Cahaba Oil
Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cahaba Oil is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 10 (91%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 11 wells (100% of its portfolio).
Wells operated
11
Active
0
Plugged
10
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 11 |
Well mix
- Oil wells
- 5
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Cahaba Oil operate?
Cahaba Oil'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 Cahaba Oil’s wells are active, plugged or orphaned?
0% of Cahaba Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 91% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Cahaba Oil operate?
By product class, 5 (45%) are oil wells and 1 (9%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Hillyard 1 in Hamilton, IL at 5,462 ft. The wells listed below sit in Hamilton (IL), Jefferson (IL), Saline (IL), Clay (IL) and Christian (IL).
Notable wells operated by Cahaba Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hillyard 1 | 12-065-01363 | Plugged & abandoned | Other type | Hamilton, IL | Cahaba Oil Co. | 5,462 ft |
| Seymour Heirs 1 | 12-081-01709 | Plugged & abandoned | Other type | Jefferson, IL | Cahaba Oil Co. | 3,045 ft |
| Bramlet, Harry A. 1 | 12-165-02664 | Plugged & abandoned | Other type | Saline, IL | Cahaba Oil Co. | 2,978 ft |
| Adams Unit 1-A | 12-165-03359 | Plugged & abandoned | Oil | Saline, IL | Cahaba Oil Co. | 2,955 ft |
| Hurley Oscar T 1 | 12-165-03425 | Plugged & abandoned | Other type | Saline, IL | Cahaba Oil Co. | 2,951 ft |
| Rice, Clyde 1 | 12-165-03341 | Plugged & abandoned | Oil | Saline, IL | Cahaba Oil Co. | 2,909 ft |
| Thomann, Frank 1 | 12-025-01546 | Plugged & abandoned | Other type | Clay, IL | Cahaba Oil Co. | 2,697 ft |
| Kleffer 1 | 12-165-03202 | Plugged & abandoned | Oil | Saline, IL | Cahaba Oil Co. | 2,330 ft |
| Hobbs 1-A | 12-021-02025 | Plugged & abandoned | Oil | Christian, IL | Cahaba Oil Co. | 1,931 ft |
| Hobbs 2-A | 12-021-02030 | Plugged & abandoned | Oil | Christian, IL | Cahaba Oil Co. | 1,918 ft |
| Adams Unit 1 | 12-165-03411 | Orphaned | Gas | Saline, IL | Cahaba Oil Co. | 450 ft |
Deepest first where depth is published. See all 11 wells →
Frequently asked questions
How many wells does Cahaba Oil operate?
Cahaba Oil 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 Cahaba Oil's wells are still active?
0 of Cahaba Oil's catalogued wells are active; 10 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Cahaba Oil operate wells?
Cahaba Oil is the operator of record for wells in Illinois (11).
Does Cahaba Oil operate mostly oil or gas wells?
5 of Cahaba Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Cahaba Oil's deepest well?
Among wells with a published depth, Hillyard 1 in Hamilton, IL is the deepest at 5,462 ft.
Where Cahaba 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, “Cahaba Oil — well portfolio”, https://wellcensus.com/operators/cahaba-oil-67024 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).