Mathes John & Assoc
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mathes John & Assoc is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 3 (25%) are plugged & abandoned. Its largest concentration is in Illinois, with 12 wells (100% of its portfolio).
Wells operated
12
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 12 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Mathes John & Assoc to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mathes John & Assoc operate?
Mathes John & Assoc's catalogued wells are spread across 1 state: Illinois (12). Its 12 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 Mathes John & Assoc’s wells are active, plugged or orphaned?
0% of Mathes John & Assoc's catalogued wells are active, 29 percentage points below the national share of 29%. 25% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mathes John & Assoc operate?
By product class, 0 (0%) 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 J M A 2 in St. Clair, IL at 170 ft. The wells listed below sit in St. Clair (IL), Madison (IL) and Vermilion (IL).
Notable wells operated by Mathes John & Assoc
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| J M A 2 | 12-163-24195 | Plugged & abandoned | Other type | St. Clair, IL | Mathes,John & Assoc.,Inc | 170 ft |
| J M A 1 | 12-163-24194 | Plugged & abandoned | Other type | St. Clair, IL | Mathes,John & Assoc.,Inc | 162 ft |
| J M A 3 | 12-163-24196 | Plugged & abandoned | Other type | St. Clair, IL | Mathes,John & Assoc.,Inc | 162 ft |
| Alton Regional Cntr 10 | 12-119-23144 | Other status | Other type | Madison, IL | Mathes,John & Assoc.,Inc | 133 ft |
| Alton Regional Shop.Cnt 151-1 | 12-119-23142 | Other status | Other type | Madison, IL | Mathes,John & Assoc.,Inc | 124 ft |
| Alton Regional Shop.Cnt 151-5 | 12-119-23143 | Other status | Other type | Madison, IL | Mathes,John & Assoc.,Inc | 101 ft |
| I.G.S. B-5 | 12-183-22547 | Other status | Other type | Vermilion, IL | Mathes,John & Assoc.,Inc | 0 ft |
| # B-1 B-1 | 12-163-25234 | Other status | Other type | St. Clair, IL | Mathes,John & Assoc.,Inc | 0 ft |
| Igs B-2 | 12-183-22515 | Other status | Other type | Vermilion, IL | Mathes,John & Assoc.,Inc | — |
| Igs B-3 | 12-183-22516 | Other status | Other type | Vermilion, IL | Mathes,John & Assoc.,Inc | — |
| B-4 | 12-183-22522 | Other status | Other type | Vermilion, IL | Mathes,John & Assoc.,Inc | — |
| Igs B-1 | 12-183-22514 | Other status | Other type | Vermilion, IL | Mathes,John & Assoc.,Inc | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Mathes John & Assoc operate?
Mathes John & Assoc is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Illinois (12). Only wells in states WellCensus has ingested are counted.
How many of Mathes John & Assoc's wells are still active?
0 of Mathes John & Assoc's catalogued wells are active; 3 are plugged & abandoned.
In which states does Mathes John & Assoc operate wells?
Mathes John & Assoc is the operator of record for wells in Illinois (12).
Does Mathes John & Assoc operate mostly oil or gas wells?
0 of Mathes John & Assoc's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mathes John & Assoc's deepest well?
Among wells with a published depth, J M A 2 in St. Clair, IL is the deepest at 170 ft.
Where Mathes John & Assoc'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, “Mathes John & Assoc — well portfolio”, https://wellcensus.com/operators/mathes-john-assoc-105847 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).