Duffy Oliver H
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Duffy Oliver H is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. 1 (9%) are active, 5 (45%) plugged & abandoned. Its largest concentration is in Kentucky, with 11 wells (100% of its portfolio).
Wells operated
11
Active
1
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 11 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 9%
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Claim your operator profileWhere does Duffy Oliver H operate?
Duffy Oliver H's catalogued wells are spread across 1 state: Kentucky (11). Its 11 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 Duffy Oliver H’s wells are active, plugged or orphaned?
9% of Duffy Oliver H's catalogued wells are active, 20 percentage points below the national share of 29%. 45% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Duffy Oliver H operate?
By product class, 1 (9%) 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 Robinson, Elmer 3 in Morgan, KY at 2,335 ft.
Notable wells operated by Duffy Oliver H
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Robinson, Elmer 3 | 16-175-00243 | Plugged & abandoned | Other type | Morgan, KY | Duffy, Oliver H | 2,335 ft |
| Robinson, Elmer 1 | 16-175-00242 | Plugged & abandoned | Other type | Morgan, KY | Duffy, Oliver H | 2,106 ft |
| Robinson, Elmer 4 | 16-175-00244 | Plugged & abandoned | Other type | Morgan, KY | Duffy, Oliver H | 2,076 ft |
| Prater, Boyd 1 | 16-175-00239 | Plugged & abandoned | Other type | Morgan, KY | Duffy, Oliver H | 1,946 ft |
| Ray, Hager 2 | 16-175-00241 | Plugged & abandoned | Other type | Morgan, KY | Duffy, Oliver H | 583 ft |
| Ray, Hager 1 | 16-175-00240 | Active | Oil | Morgan, KY | Duffy, Oliver H | 567 ft |
| Pelphrey, William Mason 0003 | 16-175-00238 | Other status | Other type | Morgan, KY | Duffy, Oliver H | — |
| Pelphrey, William Mason 0002 | 16-175-00237 | Other status | Other type | Morgan, KY | Duffy, Oliver H | — |
| Osborne, Clarence 1 | 16-175-00236 | Other status | Other type | Morgan, KY | Duffy, Oliver H | — |
| Hager, Ray 5 | 16-175-00081 | Other status | Other type | Morgan, KY | Duffy, Oliver H | — |
| Ray, Hager M 5 | 16-175-00126 | Other status | Other type | Morgan, KY | Duffy, Oliver H | — |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Duffy Oliver H operate?
Duffy Oliver H is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Kentucky (11). Only wells in states WellCensus has ingested are counted.
How many of Duffy Oliver H's wells are still active?
1 of Duffy Oliver H's catalogued wells are active; 5 are plugged & abandoned.
In which states does Duffy Oliver H operate wells?
Duffy Oliver H is the operator of record for wells in Kentucky (11).
Does Duffy Oliver H operate mostly oil or gas wells?
1 of Duffy Oliver H's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Duffy Oliver H's deepest well?
Among wells with a published depth, Robinson, Elmer 3 in Morgan, KY is the deepest at 2,335 ft.
Where Duffy Oliver H'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, “Duffy Oliver H — well portfolio”, https://wellcensus.com/operators/duffy-oliver-h-100287 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).