Duffield Of
Operator of record for 8 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: DUFFIELD O F · Duffield, O F · Duffield, O.F.
At a glance
Duffield Of is the operator of record for 8 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 3 (38%) are plugged & abandoned and 5 flagged as orphaned. Its largest concentration is in Oklahoma, with 5 wells (63% of its portfolio).
Wells operated
8
Active
0
Plugged
3
Orphaned
5
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 5 |
| Arkansas | 1 |
| Montana | 1 |
| Wyoming | 1 |
Well mix
- Oil wells
- 3
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Duffield Of operate?
Duffield Of's catalogued wells are spread across 4 states: Oklahoma (5), Arkansas (1), Montana (1) and Wyoming (1). Its 1 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 Duffield Of’s wells are active, plugged or orphaned?
0% of Duffield Of's catalogued wells are active, 29 percentage points below the national share of 29%. 38% are plugged & abandoned, against 47% nationally. 5 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Duffield Of operate?
By product class, 3 (38%) are oil wells and 2 (25%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Forrest Federal 1-31 in Powder River, MT at 7,247 ft. The wells listed below sit in Powder River (MT), Campbell (WY), Union (AR) and Rogers (OK). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Duffield Of
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Forrest Federal 1-31 | 25-075-22102 | Plugged & abandoned | Other type | Powder River, MT | Duffield, O.F. | 7,247 ft |
| State 1-36 | 49-005-26865 | Plugged & abandoned | Oil | Campbell, WY | Duffield O F | 6,740 ft |
| Edwards 1 | 03-139-10770 | Plugged & abandoned | Oil | Union, AR | Duffield, O F | 4,620 ft |
| Alexander #29-3 | 35-131-22551 | Orphaned | Gas | Rogers, OK | Duffield O F | — |
| Wofford #1 | 35-131-22755 | Orphaned | Other type | Rogers, OK | Duffield O F | — |
| Curby #19-2 | 35-131-22523 | Orphaned | Other type | Rogers, OK | Duffield O F | — |
| Alexander #29-5 | 35-131-22497 | Orphaned | Gas | Rogers, OK | Duffield O F | — |
| Alexander #29-1 | 35-131-22500 | Orphaned | Oil | Rogers, OK | Duffield O F | — |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Duffield Of operate?
Duffield Of is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Oklahoma (5). Only wells in states WellCensus has ingested are counted.
How many of Duffield Of's wells are still active?
0 of Duffield Of's catalogued wells are active; 3 are plugged & abandoned and 5 are flagged as orphaned.
In which states does Duffield Of operate wells?
Duffield Of is the operator of record for wells in Oklahoma (5), Arkansas (1), Montana (1) and Wyoming (1).
Does Duffield Of operate mostly oil or gas wells?
3 of Duffield Of's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
What is Duffield Of's deepest well?
Among wells with a published depth, Forrest Federal 1-31 in Powder River, MT is the deepest at 7,247 ft.
Where Duffield Of'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, “Duffield Of — well portfolio”, https://wellcensus.com/operators/duffield-of-20731 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).