Longhorn Oil
Operator of record for 45 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Longhorn Oil is the operator of record for 45 catalogued U.S. oil & gas wells in 1 state. 10 (22%) are active, 34 (76%) plugged & abandoned. Its largest concentration is in Illinois, with 45 wells (100% of its portfolio).
Wells operated
45
Active
10
Plugged
34
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 45 |
Well mix
- Oil wells
- 34
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 22%
Is this your company?
Claim Longhorn Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Longhorn Oil operate?
Longhorn Oil's catalogued wells are spread across 1 state: Illinois (45). Its 45 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 Longhorn Oil’s wells are active, plugged or orphaned?
22% of Longhorn Oil's catalogued wells are active, 7 percentage points below the national share of 29%. 76% are plugged & abandoned, against 47% nationally. 1 wells (2%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Longhorn Oil operate?
By product class, 34 (76%) 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 Ahlfield L D 1 in Richland, IL at 3,198 ft. The wells listed below sit in Richland (IL), Edwards (IL), Wabash (IL) and Jefferson (IL).
Notable wells operated by Longhorn Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ahlfield L D 1 | 12-159-00029 | Plugged & abandoned | Other type | Richland, IL | Longhorn Oil Corporation | 3,198 ft |
| Kraft Mary 1 | 12-047-01722 | Plugged & abandoned | Other type | Edwards, IL | Longhorn Oil Corporation | 3,175 ft |
| Eastwood B 1 | 12-185-00288 | Plugged & abandoned | Other type | Wabash, IL | Longhorn Oil Corporation | 3,065 ft |
| Severs | 12-081-00433 | Plugged & abandoned | Other type | Jefferson, IL | Longhorn Oil Corporation | 3,061 ft |
| Helm, Mrs. J. M. 1 | 12-185-00287 | Plugged & abandoned | Other type | Wabash, IL | Longhorn Oil Corporation | 3,058 ft |
| Helm Edith B A-28 | 12-185-01174 | Shut-in | Other type | Wabash, IL | Longhorn Oil Corporation | 3,000 ft |
| Helm Edith B A -36 | 12-185-01179 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,968 ft |
| Helm, Edith B. A-31 | 12-185-01202 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,950 ft |
| Helm, Edith B. A-33 | 12-185-00291 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,945 ft |
| Helm Edith B A-37 | 12-185-01180 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,919 ft |
| Helm Edith B 7A | 12-185-00290 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,904 ft |
| Heil, Mary 5 | 12-185-00282 | Plugged & abandoned | Oil | Wabash, IL | Longhorn Oil Corporation | 2,897 ft |
Deepest first where depth is published. See all 45 wells →
Frequently asked questions
How many wells does Longhorn Oil operate?
Longhorn Oil is the operator of record for 45 catalogued oil & gas wells, with the largest concentration in Illinois (45). Only wells in states WellCensus has ingested are counted.
How many of Longhorn Oil's wells are still active?
10 of Longhorn Oil's catalogued wells are active; 34 are plugged & abandoned.
In which states does Longhorn Oil operate wells?
Longhorn Oil is the operator of record for wells in Illinois (45).
Does Longhorn Oil operate mostly oil or gas wells?
34 of Longhorn Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Longhorn Oil's deepest well?
Among wells with a published depth, Ahlfield L D 1 in Richland, IL is the deepest at 3,198 ft.
Where Longhorn 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, “Longhorn Oil — well portfolio”, https://wellcensus.com/operators/longhorn-oil-97630 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).