O Brien Oil
Operator of record for 34 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: O'BRIEN OIL CORPORATION · O'BRIEN OIL LLC
At a glance
O Brien Oil is the operator of record for 34 catalogued U.S. oil & gas wells in 1 state. 12 (35%) are active, 21 (62%) plugged & abandoned. Its largest concentration is in Oklahoma, with 34 wells (100% of its portfolio).
Wells operated
34
Active
12
Plugged
21
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 34 |
Well mix
- Oil wells
- 16
- Gas wells
- 4
- Shut-in
- 0
- Active share
- 35%
Is this your company?
Claim O Brien Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does O Brien Oil operate?
O Brien Oil's catalogued wells are spread across 1 state: Oklahoma (34). Its 34 Oklahoma wells are 0.0% of the 456,595 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 Brien Oil’s wells are active, plugged or orphaned?
35% of O Brien Oil's catalogued wells are active, 6 percentage points above the national share of 29%. 62% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does O Brien Oil operate?
By product class, 16 (47%) are oil wells and 4 (12%) gas wells; nationally the shares are 43% and 17%. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by O Brien Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Kyle #1 | 35-083-21074 | Plugged & abandoned | Oil | Logan, OK | O'Brien Oil Corporation | — |
| Theodore #1 | 35-083-22309 | Plugged & abandoned | Other type | Logan, OK | O'Brien Oil Corporation | — |
| Jennifer #1-20 | 35-083-23364 | Plugged & abandoned | Oil | Logan, OK | O'Brien Oil Corporation | — |
| Dennis #1-3 | 35-083-23798 | Plugged & abandoned | Oil | Logan, OK | O'Brien Oil Corporation | — |
| Sara #1-3 | 35-083-23823 | Plugged & abandoned | Oil | Logan, OK | O'Brien Oil Corporation | — |
| Carol #1-7 | 35-083-23830 | Active | Gas | Logan, OK | O'Brien Oil Corporation | — |
| Sara #2-3 | 35-083-23844 | Plugged & abandoned | Oil | Logan, OK | O'Brien Oil Corporation | — |
| Shirley Davis #1-6 | 35-083-23866 | Plugged & abandoned | Other type | Logan, OK | O'Brien Oil Corporation | — |
| Kelly #1-34 | 35-083-23875 | Plugged & abandoned | Other type | Logan, OK | O'Brien Oil LLC | — |
| Lindsay Anne #1-2 | 35-083-23897 | Plugged & abandoned | Other type | Logan, OK | O'Brien Oil Corporation | — |
| Peggy #1-10 | 35-083-23906 | Plugged & abandoned | Gas | Logan, OK | O'Brien Oil Corporation | — |
| Yaya #1-6 | 35-083-24088 | Plugged & abandoned | Gas | Logan, OK | O'Brien Oil Corporation | — |
Deepest first where depth is published. See all 34 wells →
Frequently asked questions
How many wells does O Brien Oil operate?
O Brien Oil is the operator of record for 34 catalogued oil & gas wells, with the largest concentration in Oklahoma (34). Only wells in states WellCensus has ingested are counted.
How many of O Brien Oil's wells are still active?
12 of O Brien Oil's catalogued wells are active; 21 are plugged & abandoned.
In which states does O Brien Oil operate wells?
O Brien Oil is the operator of record for wells in Oklahoma (34).
Does O Brien Oil operate mostly oil or gas wells?
16 of O Brien Oil's catalogued wells are oil wells and 4 are gas wells; the rest are injection, service or unclassified wells.
Where O Brien Oil'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 Brien Oil — well portfolio”, https://wellcensus.com/operators/o-brien-oil-9340 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).