Dillman & Tyhurst
Operator of record for 3 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dillman & Tyhurst is the operator of record for 3 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 3 wells (100% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 3 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Dillman & Tyhurst to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dillman & Tyhurst operate?
Dillman & Tyhurst's catalogued wells are spread across 1 state: Illinois (3). Its 3 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 Dillman & Tyhurst’s wells are active, plugged or orphaned?
0% of Dillman & Tyhurst'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 Dillman & Tyhurst operate?
By product class, 2 (67%) 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 Mills-Bailey Com. 1 in Crawford, IL at 970 ft.
Notable wells operated by Dillman & Tyhurst
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mills-Bailey Com. 1 | 12-033-08144 | Plugged & abandoned | Oil | Crawford, IL | Dillman & Tyhurst | 970 ft |
| Keller, Coulter 3 | 12-033-02450 | Plugged & abandoned | Other type | Crawford, IL | Dillman & Tyhurst | 855 ft |
| Geff, D. & T. 1 | 12-033-02749 | Plugged & abandoned | Oil | Crawford, IL | Dillman & Tyhurst | 778 ft |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Dillman & Tyhurst operate?
Dillman & Tyhurst is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in Illinois (3). Only wells in states WellCensus has ingested are counted.
How many of Dillman & Tyhurst's wells are still active?
0 of Dillman & Tyhurst's catalogued wells are active; 3 are plugged & abandoned.
In which states does Dillman & Tyhurst operate wells?
Dillman & Tyhurst is the operator of record for wells in Illinois (3).
Does Dillman & Tyhurst operate mostly oil or gas wells?
2 of Dillman & Tyhurst's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dillman & Tyhurst's deepest well?
Among wells with a published depth, Mills-Bailey Com. 1 in Crawford, IL is the deepest at 970 ft.
Where Dillman & Tyhurst'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, “Dillman & Tyhurst — well portfolio”, https://wellcensus.com/operators/dillman-tyhurst-95732 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).