Major Oil
Operator of record for 43 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: MAJOR OIL · MAJOR OIL CO · MAJOR OIL COMPANY · MAJOR OIL CORP · …
At a glance
Major Oil is the operator of record for 43 catalogued U.S. oil & gas wells in 5 states. 24 (56%) are active, 13 (30%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Kentucky, with 34 wells (79% of its portfolio).
Wells operated
43
Active
24
Plugged
13
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 34 |
| Kansas | 5 |
| Michigan | 2 |
| California | 1 |
| Wyoming | 1 |
Well mix
- Oil wells
- 23
- Gas wells
- 3
- Shut-in
- 0
- Active share
- 56%
Is this your company?
Claim Major Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Major Oil operate?
Major Oil's catalogued wells are spread across 5 states: Kentucky (34), Kansas (5), Michigan (2), California (1) and Wyoming (1). Its 34 Kentucky wells are 0.0% of the 201,022 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 Major Oil’s wells are active, plugged or orphaned?
56% of Major Oil's catalogued wells are active, 27 percentage points above the national share of 29%. 30% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Major Oil operate?
By product class, 23 (53%) are oil wells and 3 (7%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Roebuck 1 in Chautauqua, KS at 2,375 ft. The wells listed below sit in Chautauqua (KS), Daviess (KY) and Henderson (KY). 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 Major Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Roebuck 1 | 15-019-24558 | Plugged & abandoned | Other type | Chautauqua, KS | Major Oil Co. | 2,375 ft |
| Morris, L E 1 | KGS record 2010904 | Plugged & abandoned | Other type | Daviess, KY | Major Oil Co | 2,053 ft |
| Wahl, Matilda 3 | KGS record 2011192 | Plugged & abandoned | Other type | Daviess, KY | Major Oil Co | 1,958 ft |
| Wahl, M 3 | KGS record 2011193 | Other status | Other type | Daviess, KY | Major Oil Co | 1,958 ft |
| Wahl, M 1 | KGS record 2010942 | Active | Oil | Daviess, KY | Major Oil Co | 1,930 ft |
| Coy-Smith 1 | KGS record 2010917 | Orphaned | Other type | Daviess, KY | Major Oil Co | 1,929 ft |
| West, George 1 | KGS record 2010948 | Active | Oil | Daviess, KY | Major Oil Co | 1,929 ft |
| Long, Carrie 2 | KGS record 2010933 | Active | Oil | Daviess, KY | Major Oil Co | 1,912 ft |
| Stramey, R T 1 | KGS record 2011172 | Active | Oil | Daviess, KY | Major Oil Co | 1,910 ft |
| Straney, R F 1 | KGS record 2011195 | Active | Oil | Henderson, KY | Major Oil Co | 1,910 ft |
| Nelson, H 1 | KGS record 2011163 | Active | Oil | Daviess, KY | Major Oil Co | 1,906 ft |
| Federal Reserve Bank 1 | KGS record 2010919 | Active | Oil | Daviess, KY | Major Oil Co | 1,904 ft |
Deepest first where depth is published. See all 43 wells →
Frequently asked questions
How many wells does Major Oil operate?
Major Oil is the operator of record for 43 catalogued oil & gas wells, with the largest concentration in Kentucky (34). Only wells in states WellCensus has ingested are counted.
How many of Major Oil's wells are still active?
24 of Major Oil's catalogued wells are active; 13 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Major Oil operate wells?
Major Oil is the operator of record for wells in Kentucky (34), Kansas (5), Michigan (2), California (1) and Wyoming (1).
Does Major Oil operate mostly oil or gas wells?
23 of Major Oil's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.
What is Major Oil's deepest well?
Among wells with a published depth, Roebuck 1 in Chautauqua, KS is the deepest at 2,375 ft.
Where Major Oil's wells are
- Oil & gas wells in Kentucky· 34 operated by Major Oil
- Oil & gas wells in Kansas· 5 operated by Major Oil
- Oil & gas wells in Michigan· 2 operated by Major Oil
- Oil & gas wells in California· 1 operated by Major Oil
- Oil & gas wells in Wyoming· 1 operated by Major 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, “Major Oil — well portfolio”, https://wellcensus.com/operators/major-oil-32696 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).