Troop & Larsen
Operator of record for 7 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Troop & Larsen is the operator of record for 7 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 7 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 7 wells (100% of its portfolio).
Wells operated
7
Active
0
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 7 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Troop & Larsen to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Troop & Larsen operate?
Troop & Larsen's catalogued wells are spread across 1 state: Illinois (7). Its 7 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 Troop & Larsen’s wells are active, plugged or orphaned?
0% of Troop & Larsen's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Troop & Larsen operate?
By product class, 1 (14%) 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 Whitten, Norval 1 in Fayette, IL at 2,781 ft. The wells listed below sit in Fayette (IL), Montgomery (IL), Marion (IL) and Bond (IL).
Notable wells operated by Troop & Larsen
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Whitten, Norval 1 | 12-051-01136 | Plugged & abandoned | Other type | Fayette, IL | Troop & Larsen | 2,781 ft |
| Roe, Henry 1 | 12-135-00352 | Plugged & abandoned | Other type | Montgomery, IL | Troop & Larsen | 2,388 ft |
| Chumley Comm., Hugh 1 | 12-135-00349 | Plugged & abandoned | Other type | Montgomery, IL | Troop & Larsen | 2,380 ft |
| Whitten, Joe 1 | 12-135-00346 | Plugged & abandoned | Other type | Montgomery, IL | Troop & Larsen | 2,373 ft |
| Vogt 1 | 12-121-01585 | Plugged & abandoned | Other type | Marion, IL | Troop & Larsen | 2,340 ft |
| Hartman Community 1-A | 12-005-00394 | Plugged & abandoned | Oil | Bond, IL | Troop & Larsen | 2,268 ft |
| Isaac, Maggie 1 | 12-135-00351 | Plugged & abandoned | Other type | Montgomery, IL | Troop & Larsen | 2,160 ft |
Deepest first where depth is published. See all 7 wells →
Frequently asked questions
How many wells does Troop & Larsen operate?
Troop & Larsen is the operator of record for 7 catalogued oil & gas wells, with the largest concentration in Illinois (7). Only wells in states WellCensus has ingested are counted.
How many of Troop & Larsen's wells are still active?
0 of Troop & Larsen's catalogued wells are active; 7 are plugged & abandoned.
In which states does Troop & Larsen operate wells?
Troop & Larsen is the operator of record for wells in Illinois (7).
Does Troop & Larsen operate mostly oil or gas wells?
1 of Troop & Larsen's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Troop & Larsen's deepest well?
Among wells with a published depth, Whitten, Norval 1 in Fayette, IL is the deepest at 2,781 ft.
Where Troop & Larsen'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, “Troop & Larsen — well portfolio”, https://wellcensus.com/operators/troop-larsen-91212 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).