Dinsmoor Oil
Operator of record for 45 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dinsmoor Oil is the operator of record for 45 catalogued U.S. oil & gas wells in 1 state. 15 (33%) are active, 5 (11%) plugged & abandoned. Its largest concentration is in Illinois, with 45 wells (100% of its portfolio).
Wells operated
45
Active
15
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 45 |
Well mix
- Oil wells
- 16
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 33%
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Claim Dinsmoor Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dinsmoor Oil operate?
Dinsmoor Oil's catalogued wells are spread across 1 state: Illinois (45). Its 45 Illinois wells are 0.0% of the 174,478 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 Dinsmoor Oil’s wells are active, plugged or orphaned?
33% of Dinsmoor Oil's catalogued wells are active, 4 percentage points above the national share of 29%. 11% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dinsmoor Oil operate?
By product class, 16 (36%) 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 Wilkin, Mathew 17 in Crawford, IL at 1,051 ft.
Notable wells operated by Dinsmoor Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Wilkin, Mathew 17 | 12-033-05797 | Active | Oil | Crawford, IL | Dinsmoor Oil Co | 1,051 ft |
| Henry, C.E. 2 | 12-033-15073 | Other status | Other type | Crawford, IL | Dinsmoor Oil Co | 1,031 ft |
| Wilkin, Silas | 12-033-05798 | Active | Oil | Crawford, IL | Dinsmoor Oil Co | 1,024 ft |
| Wilson, H. M. 8 | 12-033-35971 | Active | Oil | Crawford, IL | Dinsmoor Oil Co | 1,018 ft |
| Wilson, A.M. 8 | 12-033-14771 | Other status | Other type | Crawford, IL | Dinsmoor Oil Co | 1,018 ft |
| Randolph, Tom 2 | 12-033-05918 | Plugged & abandoned | Other type | Crawford, IL | Dinsmoor Oil Co | 1,015 ft |
| Wilkin, S. | 12-033-05795 | Plugged & abandoned | Oil | Crawford, IL | Dinsmoor Oil Co | 1,012 ft |
| Randolph, Tom 1 | 12-033-05917 | Active | Oil | Crawford, IL | Dinsmoor Oil Co | 1,010 ft |
| Henry, Charles 9 | 12-033-06286 | Plugged & abandoned | Other type | Crawford, IL | Dinsmoor Oil Co | 1,008 ft |
| Henry, S. 6 | 12-033-15081 | Other status | Other type | Crawford, IL | Dinsmoor Oil Co | 1,003 ft |
| Henry, S. 4 | 12-033-15079 | Other status | Other type | Crawford, IL | Dinsmoor Oil Co | 1,003 ft |
| Henry, S. 1 | 12-033-15076 | Other status | Other type | Crawford, IL | Dinsmoor Oil Co | 1,001 ft |
Deepest first where depth is published. See all 45 wells →
Frequently asked questions
How many wells does Dinsmoor Oil operate?
Dinsmoor Oil is the operator of record for 45 catalogued oil & gas wells, with the largest concentration in Illinois (45). Only wells in states WellCensus has ingested are counted.
How many of Dinsmoor Oil's wells are still active?
15 of Dinsmoor Oil's catalogued wells are active; 5 are plugged & abandoned.
In which states does Dinsmoor Oil operate wells?
Dinsmoor Oil is the operator of record for wells in Illinois (45).
Does Dinsmoor Oil operate mostly oil or gas wells?
16 of Dinsmoor Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dinsmoor Oil's deepest well?
Among wells with a published depth, Wilkin, Mathew 17 in Crawford, IL is the deepest at 1,051 ft.
Where Dinsmoor Oil'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, “Dinsmoor Oil — well portfolio”, https://wellcensus.com/operators/dinsmoor-oil-93059 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).