Duncan Oil Properties
Operator of record for 216 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: DUNCAN OIL PROPERTIES INC · Duncan Oil Properties, Inc.
At a glance
Duncan Oil Properties is the operator of record for 216 catalogued U.S. oil & gas wells in 2 states. 104 (48%) are active, 107 (50%) plugged & abandoned. Its largest concentration is in Oklahoma, with 208 wells (96% of its portfolio).
Wells operated
216
Active
104
Plugged
107
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 208 |
| Kansas | 8 |
Well mix
- Oil wells
- 85
- Gas wells
- 84
- Shut-in
- 0
- Active share
- 48%
Is this your company?
Claim Duncan Oil Properties to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Duncan Oil Properties operate?
Duncan Oil Properties's catalogued wells are spread across 2 states: Oklahoma (208) and Kansas (8). Its 208 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 Duncan Oil Properties’s wells are active, plugged or orphaned?
48% of Duncan Oil Properties's catalogued wells are active, 19 percentage points above the national share of 29%. 50% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Duncan Oil Properties operate?
By product class, 85 (39%) are oil wells and 84 (39%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Steinbring 1 in Hodgeman, KS at 4,775 ft. The wells listed below sit in Hodgeman (KS), Morton (KS), Meade (KS), Kingfisher (OK), Dewey (OK) and Grady (OK) and other counties. 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 Duncan Oil Properties
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Steinbring 1 | 15-083-21458 | Plugged & abandoned | Other type | Hodgeman, KS | Duncan Oil Properties, Inc. | 4,775 ft |
| Schaffer 4-14 | 15-083-21446 | Plugged & abandoned | Other type | Hodgeman, KS | Duncan Oil Properties, Inc. | 4,750 ft |
| Riley Trust 1-12 | 15-129-21598 | Plugged & abandoned | Other type | Morton, KS | Duncan Oil Properties, Inc. | 3,500 ft |
| Clayton 1-34 | 15-119-21164 | Plugged & abandoned | Other type | Meade, KS | Duncan Oil Properties, Inc. | 3,400 ft |
| Lola 1-34 | 15-119-21166 | Plugged & abandoned | Gas | Meade, KS | Duncan Oil Properties, Inc. | 3,400 ft |
| Adams 1-21 | 15-119-21163 | Plugged & abandoned | Other type | Meade, KS | Duncan Oil Properties, Inc. | 3,400 ft |
| Barragree Farms 1-25 | 15-119-21185 | Plugged & abandoned | Other type | Meade, KS | Duncan Oil Properties, Inc. | 3,375 ft |
| Judy 1-8 | 15-119-21138 | Plugged & abandoned | Other type | Meade, KS | Duncan Oil Properties, Inc. | 3,350 ft |
| Gv Barnard /B/ #2 | 35-073-21324 | Plugged & abandoned | Oil | Kingfisher, OK | Duncan Oil Properties Inc | — |
| Graybill #5-34h | 35-043-23153 | Active | Gas | Dewey, OK | Duncan Oil Properties Inc | — |
| Dover #1 | 35-051-20626 | Plugged & abandoned | Gas | Grady, OK | Duncan Oil Properties Inc | — |
| Monarch #1-2HX | 35-039-00048 | Other status | Oil | Custer, OK | Duncan Oil Properties Inc | — |
Deepest first where depth is published. See all 216 wells →
Frequently asked questions
How many wells does Duncan Oil Properties operate?
Duncan Oil Properties is the operator of record for 216 catalogued oil & gas wells, with the largest concentration in Oklahoma (208). Only wells in states WellCensus has ingested are counted.
How many of Duncan Oil Properties's wells are still active?
104 of Duncan Oil Properties's catalogued wells are active; 107 are plugged & abandoned.
In which states does Duncan Oil Properties operate wells?
Duncan Oil Properties is the operator of record for wells in Oklahoma (208) and Kansas (8).
Does Duncan Oil Properties operate mostly oil or gas wells?
85 of Duncan Oil Properties's catalogued wells are oil wells and 84 are gas wells; the rest are injection, service or unclassified wells.
What is Duncan Oil Properties's deepest well?
Among wells with a published depth, Steinbring 1 in Hodgeman, KS is the deepest at 4,775 ft.
Where Duncan Oil Properties'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, “Duncan Oil Properties — well portfolio”, https://wellcensus.com/operators/duncan-oil-properties-754 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).