Equity Oil
Operator of record for 78 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: EQUITY OIL CO · EQUITY OIL COMPANY · Equity Oil Company
At a glance
Equity Oil is the operator of record for 78 catalogued U.S. oil & gas wells in 5 states. None is listed as active, 76 (97%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Wyoming, with 45 wells (58% of its portfolio).
Wells operated
78
Active
0
Plugged
76
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 45 |
| Montana | 18 |
| Colorado | 11 |
| North Dakota | 3 |
| Pennsylvania | 1 |
Well mix
- Oil wells
- 47
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Equity Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Equity Oil operate?
Equity Oil's catalogued wells are spread across 5 states: Wyoming (45), Montana (18), Colorado (11), North Dakota (3) and Pennsylvania (1). Its 18 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 Equity Oil’s wells are active, plugged or orphaned?
0% of Equity Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 97% 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 Equity Oil operate?
By product class, 47 (60%) are oil wells and 5 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Winchester W-0255228 1 in Washakie, WY at 11,948 ft. The wells listed below sit in Washakie (WY), Sweetwater (WY), Carbon (MT), Campbell (WY), Carbon (WY) and Big Horn (WY). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Equity Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Winchester W-0255228 1 | 49-043-20239 | Plugged & abandoned | Oil | Washakie, WY | Equity Oil Company | 11,948 ft |
| Siberia Ridge Unit 9 | 49-037-21158 | Plugged & abandoned | Gas | Sweetwater, WY | Equity Oil Company | 11,060 ft |
| Siberia Unit W312099 02 | 49-037-20658 | Plugged & abandoned | Gas | Sweetwater, WY | Equity Oil Company | 10,914 ft |
| Castagne 14-17 | 25-009-21193 | Plugged & abandoned | Other type | Carbon, MT | Equity Oil Company | 10,300 ft |
| Tholson W-024336-B 1 | 49-005-05538 | Plugged & abandoned | Oil | Campbell, WY | Equity Oil Company | 9,168 ft |
| Nugget Ashland 13-22 | 49-007-20279 | Plugged & abandoned | Gas | Carbon, WY | Equity Oil Company | 9,100 ft |
| Federal 8-19 | 49-005-22012 | Plugged & abandoned | Oil | Campbell, WY | Equity Oil Company | 9,015 ft |
| Scott 1 | 49-005-20110 | Plugged & abandoned | Oil | Campbell, WY | Equity Oil Company | 9,002 ft |
| State 62-12695c 6-13 | 49-005-22645 | Plugged & abandoned | Oil | Campbell, WY | Equity Oil Company | 9,000 ft |
| Daly Federal 1 | 49-005-21677 | Plugged & abandoned | Oil | Campbell, WY | Equity Oil Company | 8,925 ft |
| Ashland 13-22x | 49-007-20246 | Plugged & abandoned | Gas | Carbon, WY | Equity Oil Company | 8,551 ft |
| Rairden Ut W-0148955 1 | 49-003-20138 | Plugged & abandoned | Oil | Big Horn, WY | Equity Oil Company | 8,200 ft |
Deepest first where depth is published. See all 78 wells →
Frequently asked questions
How many wells does Equity Oil operate?
Equity Oil is the operator of record for 78 catalogued oil & gas wells, with the largest concentration in Wyoming (45). Only wells in states WellCensus has ingested are counted.
How many of Equity Oil's wells are still active?
0 of Equity Oil's catalogued wells are active; 76 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Equity Oil operate wells?
Equity Oil is the operator of record for wells in Wyoming (45), Montana (18), Colorado (11), North Dakota (3) and Pennsylvania (1).
Does Equity Oil operate mostly oil or gas wells?
47 of Equity Oil's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Equity Oil's deepest well?
Among wells with a published depth, Winchester W-0255228 1 in Washakie, WY is the deepest at 11,948 ft.
Where Equity Oil's wells are
- Oil & gas wells in Wyoming· 45 operated by Equity Oil
- Oil & gas wells in Montana· 18 operated by Equity Oil
- Oil & gas wells in Colorado· 11 operated by Equity Oil
- Oil & gas wells in North Dakota· 3 operated by Equity Oil
- Oil & gas wells in Pennsylvania· 1 operated by Equity 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, “Equity Oil — well portfolio”, https://wellcensus.com/operators/equity-oil-2354 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).