Miller Bros
Operator of record for 2 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: MILLER BROS · Miller Bros
At a glance
Miller Bros is the operator of record for 2 catalogued U.S. oil & gas wells in 2 states. 1 (50%) are active, 0 (0%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 1 wells (50% of its portfolio).
Wells operated
2
Active
1
Plugged
0
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 1 |
| Pennsylvania | 1 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 50%
Is this your company?
Claim Miller Bros to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Miller Bros operate?
Miller Bros's catalogued wells are spread across 2 states: Illinois (1) and Pennsylvania (1). Its 1 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 Miller Bros’s wells are active, plugged or orphaned?
50% of Miller Bros's catalogued wells are active, 21 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Miller Bros operate?
By product class, 1 (50%) 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 Groves, Dan 5 in Macoupin, IL at 540 ft. The wells listed below sit in Macoupin (IL) and Clinton (PA). 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 Miller Bros
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Groves, Dan 5 | 12-117-00308 | Active | Oil | Macoupin, IL | Miller Bros | 540 ft |
| Corman 1 | 37-035-90000 | Orphaned | Other type | Clinton, PA | Miller Bros | — |
Deepest first where depth is published. See all 2 wells →
Frequently asked questions
How many wells does Miller Bros operate?
Miller Bros is the operator of record for 2 catalogued oil & gas wells, with the largest concentration in Illinois (1). Only wells in states WellCensus has ingested are counted.
How many of Miller Bros's wells are still active?
1 of Miller Bros's catalogued wells are active; 0 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Miller Bros operate wells?
Miller Bros is the operator of record for wells in Illinois (1) and Pennsylvania (1).
Does Miller Bros operate mostly oil or gas wells?
1 of Miller Bros's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Miller Bros's deepest well?
Among wells with a published depth, Groves, Dan 5 in Macoupin, IL is the deepest at 540 ft.
Where Miller Bros'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, “Miller Bros — well portfolio”, https://wellcensus.com/operators/miller-bros-71674 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).