National Petroleum
Operator of record for 133 catalogued wells across 7 states. Every well below links to its full registry page.
Filed as: NATIONAL PETROLEUM · NATIONAL PETROLEUM CO · NATIONAL PETROLEUM CORP · NATIONAL PETROLEUM INC · …
At a glance
National Petroleum is the operator of record for 133 catalogued U.S. oil & gas wells in 7 states. 2 (2%) are active, 43 (32%) plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Ohio, with 92 wells (69% of its portfolio).
Wells operated
133
Active
2
Plugged
43
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 92 |
| Illinois | 24 |
| Colorado | 8 |
| West Virginia | 4 |
| Kentucky | 2 |
| Michigan | 2 |
| North Dakota | 1 |
Well mix
- Oil wells
- 104
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 2%
Is this your company?
Claim National Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does National Petroleum operate?
National Petroleum's catalogued wells are spread across 7 states: Ohio (92), Illinois (24), Colorado (8), West Virginia (4) and Kentucky (2) and 2 more. Its 92 Ohio wells are 0.0% of the 242,052 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 National Petroleum’s wells are active, plugged or orphaned?
2% of National Petroleum's catalogued wells are active, 27 percentage points below the national share of 29%. 32% are plugged & abandoned, against 47% nationally. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does National Petroleum operate?
By product class, 104 (78%) 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 2 Johnson in Weld, CO at 6,514 ft. The wells listed below sit in Weld (CO), Adams (CO), Logan (CO), Washington (CO), Renville (ND) and Hamilton (IL) and other counties. State filings spell the name 6 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by National Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 2 Johnson | 05-123-13059 | Plugged & abandoned | Other type | Weld, CO | National Petroleum Inc | 6,514 ft |
| 1 Mayfield | 05-123-13013 | Plugged & abandoned | Other type | Weld, CO | National Petroleum Inc | 6,487 ft |
| 2 National | 05-001-08534 | Plugged & abandoned | Other type | Adams, CO | National Petroleum Inc | 6,300 ft |
| 1 National | 05-001-08455 | Plugged & abandoned | Oil | Adams, CO | National Petroleum Inc | 6,260 ft |
| 1 Mcendaffer | 05-075-08311 | Plugged & abandoned | Other type | Logan, CO | National Petroleum Inc | 5,336 ft |
| 1 Wright | 05-121-08510 | Plugged & abandoned | Other type | Washington, CO | National Petroleum Inc | 4,860 ft |
| 1 Drum | 05-121-08469 | Plugged & abandoned | Other type | Washington, CO | National Petroleum Inc | 4,830 ft |
| National Brown N Colquhoun 1a | 33-075-01033 | Plugged & abandoned | Oil | Renville, ND | National Petroleum, Inc. | 4,625 ft |
| Stephens 1 | 12-065-24025 | Orphaned | Other type | Hamilton, IL | National Petroleum Corp. | 4,500 ft |
| Wild 1 | 21-073-01820 | Other status | Other type | Isabella, MI | National Petroleum Corp | 3,872 ft |
| Hamilton John & Irene 1 | 34-007-20507 | Plugged & abandoned | Oil | Ashtabula, OH | National Petroleum Corp | 3,708 ft |
| Allen Rachel A 2 | 34-007-20724 | Plugged & abandoned | Oil | Ashtabula, OH | National Petroleum Corp | 3,700 ft |
Deepest first where depth is published. See all 133 wells →
Frequently asked questions
How many wells does National Petroleum operate?
National Petroleum is the operator of record for 133 catalogued oil & gas wells, with the largest concentration in Ohio (92). Only wells in states WellCensus has ingested are counted.
How many of National Petroleum's wells are still active?
2 of National Petroleum's catalogued wells are active; 43 are plugged & abandoned and 2 are flagged as orphaned.
In which states does National Petroleum operate wells?
National Petroleum is the operator of record for wells in Ohio (92), Illinois (24), Colorado (8), West Virginia (4), Kentucky (2), Michigan (2) and North Dakota (1).
Does National Petroleum operate mostly oil or gas wells?
104 of National Petroleum's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is National Petroleum's deepest well?
Among wells with a published depth, 2 Johnson in Weld, CO is the deepest at 6,514 ft.
Where National Petroleum's wells are
- Oil & gas wells in Ohio· 92 operated by National Petroleum
- Oil & gas wells in Illinois· 24 operated by National Petroleum
- Oil & gas wells in Colorado· 8 operated by National Petroleum
- Oil & gas wells in West Virginia· 4 operated by National Petroleum
- Oil & gas wells in Kentucky· 2 operated by National Petroleum
- Oil & gas wells in Michigan· 2 operated by National Petroleum
- 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, “National Petroleum — well portfolio”, https://wellcensus.com/operators/national-petroleum-3265 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).