Teter Tc
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Teter Tc is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 10 (91%) are plugged & abandoned. Its largest concentration is in Illinois, with 11 wells (100% of its portfolio).
Wells operated
11
Active
0
Plugged
10
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 11 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Teter Tc operate?
Teter Tc's catalogued wells are spread across 1 state: Illinois (11). Its 11 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 Teter Tc’s wells are active, plugged or orphaned?
0% of Teter Tc's catalogued wells are active, 29 percentage points below the national share of 29%. 91% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Teter Tc operate?
By product class, 5 (45%) 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 Dunbar, S. 1 in Clinton, IL at 4,056 ft. The wells listed below sit in Clinton (IL), Franklin (IL), St. Clair (IL), Marion (IL), Perry (IL) and Clark (IL).
Notable wells operated by Teter Tc
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Dunbar, S. 1 | 12-027-02175 | Plugged & abandoned | Other type | Clinton, IL | Teter, T. C. | 4,056 ft |
| Pettit Heirs 1 | 12-055-01692 | Plugged & abandoned | Oil | Franklin, IL | Teter, T. C. | 2,798 ft |
| Harms, Leroy O. 1 | 12-163-01354 | Plugged & abandoned | Other type | St. Clair, IL | Teter, T. C. | 2,562 ft |
| Castellari 2 | 12-121-03111 | Other status | Oil | Marion, IL | Teter, T. C. | 2,132 ft |
| Boggs-Rush Community 1 | 12-121-03107 | Plugged & abandoned | Oil | Marion, IL | Teter, T. C. | 1,968 ft |
| Mathews 1 | 12-121-04764 | Plugged & abandoned | Other type | Marion, IL | Teter, T. C. | 1,732 ft |
| Majewski, Anna 3-A | 12-145-02720 | Plugged & abandoned | Oil | Perry, IL | Teter, T. C. | 1,143 ft |
| Majewski 4A | 12-145-02814 | Plugged & abandoned | Other type | Perry, IL | Teter, T. C. | 1,134 ft |
| Lampen 2 | 12-027-02413 | Plugged & abandoned | Other type | Clinton, IL | Teter, T. C. | 1,104 ft |
| Higginbotham 1 | 12-023-01404 | Plugged & abandoned | Other type | Clark, IL | Teter, T. C. | 625 ft |
| Umbarger 2 | 12-023-27419 | Plugged & abandoned | Oil | Clark, IL | Teter, T. C. | 513 ft |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Teter Tc operate?
Teter Tc is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Illinois (11). Only wells in states WellCensus has ingested are counted.
How many of Teter Tc's wells are still active?
0 of Teter Tc's catalogued wells are active; 10 are plugged & abandoned.
In which states does Teter Tc operate wells?
Teter Tc is the operator of record for wells in Illinois (11).
Does Teter Tc operate mostly oil or gas wells?
5 of Teter Tc's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Teter Tc's deepest well?
Among wells with a published depth, Dunbar, S. 1 in Clinton, IL is the deepest at 4,056 ft.
Where Teter Tc'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, “Teter Tc — well portfolio”, https://wellcensus.com/operators/teter-tc-66938 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).