Dillier And
Operator of record for 19 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dillier And is the operator of record for 19 catalogued U.S. oil & gas wells in 1 state. 17 (89%) are active, 2 (11%) plugged & abandoned. Its largest concentration is in Illinois, with 19 wells (100% of its portfolio).
Wells operated
19
Active
17
Plugged
2
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 19 |
Well mix
- Oil wells
- 13
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 89%
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Claim your operator profileWhere does Dillier And operate?
Dillier And's catalogued wells are spread across 1 state: Illinois (19). Its 19 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 Dillier And’s wells are active, plugged or orphaned?
89% of Dillier And's catalogued wells are active, 61 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 Dillier And operate?
By product class, 13 (68%) 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 Stephen 4-WI in Clark, IL at 485 ft.
Notable wells operated by Dillier And
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Stephen 4-WI | 12-023-25670 | Active | Injection | Clark, IL | Dillier and Co., Inc. | 485 ft |
| Black 1-WI | 12-023-25563 | Active | Injection | Clark, IL | Dillier and Co., Inc. | 460 ft |
| Black 2 | 12-023-25572 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 391 ft |
| Black 1 | 12-023-25571 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 388 ft |
| Black 2-WI | 12-023-25565 | Active | Injection | Clark, IL | Dillier and Co., Inc. | 388 ft |
| Black 6 | 12-023-25576 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 385 ft |
| Black 7 | 12-023-25635 | Plugged & abandoned | Oil | Clark, IL | Dillier and Co., Inc. | 375 ft |
| Black 5 | 12-023-25575 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 371 ft |
| Black 4 | 12-023-25574 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 371 ft |
| Black 3 | 12-023-25573 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 369 ft |
| Stephen 1 | 12-023-25604 | Active | Oil | Clark, IL | Dillier and Co., Inc. | 360 ft |
| Black 3-WI | 12-023-25564 | Active | Injection | Clark, IL | Dillier and Co., Inc. | 359 ft |
Deepest first where depth is published. See all 19 wells →
Frequently asked questions
How many wells does Dillier And operate?
Dillier And is the operator of record for 19 catalogued oil & gas wells, with the largest concentration in Illinois (19). Only wells in states WellCensus has ingested are counted.
How many of Dillier And's wells are still active?
17 of Dillier And's catalogued wells are active; 2 are plugged & abandoned.
In which states does Dillier And operate wells?
Dillier And is the operator of record for wells in Illinois (19).
Does Dillier And operate mostly oil or gas wells?
13 of Dillier And's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dillier And's deepest well?
Among wells with a published depth, Stephen 4-WI in Clark, IL is the deepest at 485 ft.
Where Dillier And'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, “Dillier And — well portfolio”, https://wellcensus.com/operators/dillier-and-93191 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).