Riddle Oil
Operator of record for 41 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Riddle Oil Co · Riddle Oil Company
At a glance
Riddle Oil is the operator of record for 41 catalogued U.S. oil & gas wells in 1 state. 9 (22%) are active, 27 (66%) plugged & abandoned. Its largest concentration is in Illinois, with 41 wells (100% of its portfolio).
Wells operated
41
Active
9
Plugged
27
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 41 |
Well mix
- Oil wells
- 35
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 22%
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Claim Riddle Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Riddle Oil operate?
Riddle Oil's catalogued wells are spread across 1 state: Illinois (41). Its 41 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 Riddle Oil’s wells are active, plugged or orphaned?
22% of Riddle Oil's catalogued wells are active, 7 percentage points below the national share of 29%. 66% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Riddle Oil operate?
By product class, 35 (85%) 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 Mann, A. W. 8 in Crawford, IL at 1,663 ft. The wells listed below sit in Crawford (IL) and Lawrence (IL). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Riddle Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mann, A. W. 8 | 12-033-08017 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 1,663 ft |
| Albin, D.D. 1 | 12-033-07192 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 1,008 ft |
| Albin 2 | 12-033-13456 | Other status | Other type | Crawford, IL | Riddle Oil Co | 1,005 ft |
| Mann, A. W. 9 | 12-033-08015 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 986 ft |
| Mann, A. W. 13 | 12-033-08484 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 968 ft |
| Cochran M 9 | 12-101-07307 | Plugged & abandoned | Oil | Lawrence, IL | Riddle Oil Co | 967 ft |
| Mann, A. W. 5 | 12-033-09452 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 965 ft |
| Marshall, Clara 4 | 12-033-07100 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 959 ft |
| Hicks, N.E. Hrs. 1 | 12-033-13492 | Active | Oil | Crawford, IL | Riddle Oil Co | 958 ft |
| Mann, A. W. 6 | 12-033-24735 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 955 ft |
| Mann, A. W. 3 | 12-033-08534 | Plugged & abandoned | Oil | Crawford, IL | Riddle Oil Co | 953 ft |
| Shoulders S 9 | 12-101-06990 | Plugged & abandoned | Oil | Lawrence, IL | Riddle Oil Co | 951 ft |
Deepest first where depth is published. See all 41 wells →
Frequently asked questions
How many wells does Riddle Oil operate?
Riddle Oil is the operator of record for 41 catalogued oil & gas wells, with the largest concentration in Illinois (41). Only wells in states WellCensus has ingested are counted.
How many of Riddle Oil's wells are still active?
9 of Riddle Oil's catalogued wells are active; 27 are plugged & abandoned.
In which states does Riddle Oil operate wells?
Riddle Oil is the operator of record for wells in Illinois (41).
Does Riddle Oil operate mostly oil or gas wells?
35 of Riddle Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Riddle Oil's deepest well?
Among wells with a published depth, Mann, A. W. 8 in Crawford, IL is the deepest at 1,663 ft.
Where Riddle 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, “Riddle Oil — well portfolio”, https://wellcensus.com/operators/riddle-oil-95771 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).