Cobb Ab &
Operator of record for 35 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cobb Ab & is the operator of record for 35 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 35 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 35 wells (100% of its portfolio).
Wells operated
35
Active
0
Plugged
35
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 35 |
Well mix
- Oil wells
- 13
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Cobb Ab & operate?
Cobb Ab &'s catalogued wells are spread across 1 state: Montana (35). Its 35 Montana wells are 0.1% of the 42,011 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Cobb Ab &’s wells are active, plugged or orphaned?
0% of Cobb Ab &'s catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cobb Ab & operate?
By product class, 13 (37%) are oil wells and 5 (14%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Tribal 264 1 in Glacier, MT at 6,108 ft. The wells listed below sit in Glacier (MT), Teton (MT), Pondera (MT), Hill (MT) and Garfield (MT).
Notable wells operated by Cobb Ab &
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Tribal 264 1 | 25-035-05735 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 6,108 ft |
| Hirshberg 1 | 25-099-07008 | Plugged & abandoned | Other type | Teton, MT | Cobb, A.B. & Company | 5,228 ft |
| Allotted 223 1 | 25-073-05468 | Plugged & abandoned | Other type | Pondera, MT | Cobb, A.B. & Company | 5,127 ft |
| U.S. Government 060135 | 25-041-05111 | Plugged & abandoned | Other type | Hill, MT | Cobb, A.B. & Company | 4,146 ft |
| N.P. 1 | 25-033-06189 | Plugged & abandoned | Other type | Garfield, MT | Cobb, A.B. & Company | 3,572 ft |
| Tribal U #6 | 25-035-05253 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 3,446 ft |
| Sec St Bk 2 | 25-073-05572 | Plugged & abandoned | Other type | Pondera, MT | Cobb, A.B. & Company | 3,305 ft |
| Anderson #2 | 25-035-05048 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 3,262 ft |
| D C 9 5 | 25-035-05264 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 3,241 ft |
| Tribal 304-2 | 25-035-08749 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 3,240 ft |
| Stufft 1 | 25-035-06671 | Plugged & abandoned | Gas | Glacier, MT | Cobb, A.B. & Company | 3,100 ft |
| Indian G 7 | 25-035-05033 | Plugged & abandoned | Other type | Glacier, MT | Cobb, A.B. & Company | 3,098 ft |
Deepest first where depth is published. See all 35 wells →
Frequently asked questions
How many wells does Cobb Ab & operate?
Cobb Ab & is the operator of record for 35 catalogued oil & gas wells, with the largest concentration in Montana (35). Only wells in states WellCensus has ingested are counted.
How many of Cobb Ab &'s wells are still active?
0 of Cobb Ab &'s catalogued wells are active; 35 are plugged & abandoned.
In which states does Cobb Ab & operate wells?
Cobb Ab & is the operator of record for wells in Montana (35).
Does Cobb Ab & operate mostly oil or gas wells?
13 of Cobb Ab &'s catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Cobb Ab &'s deepest well?
Among wells with a published depth, Tribal 264 1 in Glacier, MT is the deepest at 6,108 ft.
Where Cobb Ab &'s wells are
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Cobb Ab & — well portfolio”, https://wellcensus.com/operators/cobb-ab-127205 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).