O Brien Energy
Operator of record for 37 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: O 'Brien Energy Company · O'BRIEN ENERGY COMPANY · O'Brien Energy Co., LLC · O'Brien Energy Company
At a glance
O Brien Energy is the operator of record for 37 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 33 (89%) are plugged & abandoned. Its largest concentration is in Louisiana, with 17 wells (46% of its portfolio).
Wells operated
37
Active
0
Plugged
33
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Louisiana | 17 |
| Arkansas | 7 |
| Kansas | 7 |
| Illinois | 6 |
Well mix
- Oil wells
- 8
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim O Brien Energy to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does O Brien Energy operate?
O Brien Energy's catalogued wells are spread across 4 states: Louisiana (17), Arkansas (7), Kansas (7) and Illinois (6). Its 7 Arkansas wells are 0.0% of the 33,791 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 Energy’s wells are active, plugged or orphaned?
0% of O Brien Energy's catalogued wells are active, 29 percentage points below the national share of 29%. 89% 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 Energy operate?
By product class, 8 (22%) 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 Hc Cox Heirs 28 002 in Webster, LA at 10,500 ft. The wells listed below sit in Webster (LA), Union (LA), Union (AR), Columbia (AR), Bienville (LA) and Chicot (AR) and other counties. State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by O Brien Energy
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hc Cox Heirs 28 002 | 17-119-21993 | Plugged & abandoned | Other type | Webster, LA | O'Brien Energy Company | 10,500 ft |
| Cv Ra Sub;washam 8 001 | 17-111-25576 | Plugged & abandoned | Other type | Union, LA | O'Brien Energy Company | 9,578 ft |
| Loftin, O B 1 | 03-139-13001 | Plugged & abandoned | Oil | Union, AR | O 'Brien Energy Company | 9,500 ft |
| Cv Ra Sua;stansbury 002 | 17-111-22287 | Plugged & abandoned | Other type | Union, LA | O'Brien Energy Company | 9,286 ft |
| Franks-Warnocl 1 | 03-027-00213 | Plugged & abandoned | Oil | Columbia, AR | O'Brien Energy Company | 8,923 ft |
| Lennie & Bruner et al 1 | 03-027-11540 | Other status | Oil | Columbia, AR | O'Brien Energy Company | 8,600 ft |
| U Hoss Sug;pyle 20 001-Alt | 17-013-21387 | Other status | Other type | Bienville, LA | O'Brien Energy Company | 8,300 ft |
| U Hoss Sul;holstun 001 | 17-013-21259 | Plugged & abandoned | Other type | Bienville, LA | O'Brien Energy Company | 8,103 ft |
| Pet Sug;speer 20 001 | 17-013-21354 | Plugged & abandoned | Other type | Bienville, LA | O'Brien Energy Company | 7,900 ft |
| U Hoss Sug;grover A Jones 001 | 17-013-21050 | Plugged & abandoned | Gas | Bienville, LA | O'Brien Energy Company | 7,880 ft |
| Baugh 1 | 03-017-10012 | Plugged & abandoned | Oil | Chicot, AR | O'Brien Energy Company | 7,535 ft |
| International Paper Co 1 | 03-073-11111 | Plugged & abandoned | Oil | Lafayette, AR | O'Brien Energy Company | 6,500 ft |
Deepest first where depth is published. See all 37 wells →
Frequently asked questions
How many wells does O Brien Energy operate?
O Brien Energy is the operator of record for 37 catalogued oil & gas wells, with the largest concentration in Louisiana (17). Only wells in states WellCensus has ingested are counted.
How many of O Brien Energy's wells are still active?
0 of O Brien Energy's catalogued wells are active; 33 are plugged & abandoned.
In which states does O Brien Energy operate wells?
O Brien Energy is the operator of record for wells in Louisiana (17), Arkansas (7), Kansas (7) and Illinois (6).
Does O Brien Energy operate mostly oil or gas wells?
8 of O Brien Energy's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is O Brien Energy's deepest well?
Among wells with a published depth, Hc Cox Heirs 28 002 in Webster, LA is the deepest at 10,500 ft.
Where O Brien Energy'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 Energy — well portfolio”, https://wellcensus.com/operators/o-brien-energy-76557 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).