Mccool & O Brien
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mccool & O Brien is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. 9 (75%) are active, 3 (25%) plugged & abandoned. Its largest concentration is in Kentucky, with 12 wells (100% of its portfolio).
Wells operated
12
Active
9
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 12 |
Well mix
- Oil wells
- 0
- Gas wells
- 9
- Shut-in
- 0
- Active share
- 75%
Is this your company?
Claim Mccool & O Brien to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mccool & O Brien operate?
Mccool & O Brien's catalogued wells are spread across 1 state: Kentucky (12). Its 12 Kentucky wells are 0.0% of the 201,022 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 Mccool & O Brien’s wells are active, plugged or orphaned?
75% of Mccool & O Brien's catalogued wells are active, 46 percentage points above the national share of 29%. 25% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mccool & O Brien operate?
By product class, 0 (0%) are oil wells and 9 (75%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Bennett Heirs 1 in Carter, KY at 1,273 ft.
Notable wells operated by Mccool & O Brien
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bennett Heirs 1 | KGS record 2930 | Plugged & abandoned | Other type | Carter, KY | Mccool & O'Brien | 1,273 ft |
| Bennett Heirs 9 | KGS record 2926 | Plugged & abandoned | Other type | Carter, KY | Mccool & O'Brien | 570 ft |
| Bennett Heirs 11 | KGS record 2927 | Active | Gas | Carter, KY | Mccool & O'Brien | 528 ft |
| Bennett Heirs 2 | KGS record 2923 | Active | Gas | Carter, KY | Mccool & O'Brien | 518 ft |
| Bennett Heirs 12 | KGS record 2928 | Active | Gas | Carter, KY | Mccool & O'Brien | 480 ft |
| Bennett Heirs 8 | KGS record 2925 | Active | Gas | Carter, KY | Mccool & O'Brien | 457 ft |
| Bennett Heirs 6 | KGS record 2931 | Plugged & abandoned | Other type | Carter, KY | Mccool & O'Brien | 447 ft |
| Bennett Heirs 7 | KGS record 2924 | Active | Gas | Carter, KY | Mccool & O'Brien | 415 ft |
| Bennett Heirs 10 | KGS record 2954 | Active | Gas | Carter, KY | Mccool & O'Brien | 400 ft |
| Bennett Heirs 3 | KGS record 2951 | Active | Gas | Carter, KY | Mccool & O'Brien | 367 ft |
| Bennett Heirs 5 | KGS record 2953 | Active | Gas | Carter, KY | Mccool & O'Brien | 337 ft |
| Bennett Heirs 4 | KGS record 2952 | Active | Gas | Carter, KY | Mccool & O'Brien | 335 ft |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Mccool & O Brien operate?
Mccool & O Brien is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Kentucky (12). Only wells in states WellCensus has ingested are counted.
How many of Mccool & O Brien's wells are still active?
9 of Mccool & O Brien's catalogued wells are active; 3 are plugged & abandoned.
In which states does Mccool & O Brien operate wells?
Mccool & O Brien is the operator of record for wells in Kentucky (12).
Does Mccool & O Brien operate mostly oil or gas wells?
0 of Mccool & O Brien's catalogued wells are oil wells and 9 are gas wells; the rest are injection, service or unclassified wells.
What is Mccool & O Brien's deepest well?
Among wells with a published depth, Bennett Heirs 1 in Carter, KY is the deepest at 1,273 ft.
Where Mccool & O Brien'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, “Mccool & O Brien — well portfolio”, https://wellcensus.com/operators/mccool-o-brien-98426 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).