Delta Oil
Operator of record for 256 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: DELTA OIL CO INC · DELTA OIL COMPANY INC · DELTA OIL CORP · DELTA OIL CORPORATION · …
At a glance
Delta Oil is the operator of record for 256 catalogued U.S. oil & gas wells in 5 states. 23 (9%) are active, 110 (43%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Michigan, with 212 wells (83% of its portfolio).
Wells operated
256
Active
23
Plugged
110
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 212 |
| Illinois | 39 |
| Kentucky | 3 |
| Louisiana | 1 |
| Oklahoma | 1 |
Well mix
- Oil wells
- 27
- Gas wells
- 1
- Shut-in
- 1
- Active share
- 9%
Is this your company?
Claim Delta Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Delta Oil operate?
Delta Oil's catalogued wells are spread across 5 states: Michigan (212), Illinois (39), Kentucky (3), Louisiana (1) and Oklahoma (1). Its 212 Michigan wells are 0.2% of the 85,673 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 Delta Oil’s wells are active, plugged or orphaned?
9% of Delta Oil's catalogued wells are active, 20 percentage points below the national share of 29%. 43% are plugged & abandoned, against 47% nationally. 1 wells (0.4%) are shut-in — unplugged but idle. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Delta Oil operate?
By product class, 27 (11%) are oil wells and 1 (0.4%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is State Dover & House 1-33a Hd1 in Otsego, MI at 6,817 ft. The wells listed below sit in Otsego (MI), Kalkaska (MI), Grand Traverse (MI), Wexford (MI) and Manistee (MI). State filings spell the name 5 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Delta Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| State Dover & House 1-33a Hd1 | 21-137-34215 | Other status | Other type | Otsego, MI | Delta Oil Co Inc | 6,817 ft |
| State Boardman & Tope 1-6 | 21-079-30735 | Other status | Other type | Kalkaska, MI | Delta Oil Co Inc | 6,815 ft |
| Jordon, Henley E 1-3 | 21-055-32860 | Other status | Other type | Grand Traverse, MI | Delta Oil Co Inc | 6,810 ft |
| Conroy, John J 1-4 | 21-055-32868 | Other status | Other type | Grand Traverse, MI | Delta Oil Co Inc | 6,775 ft |
| Pewinski & Turner 1-19 | 21-137-28442 | Other status | Other type | Otsego, MI | Delta Oil Co Inc | 6,395 ft |
| Walters 1-4 | 21-165-37171 | Plugged & abandoned | Other type | Wexford, MI | Delta Oil Co Inc | 6,235 ft |
| Wiegandt, Norman A 2-11 | 21-137-33506 | Other status | Other type | Otsego, MI | Delta Oil Co Inc | 6,190 ft |
| Larsen 1-2 | 21-101-34445 | Other status | Other type | Manistee, MI | Delta Oil Co Inc | 6,055 ft |
| Walter, Edward And Marvin 1-1 | 21-101-34101 | Plugged & abandoned | Other type | Manistee, MI | Delta Oil Co Inc | 6,030 ft |
| Walters & State Grant 1-30 | 21-055-35210 | Plugged & abandoned | Other type | Grand Traverse, MI | Delta Oil Co Inc | 5,970 ft |
| Larsen 1-34 | 21-101-34444 | Other status | Other type | Manistee, MI | Delta Oil Co Inc | 5,959 ft |
| Walter, M. 2-23 | 21-101-39455 | Plugged & abandoned | Other type | Manistee, MI | Delta Oil Co Inc | 5,950 ft |
Deepest first where depth is published. See all 256 wells →
Frequently asked questions
How many wells does Delta Oil operate?
Delta Oil is the operator of record for 256 catalogued oil & gas wells, with the largest concentration in Michigan (212). Only wells in states WellCensus has ingested are counted.
How many of Delta Oil's wells are still active?
23 of Delta Oil's catalogued wells are active; 110 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Delta Oil operate wells?
Delta Oil is the operator of record for wells in Michigan (212), Illinois (39), Kentucky (3), Louisiana (1) and Oklahoma (1).
Does Delta Oil operate mostly oil or gas wells?
27 of Delta Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Delta Oil's deepest well?
Among wells with a published depth, State Dover & House 1-33a Hd1 in Otsego, MI is the deepest at 6,817 ft.
Where Delta Oil's wells are
- Oil & gas wells in Michigan· 212 operated by Delta Oil
- Oil & gas wells in Illinois· 39 operated by Delta Oil
- Oil & gas wells in Kentucky· 3 operated by Delta Oil
- Oil & gas wells in Louisiana· 1 operated by Delta Oil
- Oil & gas wells in Oklahoma· 1 operated by Delta Oil
- Largest U.S. well operators
- All well operators
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, “Delta Oil — well portfolio”, https://wellcensus.com/operators/delta-oil-15078 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).