Greybull Refining
Operator of record for 27 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Greybull Refining is the operator of record for 27 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 27 (100%) are plugged & abandoned. Its largest concentration is in Wyoming, with 27 wells (100% of its portfolio).
Wells operated
27
Active
0
Plugged
27
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 27 |
Well mix
- Oil wells
- 25
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
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Claim Greybull Refining to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Greybull Refining operate?
Greybull Refining's catalogued wells are spread across 1 state: Wyoming (27). Its 27 Wyoming wells are 0.0% of the 129,957 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 Greybull Refining’s wells are active, plugged or orphaned?
0% of Greybull Refining'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 Greybull Refining operate?
By product class, 25 (93%) are oil wells and 2 (7%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Govt 1 in Big Horn, WY at 2,100 ft. The wells listed below sit in Big Horn (WY) and Park (WY).
Notable wells operated by Greybull Refining
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Govt 1 | 49-003-05294 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 2,100 ft |
| 1 | 49-029-06080 | Plugged & abandoned | Gas | Park, WY | Greybull Refining Co | 1,900 ft |
| Jackson Claim 3 | 49-003-05393 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 1,350 ft |
| Govt 1 | 49-003-05299 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 1,100 ft |
| Greggs 1 | 49-003-05519 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 1,090 ft |
| Harvey 1 | 49-003-05495 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 1,060 ft |
| Jackson Claim 26 | 49-003-05378 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 1,027 ft |
| Lane Claime 2 | 49-003-05474 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 975 ft |
| Wilson 1 | 49-003-05527 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 840 ft |
| Jackson Claim 11 | 49-003-05332 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 710 ft |
| Jackson Claim 25 | 49-003-05361 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 647 ft |
| Jackson 9-A | 49-003-05455 | Plugged & abandoned | Oil | Big Horn, WY | Greybull Refining Co | 645 ft |
Deepest first where depth is published. See all 27 wells →
Frequently asked questions
How many wells does Greybull Refining operate?
Greybull Refining is the operator of record for 27 catalogued oil & gas wells, with the largest concentration in Wyoming (27). Only wells in states WellCensus has ingested are counted.
How many of Greybull Refining's wells are still active?
0 of Greybull Refining's catalogued wells are active; 27 are plugged & abandoned.
In which states does Greybull Refining operate wells?
Greybull Refining is the operator of record for wells in Wyoming (27).
Does Greybull Refining operate mostly oil or gas wells?
25 of Greybull Refining's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
What is Greybull Refining's deepest well?
Among wells with a published depth, Govt 1 in Big Horn, WY is the deepest at 2,100 ft.
Where Greybull Refining'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, “Greybull Refining — well portfolio”, https://wellcensus.com/operators/greybull-refining-27275 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).