Dominion Oil
Operator of record for 5 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: Dominion Oil Co. · Dominion Oil Co., Limited
At a glance
Dominion Oil is the operator of record for 5 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 5 (100%) are plugged & abandoned. Its largest concentration is in California, with 3 wells (60% of its portfolio).
Wells operated
5
Active
0
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 3 |
| Montana | 2 |
Well mix
- Oil wells
- 1
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Dominion Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dominion Oil operate?
Dominion Oil's catalogued wells are spread across 2 states: California (3) and Montana (2). Its 2 Montana wells are 0.0% of the 42,011 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 Dominion Oil’s wells are active, plugged or orphaned?
0% of Dominion Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Dominion Oil operate?
By product class, 1 (20%) 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 Byrne 1 (=) in Toole, MT at 1,528 ft. The wells listed below sit in Toole (MT), Kern (CA), Kings (CA) and Los Angeles (CA). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Dominion Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Byrne 1 (=) | 25-101-11624 | Plugged & abandoned | Other type | Toole, MT | Dominion Oil Co., Limited | 1,528 ft |
| Byrne 2 (=) | 25-101-11625 | Plugged & abandoned | Other type | Toole, MT | Dominion Oil Co., Limited | 1,505 ft |
| Lease by Dominion Oil Co. 1 | 04-029-36416 | Plugged & abandoned | Other type | Kern, CA | Dominion Oil Co. | — |
| Lease by Dominion Oil Co. 1 | 04-031-00684 | Plugged & abandoned | Other type | Kings, CA | Dominion Oil Co. | — |
| Athens 1 | 04-037-13587 | Plugged & abandoned | Oil | Los Angeles, CA | Dominion Oil Co. | — |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Dominion Oil operate?
Dominion Oil is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in California (3). Only wells in states WellCensus has ingested are counted.
How many of Dominion Oil's wells are still active?
0 of Dominion Oil's catalogued wells are active; 5 are plugged & abandoned.
In which states does Dominion Oil operate wells?
Dominion Oil is the operator of record for wells in California (3) and Montana (2).
Does Dominion Oil operate mostly oil or gas wells?
1 of Dominion Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dominion Oil's deepest well?
Among wells with a published depth, Byrne 1 (=) in Toole, MT is the deepest at 1,528 ft.
Where Dominion Oil'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, “Dominion Oil — well portfolio”, https://wellcensus.com/operators/dominion-oil-10029 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).