Trojan Oil
Operator of record for 11 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Trojan Oil Co. · Trojan Oil Co., Inc.
At a glance
Trojan Oil is the operator of record for 11 catalogued U.S. oil & gas wells in 2 states. 2 (18%) are active, 7 (64%) plugged & abandoned. Its largest concentration is in Illinois, with 10 wells (91% of its portfolio).
Wells operated
11
Active
2
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 10 |
| California | 1 |
Well mix
- Oil wells
- 8
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 18%
Is this your company?
Claim Trojan Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Trojan Oil operate?
Trojan Oil's catalogued wells are spread across 2 states: Illinois (10) and California (1). Its 10 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 Trojan Oil’s wells are active, plugged or orphaned?
18% of Trojan Oil's catalogued wells are active, 11 percentage points below the national share of 29%. 64% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Trojan Oil operate?
By product class, 8 (73%) 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 Frohning, Carl 1 in Jasper, IL at 3,312 ft. The wells listed below sit in Jasper (IL), Richland (IL) and Los Angeles (CA). 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 Trojan Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Frohning, Carl 1 | 12-079-00627 | Active | Oil | Jasper, IL | Trojan Oil Co. | 3,312 ft |
| Frohning, Carl 2 | 12-079-00649 | Plugged & abandoned | Oil | Jasper, IL | Trojan Oil Co. | 3,309 ft |
| Frohning, Carl 4 | 12-079-01476 | Plugged & abandoned | Oil | Jasper, IL | Trojan Oil Co. | 3,308 ft |
| Frohning, Carl 3 | 12-079-01475 | Plugged & abandoned | Oil | Jasper, IL | Trojan Oil Co. | 3,265 ft |
| Bergbower 4 | 12-079-24162 | Plugged & abandoned | Other type | Jasper, IL | Trojan Oil Co., Inc. | 3,155 ft |
| Huddlestun 1 | 12-079-24874 | Plugged & abandoned | Oil | Jasper, IL | Trojan Oil Co., Inc. | 3,085 ft |
| Hemrich 2-A | 12-079-00734 | Active | Oil | Jasper, IL | Trojan Oil Co. | 2,848 ft |
| Frohning, Carl 5 | 12-079-01477 | Plugged & abandoned | Oil | Jasper, IL | Trojan Oil Co. | 2,804 ft |
| Bergbower, Leonard 2-A | 12-079-24161 | Other status | Other type | Jasper, IL | Trojan Oil Co. | 0 ft |
| Murray 1-D | 12-159-24284 | Other status | Other type | Richland, IL | Trojan Oil Co., Inc. | — |
| Lease by Trojan Oil Co. 1 | 04-037-11786 | Plugged & abandoned | Oil | Los Angeles, CA | Trojan Oil Co. | — |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Trojan Oil operate?
Trojan Oil is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Illinois (10). Only wells in states WellCensus has ingested are counted.
How many of Trojan Oil's wells are still active?
2 of Trojan Oil's catalogued wells are active; 7 are plugged & abandoned.
In which states does Trojan Oil operate wells?
Trojan Oil is the operator of record for wells in Illinois (10) and California (1).
Does Trojan Oil operate mostly oil or gas wells?
8 of Trojan Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Trojan Oil's deepest well?
Among wells with a published depth, Frohning, Carl 1 in Jasper, IL is the deepest at 3,312 ft.
Where Trojan Oil'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, “Trojan Oil — well portfolio”, https://wellcensus.com/operators/trojan-oil-18407 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).