Larsen Arthur
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Larsen Arthur is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. 1 (9%) are active, 10 (91%) plugged & abandoned. Its largest concentration is in Illinois, with 11 wells (100% of its portfolio).
Wells operated
11
Active
1
Plugged
10
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 11 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 9%
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Claim your operator profileWhere does Larsen Arthur operate?
Larsen Arthur'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 Larsen Arthur’s wells are active, plugged or orphaned?
9% of Larsen Arthur's catalogued wells are active, 20 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 Larsen Arthur operate?
By product class, 2 (18%) 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 Blackburn et al 1 in Montgomery, IL at 2,363 ft. The wells listed below sit in Montgomery (IL), Fayette (IL), Douglas (IL), Sangamon (IL), Effingham (IL) and Perry (IL).
Notable wells operated by Larsen Arthur
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Blackburn et al 1 | 12-135-00336 | Plugged & abandoned | Other type | Montgomery, IL | Larsen, Arthur | 2,363 ft |
| Fulks, Maud 1 | 12-051-01545 | Plugged & abandoned | Other type | Fayette, IL | Larsen, Arthur | 1,891 ft |
| Brehm 1 | 12-041-00208 | Plugged & abandoned | Other type | Douglas, IL | Larsen, Arthur | 1,849 ft |
| Lawler, Thomas F. 1 | 12-167-00584 | Plugged & abandoned | Other type | Sangamon, IL | Larsen, Arthur | 1,735 ft |
| Montgomery-Yoder Comm. 1 | 12-041-00111 | Plugged & abandoned | Oil | Douglas, IL | Larsen, Arthur | 1,691 ft |
| Montgomery-Yoder Community 2 | 12-041-00200 | Plugged & abandoned | Oil | Douglas, IL | Larsen, Arthur | 1,681 ft |
| Yoder, C. J. F-3 | 12-041-00546 | Active | Injection | Douglas, IL | Larsen, Arthur | 1,663 ft |
| Woolverton 1 | 12-041-00130 | Plugged & abandoned | Other type | Douglas, IL | Larsen, Arthur | 1,648 ft |
| Dannenberger, M. 1 | 12-167-00678 | Plugged & abandoned | Other type | Sangamon, IL | Larsen, Arthur | 1,617 ft |
| Johnston 1 | 12-049-00651 | Plugged & abandoned | Other type | Effingham, IL | Larsen, Arthur | 1,588 ft |
| Wiepiewski Leo 1 | 12-145-02716 | Plugged & abandoned | Other type | Perry, IL | Larsen, Arthur | 1,191 ft |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Larsen Arthur operate?
Larsen Arthur 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 Larsen Arthur's wells are still active?
1 of Larsen Arthur's catalogued wells are active; 10 are plugged & abandoned.
In which states does Larsen Arthur operate wells?
Larsen Arthur is the operator of record for wells in Illinois (11).
Does Larsen Arthur operate mostly oil or gas wells?
2 of Larsen Arthur's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Larsen Arthur's deepest well?
Among wells with a published depth, Blackburn et al 1 in Montgomery, IL is the deepest at 2,363 ft.
Where Larsen Arthur'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, “Larsen Arthur — well portfolio”, https://wellcensus.com/operators/larsen-arthur-97173 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).