O Neil Lb
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
O Neil Lb is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. 1 (17%) are active, 5 (83%) plugged & abandoned. Its largest concentration is in Montana, with 6 wells (100% of its portfolio).
Wells operated
6
Active
1
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Montana | 6 |
Well mix
- Oil wells
- 0
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 17%
Is this your company?
Claim O Neil Lb to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does O Neil Lb operate?
O Neil Lb's catalogued wells are spread across 1 state: Montana (6). Its 6 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 O Neil Lb’s wells are active, plugged or orphaned?
17% of O Neil Lb's catalogued wells are active, 12 percentage points below the national share of 29%. 83% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does O Neil Lb operate?
By product class, 0 (0%) are oil wells and 1 (17%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Alice Brown 1 in Liberty, MT at 4,917 ft. The wells listed below sit in Liberty (MT), Glacier (MT), Teton (MT), Toole (MT) and Cascade (MT).
Notable wells operated by O Neil Lb
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Alice Brown 1 | 25-051-05013 | Plugged & abandoned | Other type | Liberty, MT | O'Neil, L.B. | 4,917 ft |
| State 1 | 25-035-06630 | Plugged & abandoned | Gas | Glacier, MT | O'Neil, L.B. | 2,701 ft |
| State 1 | 25-099-05081 | Plugged & abandoned | Other type | Teton, MT | O'Neil, L.B. | 2,305 ft |
| Kolstad 1 | 25-051-05019 | Active | Other type | Liberty, MT | O'Neil, L.B. | 2,202 ft |
| Hocksprung 1 | 25-101-10940 | Plugged & abandoned | Other type | Toole, MT | O'Neil, L.B. | 1,500 ft |
| Betts 1 | 25-013-05043 | Plugged & abandoned | Other type | Cascade, MT | O'Neil, L.B. | 1,415 ft |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does O Neil Lb operate?
O Neil Lb is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Montana (6). Only wells in states WellCensus has ingested are counted.
How many of O Neil Lb's wells are still active?
1 of O Neil Lb's catalogued wells are active; 5 are plugged & abandoned.
In which states does O Neil Lb operate wells?
O Neil Lb is the operator of record for wells in Montana (6).
Does O Neil Lb operate mostly oil or gas wells?
0 of O Neil Lb's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is O Neil Lb's deepest well?
Among wells with a published depth, Alice Brown 1 in Liberty, MT is the deepest at 4,917 ft.
Where O Neil Lb'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, “O Neil Lb — well portfolio”, https://wellcensus.com/operators/o-neil-lb-127426 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).