Obrien Drilling
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: OBrien Drilling Co · Obrien Drilling Co
At a glance
Obrien Drilling is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 5 (100%) are plugged & abandoned. Its largest concentration is in Arkansas, with 5 wells (100% of its portfolio).
Wells operated
5
Active
0
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Arkansas | 5 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Obrien Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Obrien Drilling operate?
Obrien Drilling's catalogued wells are spread across 1 state: Arkansas (5). Its 5 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 Obrien Drilling’s wells are active, plugged or orphaned?
0% of Obrien Drilling'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 Obrien Drilling operate?
By product class, 5 (100%) 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 Sturgis, W H et al A-1 in Miller, AR at 4,509 ft. The wells listed below sit in Miller (AR) and Lafayette (AR). 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 Obrien Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Sturgis, W H et al A-1 | 03-091-00605 | Plugged & abandoned | Oil | Miller, AR | OBrien Drilling Co | 4,509 ft |
| Haydon, Mary Turner 1 | 03-091-00609 | Plugged & abandoned | Oil | Miller, AR | Obrien Drilling Co | 4,502 ft |
| Moore, Henry Heirs 1 | 03-073-00975 | Plugged & abandoned | Oil | Lafayette, AR | Obrien Drilling Co | 4,456 ft |
| Russell, Paul J 1 | 03-073-01022 | Plugged & abandoned | Oil | Lafayette, AR | Obrien Drilling Co | 4,000 ft |
| Sturgis Lumber Co 1 | 03-091-00296 | Plugged & abandoned | Oil | Miller, AR | Obrien Drilling Co | 3,710 ft |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Obrien Drilling operate?
Obrien Drilling is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Arkansas (5). Only wells in states WellCensus has ingested are counted.
How many of Obrien Drilling's wells are still active?
0 of Obrien Drilling's catalogued wells are active; 5 are plugged & abandoned.
In which states does Obrien Drilling operate wells?
Obrien Drilling is the operator of record for wells in Arkansas (5).
Does Obrien Drilling operate mostly oil or gas wells?
5 of Obrien Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Obrien Drilling's deepest well?
Among wells with a published depth, Sturgis, W H et al A-1 in Miller, AR is the deepest at 4,509 ft.
Where Obrien Drilling'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, “Obrien Drilling — well portfolio”, https://wellcensus.com/operators/obrien-drilling-139630 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).