Ambassador Oil
Operator of record for 165 catalogued wells across 7 states. Every well below links to its full registry page.
Filed as: AMBASSADOR OIL · AMBASSADOR OIL CORP · AMBASSADOR OIL CORPORATION · Ambassador Oil · …
At a glance
Ambassador Oil is the operator of record for 165 catalogued U.S. oil & gas wells in 7 states. None is listed as active, 151 (92%) are plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Oklahoma, with 118 wells (72% of its portfolio).
Wells operated
165
Active
0
Plugged
151
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 118 |
| Colorado | 21 |
| Wyoming | 10 |
| Michigan | 8 |
| Arkansas | 5 |
| California | 2 |
| Montana | 1 |
Well mix
- Oil wells
- 35
- Gas wells
- 15
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Ambassador Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Ambassador Oil operate?
Ambassador Oil's catalogued wells are spread across 7 states: Oklahoma (118), Colorado (21), Wyoming (10), Michigan (8) and Arkansas (5) and 2 more. Its 118 Oklahoma wells are 0.0% of the 456,595 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 Ambassador Oil’s wells are active, plugged or orphaned?
0% of Ambassador Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 92% 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 Ambassador Oil operate?
By product class, 35 (21%) are oil wells and 15 (9%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Federal D-4 in Campbell, WY at 10,509 ft. The wells listed below sit in Campbell (WY), Phillips (AR), Logan (AR), Powder River (MT), Moffat (CO) and Sebastian (AR) 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 Ambassador Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Federal D-4 | 49-005-05006 | Plugged & abandoned | Oil | Campbell, WY | Ambassador Oil | 10,509 ft |
| State 64-4850 1 | 49-005-05050 | Plugged & abandoned | Oil | Campbell, WY | Ambassador Oil | 10,410 ft |
| State 1 | 49-005-05049 | Plugged & abandoned | Oil | Campbell, WY | Ambassador Oil | 10,410 ft |
| Thompson Unit 1 | 03-107-00003 | Plugged & abandoned | Oil | Phillips, AR | Ambassador Oil Corp | 9,295 ft |
| Parker-Ritchie 1 | 03-083-00011 | Plugged & abandoned | Gas | Logan, AR | Ambassador Oil Corp | 8,945 ft |
| Federal 1 | 25-075-05022 | Plugged & abandoned | Other type | Powder River, MT | Ambassador Oil | 8,917 ft |
| 1 Nipple Wash Unit-State | 05-081-05419 | Plugged & abandoned | Other type | Moffat, CO | Ambassador Oil Corp | 8,850 ft |
| Tucker Unit 1 | 03-131-00028 | Plugged & abandoned | Gas | Sebastian, AR | Ambassador Oil Corp | 7,238 ft |
| 1 Klinginsmith | 05-123-05897 | Plugged & abandoned | Other type | Weld, CO | Ambassador Oil Corp | 7,120 ft |
| Govt-Tipton 1 | 49-019-06116 | Plugged & abandoned | Oil | Johnson, WY | Ambassador Oil | 6,904 ft |
| Govt G-1 | 49-019-06113 | Plugged & abandoned | Oil | Johnson, WY | Ambassador Oil | 6,800 ft |
| Otis Walker 1 | 49-019-06117 | Plugged & abandoned | Oil | Johnson, WY | Ambassador Oil | 6,722 ft |
Deepest first where depth is published. See all 165 wells →
Frequently asked questions
How many wells does Ambassador Oil operate?
Ambassador Oil is the operator of record for 165 catalogued oil & gas wells, with the largest concentration in Oklahoma (118). Only wells in states WellCensus has ingested are counted.
How many of Ambassador Oil's wells are still active?
0 of Ambassador Oil's catalogued wells are active; 151 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Ambassador Oil operate wells?
Ambassador Oil is the operator of record for wells in Oklahoma (118), Colorado (21), Wyoming (10), Michigan (8), Arkansas (5), California (2) and Montana (1).
Does Ambassador Oil operate mostly oil or gas wells?
35 of Ambassador Oil's catalogued wells are oil wells and 15 are gas wells; the rest are injection, service or unclassified wells.
What is Ambassador Oil's deepest well?
Among wells with a published depth, Federal D-4 in Campbell, WY is the deepest at 10,509 ft.
Where Ambassador Oil's wells are
- Oil & gas wells in Oklahoma· 118 operated by Ambassador Oil
- Oil & gas wells in Colorado· 21 operated by Ambassador Oil
- Oil & gas wells in Wyoming· 10 operated by Ambassador Oil
- Oil & gas wells in Michigan· 8 operated by Ambassador Oil
- Oil & gas wells in Arkansas· 5 operated by Ambassador Oil
- Oil & gas wells in California· 2 operated by Ambassador 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, “Ambassador Oil — well portfolio”, https://wellcensus.com/operators/ambassador-oil-42 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).