Western Oil
Operator of record for 34 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: WESTERN OIL COMPANY · Western Oil · Western Oil Co · Western Oil, Ltd.
At a glance
Western Oil is the operator of record for 34 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 26 (76%) are plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in Oklahoma, with 17 wells (50% of its portfolio).
Wells operated
34
Active
0
Plugged
26
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 17 |
| Illinois | 16 |
| Montana | 1 |
Well mix
- Oil wells
- 11
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Western Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Western Oil operate?
Western Oil's catalogued wells are spread across 3 states: Oklahoma (17), Illinois (16) and Montana (1). Its 16 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 Western Oil’s wells are active, plugged or orphaned?
0% of Western Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 76% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Western Oil operate?
By product class, 11 (32%) are oil wells and 5 (15%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Bills 1 in Pondera, MT at 3,410 ft. The wells listed below sit in Pondera (MT), Jasper (IL), Richland (IL), Wabash (IL), Edwards (IL) and Pike (IL). State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Western Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Bills 1 | 25-073-05349 | Plugged & abandoned | Other type | Pondera, MT | Western Oil | 3,410 ft |
| Trexler-Toland Unit 1 | 12-079-23553 | Plugged & abandoned | Other type | Jasper, IL | Western Oil, Ltd. | 3,120 ft |
| Elmore, Roscoe etal 1 | 12-079-00556 | Plugged & abandoned | Other type | Jasper, IL | Western Oil, Ltd. | 3,075 ft |
| Seibert Stanley 1 | 12-159-00388 | Plugged & abandoned | Other type | Richland, IL | Western Oil, Ltd. | 3,030 ft |
| Lemke 1 | 12-185-00292 | Plugged & abandoned | Other type | Wabash, IL | Western Oil, Ltd. | 3,017 ft |
| Haase Robert 1 | 12-185-26911 | Plugged & abandoned | Other type | Wabash, IL | Western Oil, Ltd. | 2,640 ft |
| Haase R 2 | 12-185-26918 | Plugged & abandoned | Other type | Wabash, IL | Western Oil, Ltd. | 2,605 ft |
| Parkinson 1-W.I. | 12-185-04274 | Plugged & abandoned | Injection | Wabash, IL | Western Oil, Ltd. | 2,577 ft |
| Frank Bierhaus/Twin 2 | 12-047-22389 | Plugged & abandoned | Oil | Edwards, IL | Western Oil, Ltd. | 2,442 ft |
| Carl Kent Comm 5 | 12-047-22390 | Plugged & abandoned | Other type | Edwards, IL | Western Oil, Ltd. | 2,435 ft |
| Seaborn R E 1 | 12-149-00040 | Plugged & abandoned | Other type | Pike, IL | Western Oil Co | 546 ft |
| Smith, W. 2 | 12-149-00074 | Other status | Gas | Pike, IL | Western Oil Co | 495 ft |
Deepest first where depth is published. See all 34 wells →
Frequently asked questions
How many wells does Western Oil operate?
Western Oil is the operator of record for 34 catalogued oil & gas wells, with the largest concentration in Oklahoma (17). Only wells in states WellCensus has ingested are counted.
How many of Western Oil's wells are still active?
0 of Western Oil's catalogued wells are active; 26 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Western Oil operate wells?
Western Oil is the operator of record for wells in Oklahoma (17), Illinois (16) and Montana (1).
Does Western Oil operate mostly oil or gas wells?
11 of Western Oil's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Western Oil's deepest well?
Among wells with a published depth, Bills 1 in Pondera, MT is the deepest at 3,410 ft.
Where Western 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, “Western Oil — well portfolio”, https://wellcensus.com/operators/western-oil-5936 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).