Mcnally & Starr
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mcnally & Starr is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. 4 (80%) are active, 1 (20%) plugged & abandoned. Its largest concentration is in Illinois, with 5 wells (100% of its portfolio).
Wells operated
5
Active
4
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 5 |
Well mix
- Oil wells
- 3
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 80%
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Claim your operator profileWhere does Mcnally & Starr operate?
Mcnally & Starr's catalogued wells are spread across 1 state: Illinois (5). Its 5 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 Mcnally & Starr’s wells are active, plugged or orphaned?
80% of Mcnally & Starr's catalogued wells are active, 51 percentage points above the national share of 29%. 20% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mcnally & Starr operate?
By product class, 3 (60%) are oil wells and 1 (20%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is M. J. Maxwell 2 in Crawford, IL at 1,021 ft.
Notable wells operated by Mcnally & Starr
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| M. J. Maxwell 2 | 12-033-10299 | Active | Oil | Crawford, IL | McNally & Starr | 1,021 ft |
| Joseph, H. 4 | 12-033-06622 | Plugged & abandoned | Other type | Crawford, IL | McNally & Starr | 935 ft |
| Joseph, H. 3 | 12-033-06621 | Active | Oil | Crawford, IL | McNally & Starr | 878 ft |
| Joseph, H. 2 | 12-033-06620 | Active | Oil | Crawford, IL | McNally & Starr | 876 ft |
| Maxwell, M.J. 1 | 12-033-10297 | Active | Gas | Crawford, IL | McNally & Starr | 813 ft |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Mcnally & Starr operate?
Mcnally & Starr is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Illinois (5). Only wells in states WellCensus has ingested are counted.
How many of Mcnally & Starr's wells are still active?
4 of Mcnally & Starr's catalogued wells are active; 1 are plugged & abandoned.
In which states does Mcnally & Starr operate wells?
Mcnally & Starr is the operator of record for wells in Illinois (5).
Does Mcnally & Starr operate mostly oil or gas wells?
3 of Mcnally & Starr's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Mcnally & Starr's deepest well?
Among wells with a published depth, M. J. Maxwell 2 in Crawford, IL is the deepest at 1,021 ft.
Where Mcnally & Starr'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, “Mcnally & Starr — well portfolio”, https://wellcensus.com/operators/mcnally-starr-96024 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).