells/montana/chouteau (data as of October 10, 2026).