Dec Oil & Gas
Operator of record for 8 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Dec Oil & Gas is the operator of record for 8 catalogued U.S. oil & gas wells in 1 state. 1 (13%) are active, 7 (88%) plugged & abandoned. Its largest concentration is in Illinois, with 8 wells (100% of its portfolio).
Wells operated
8
Active
1
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 8 |
Well mix
- Oil wells
- 0
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 13%
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Claim Dec Oil & Gas to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dec Oil & Gas operate?
Dec Oil & Gas's catalogued wells are spread across 1 state: Illinois (8). Its 8 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 Dec Oil & Gas’s wells are active, plugged or orphaned?
13% of Dec Oil & Gas's catalogued wells are active, 16 percentage points below the national share of 29%. 88% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dec Oil & Gas operate?
By product class, 0 (0%) are oil wells and 5 (63%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Slighton, Thomas 2 in Macoupin, IL at 620 ft.
Notable wells operated by Dec Oil & Gas
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Slighton, Thomas 2 | 12-117-22577 | Active | Gas | Macoupin, IL | DEC Oil & Gas Co. | 620 ft |
| Blackburn University 1 | 12-117-22792 | Plugged & abandoned | Other type | Macoupin, IL | DEC Oil & Gas Co. | 550 ft |
| Schroeder 1 | 12-117-23243 | Plugged & abandoned | Other type | Macoupin, IL | DEC Oil & Gas Co. | 424 ft |
| Curtis-Schroeder, 1 | 12-117-23332 | Plugged & abandoned | Other type | Macoupin, IL | DEC Oil & Gas Co. | 394 ft |
| Rhodes 1-A | 12-117-24012 | Plugged & abandoned | Gas | Macoupin, IL | DEC Oil & Gas Co. | 354 ft |
| Rhodes, Albert 1 | 12-117-22730 | Plugged & abandoned | Gas | Macoupin, IL | DEC Oil & Gas Co. | 351 ft |
| Rhodes, Albert Comm. 4 | 12-117-22814 | Plugged & abandoned | Gas | Macoupin, IL | DEC Oil & Gas Co. | 345 ft |
| Rhodes, Albert 3 | 12-117-22806 | Plugged & abandoned | Gas | Macoupin, IL | DEC Oil & Gas Co. | 345 ft |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Dec Oil & Gas operate?
Dec Oil & Gas is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Illinois (8). Only wells in states WellCensus has ingested are counted.
How many of Dec Oil & Gas's wells are still active?
1 of Dec Oil & Gas's catalogued wells are active; 7 are plugged & abandoned.
In which states does Dec Oil & Gas operate wells?
Dec Oil & Gas is the operator of record for wells in Illinois (8).
Does Dec Oil & Gas operate mostly oil or gas wells?
0 of Dec Oil & Gas's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Dec Oil & Gas's deepest well?
Among wells with a published depth, Slighton, Thomas 2 in Macoupin, IL is the deepest at 620 ft.
Where Dec Oil & Gas'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, “Dec Oil & Gas — well portfolio”, https://wellcensus.com/operators/dec-oil-gas-105482 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).