Dee Drilling
Operator of record for 343 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: DEE DRILLING CO · DEE DRILLING COMPANY · Dee Drilling Co. · Dee Drilling Co., Inc.
At a glance
Dee Drilling is the operator of record for 343 catalogued U.S. oil & gas wells in 3 states. 148 (43%) are active, 131 (38%) plugged & abandoned. Its largest concentration is in Illinois, with 319 wells (93% of its portfolio).
Wells operated
343
Active
148
Plugged
131
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 319 |
| Kentucky | 23 |
| Michigan | 1 |
Well mix
- Oil wells
- 146
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 43%
Is this your company?
Claim Dee Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dee Drilling operate?
Dee Drilling's catalogued wells are spread across 3 states: Illinois (319), Kentucky (23) and Michigan (1). Its 319 Illinois wells are 0.2% 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 Dee Drilling’s wells are active, plugged or orphaned?
43% of Dee Drilling's catalogued wells are active, 14 percentage points above the national share of 29%. 38% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dee Drilling operate?
By product class, 146 (43%) 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 Elliott, Ivan 4-WI in White, IL at 4,307 ft. The wells listed below sit in White (IL), Wayne (IL), Edwards (IL), Gallatin (IL), Hillsdale (MI) and Wabash (IL) and other counties. State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Dee Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Elliott, Ivan 4-WI | 12-193-30588 | Active | Injection | White, IL | Dee Drilling Co., Inc. | 4,307 ft |
| Seifert, Howard 5 | 12-191-32664 | Active | Oil | Wayne, IL | Dee Drilling Co., Inc. | 4,303 ft |
| Swabsu 13a | 12-047-24462 | Plugged & abandoned | Other type | Edwards, IL | Dee Drilling Co., Inc. | 4,110 ft |
| Woodham Comm. A-2 | 12-193-06995 | Active | Oil | White, IL | Dee Drilling Co., Inc. | 3,990 ft |
| Maloney, Richard 15 | 12-059-25257 | Active | Oil | Gallatin, IL | Dee Drilling Co., Inc. | 3,950 ft |
| Theobold etal 1 | 12-191-33160 | Other status | Other type | Wayne, IL | Dee Drilling Co., Inc. | 3,935 ft |
| Domack 1 | 21-059-20773 | Other status | Other type | Hillsdale, MI | Dee Drilling Co | 3,925 ft |
| Pollard 1 | 12-047-23431 | Active | Injection | Edwards, IL | Dee Drilling Co., Inc. | 3,840 ft |
| Jones 2 | 12-185-28795 | Active | Oil | Wabash, IL | Dee Drilling Co., Inc. | 3,820 ft |
| Cowling, Lee 1-WI | 12-047-22530 | Plugged & abandoned | Injection | Edwards, IL | Dee Drilling Co., Inc. | 3,770 ft |
| Berry, Monty 1 | 12-159-26461 | Active | Oil | Richland, IL | Dee Drilling Co., Inc. | 3,741 ft |
| Stover et al 1 | 12-185-28851 | Plugged & abandoned | Other type | Wabash, IL | Dee Drilling Co., Inc. | 3,740 ft |
Deepest first where depth is published. See all 343 wells →
Frequently asked questions
How many wells does Dee Drilling operate?
Dee Drilling is the operator of record for 343 catalogued oil & gas wells, with the largest concentration in Illinois (319). Only wells in states WellCensus has ingested are counted.
How many of Dee Drilling's wells are still active?
148 of Dee Drilling's catalogued wells are active; 131 are plugged & abandoned.
In which states does Dee Drilling operate wells?
Dee Drilling is the operator of record for wells in Illinois (319), Kentucky (23) and Michigan (1).
Does Dee Drilling operate mostly oil or gas wells?
146 of Dee Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dee Drilling's deepest well?
Among wells with a published depth, Elliott, Ivan 4-WI in White, IL is the deepest at 4,307 ft.
Where Dee Drilling'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, “Dee Drilling — well portfolio”, https://wellcensus.com/operators/dee-drilling-66470 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).