Demier Oil
Operator of record for 139 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: DEMIER OIL COMPANY · DeMier Oil Company
At a glance
Demier Oil is the operator of record for 139 catalogued U.S. oil & gas wells in 2 states. 31 (22%) are active, 102 (73%) plugged & abandoned. Its largest concentration is in Illinois, with 135 wells (97% of its portfolio).
Wells operated
139
Active
31
Plugged
102
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 135 |
| Oklahoma | 4 |
Well mix
- Oil wells
- 31
- Gas wells
- 26
- Shut-in
- 1
- Active share
- 22%
Is this your company?
Claim Demier Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Demier Oil operate?
Demier Oil's catalogued wells are spread across 2 states: Illinois (135) and Oklahoma (4). Its 135 Illinois wells are 0.1% 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 Demier Oil’s wells are active, plugged or orphaned?
22% of Demier Oil's catalogued wells are active, 7 percentage points below the national share of 29%. 73% are plugged & abandoned, against 47% nationally. 1 wells (0.7%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Demier Oil operate?
By product class, 31 (22%) are oil wells and 26 (19%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is USX - Akin 23-3 in Franklin, IL at 22,854 ft. The wells listed below sit in Franklin (IL), White (IL), Hamilton (IL) and Jefferson (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 Demier Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| USX - Akin 23-3 | 12-055-23940 | Plugged & abandoned | Other type | Franklin, IL | DeMier Oil Company | 22,854 ft |
| Wilcox-Whittington 2 | 12-055-23282 | Plugged & abandoned | Oil | Franklin, IL | DeMier Oil Company | 4,748 ft |
| Cook-Jones 1 | 12-055-23354 | Active | Oil | Franklin, IL | DeMier Oil Company | 4,730 ft |
| Cipher etal 1 | 12-055-23353 | Plugged & abandoned | Oil | Franklin, IL | DeMier Oil Company | 4,699 ft |
| Wilcox-Whittington 1 | 12-055-23275 | Active | Oil | Franklin, IL | DeMier Oil Company | 4,692 ft |
| Wilcox-Moore Comm. 1 | 12-055-23334 | Active | Oil | Franklin, IL | DeMier Oil Company | 4,665 ft |
| RLCD-Demier 1 | 12-055-23430 | Plugged & abandoned | Oil | Franklin, IL | DeMier Oil Company | 4,622 ft |
| Triple AAA Ranch 1 | 12-193-31811 | Plugged & abandoned | Other type | White, IL | DeMier Oil Company | 4,620 ft |
| Longview Farms, Inc. 1 | 12-065-25283 | Plugged & abandoned | Other type | Hamilton, IL | DeMier Oil Company | 4,450 ft |
| Irvin 1 | 12-081-24978 | Plugged & abandoned | Other type | Jefferson, IL | DeMier Oil Company | 4,375 ft |
| Swain-DeMier 1 | 12-065-24367 | Plugged & abandoned | Other type | Hamilton, IL | DeMier Oil Company | 4,370 ft |
| Sink, Earl Etal 1 | 12-055-23375 | Plugged & abandoned | Other type | Franklin, IL | DeMier Oil Company | 4,325 ft |
Deepest first where depth is published. See all 139 wells →
Frequently asked questions
How many wells does Demier Oil operate?
Demier Oil is the operator of record for 139 catalogued oil & gas wells, with the largest concentration in Illinois (135). Only wells in states WellCensus has ingested are counted.
How many of Demier Oil's wells are still active?
31 of Demier Oil's catalogued wells are active; 102 are plugged & abandoned.
In which states does Demier Oil operate wells?
Demier Oil is the operator of record for wells in Illinois (135) and Oklahoma (4).
Does Demier Oil operate mostly oil or gas wells?
31 of Demier Oil's catalogued wells are oil wells and 26 are gas wells; the rest are injection, service or unclassified wells.
What is Demier Oil's deepest well?
Among wells with a published depth, USX - Akin 23-3 in Franklin, IL is the deepest at 22,854 ft.
Where Demier 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, “Demier Oil — well portfolio”, https://wellcensus.com/operators/demier-oil-4999 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).