Coolidge Gb
Operator of record for 18 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Coolidge Gb is the operator of record for 18 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 18 (100%) are plugged & abandoned. Its largest concentration is in Montana, with 18 wells (100% of its portfolio).
Wells operated
18
Active
0
Plugged
18
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 18 |
Well mix
- Oil wells
- 6
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Coolidge Gb to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Coolidge Gb operate?
Coolidge Gb's catalogued wells are spread across 1 state: Montana (18). Its 18 Montana wells are 0.0% 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 Coolidge Gb’s wells are active, plugged or orphaned?
0% of Coolidge Gb'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 Coolidge Gb operate?
By product class, 6 (33%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is State 1 in Toole, MT at 3,122 ft. The wells listed below sit in Toole (MT), Liberty (MT) and Teton (MT).
Notable wells operated by Coolidge Gb
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| State 1 | 25-101-23656 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 3,122 ft |
| Rankin 21-10 | 25-101-21118 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 2,585 ft |
| Federal 1-15 | 25-051-21636 | Plugged & abandoned | Oil | Liberty, MT | Coolidge, G. B., Inc. | 2,550 ft |
| Federal 23-15 | 25-051-21643 | Plugged & abandoned | Oil | Liberty, MT | Coolidge, G. B., Inc. | 2,542 ft |
| Rankin 23-4 | 25-101-21214 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 2,484 ft |
| Danbrook 1 | 25-101-23394 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 2,225 ft |
| Goeddertz 1-21 | 25-101-21536 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 2,172 ft |
| Prindle-L<>1-21 | 25-101-21393 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 2,127 ft |
| Ponderea 1 | 25-099-21137 | Plugged & abandoned | Oil | Teton, MT | Coolidge, G. B., Inc. | 1,995 ft |
| Zimmerman 4 | 25-101-22091 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 1,566 ft |
| Montex Ptlm 1 | 25-101-23375 | Plugged & abandoned | Other type | Toole, MT | Coolidge, G. B., Inc. | 1,565 ft |
| Schmidt 5 | 25-101-23185 | Plugged & abandoned | Oil | Toole, MT | Coolidge, G. B., Inc. | 1,534 ft |
Deepest first where depth is published. See all 18 wells →
Frequently asked questions
How many wells does Coolidge Gb operate?
Coolidge Gb is the operator of record for 18 catalogued oil & gas wells, with the largest concentration in Montana (18). Only wells in states WellCensus has ingested are counted.
How many of Coolidge Gb's wells are still active?
0 of Coolidge Gb's catalogued wells are active; 18 are plugged & abandoned.
In which states does Coolidge Gb operate wells?
Coolidge Gb is the operator of record for wells in Montana (18).
Does Coolidge Gb operate mostly oil or gas wells?
6 of Coolidge Gb's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Coolidge Gb's deepest well?
Among wells with a published depth, State 1 in Toole, MT is the deepest at 3,122 ft.
Where Coolidge Gb'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, “Coolidge Gb — well portfolio”, https://wellcensus.com/operators/coolidge-gb-127935 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).