Oil & gas wells in Crook County, WY
4,103 catalogued wells in Crook County, Wyoming, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Crook County, Wyoming has 4,103 catalogued oil & gas wells: 383 active (9%), 2,989 plugged & abandoned (73%) and 130 documented orphans. It ranks 11th of the 23 Wyoming counties WellCensus profiles by well count and holds 3% of the state's 129,957 catalogued wells.
Catalogued wells
4,103
Active
383
Plugged
2,989
Documented orphans
130
What is the status of oil and gas wells in Crook County?
9% of Crook County's wells are active, 8 percentage points below the Wyoming share of 17%. 73% are plugged & abandoned, against 51% statewide and 47% nationally. 282 wells (7%) are shut-in — unplugged but idle. 130 wells (3%) are documented orphans with no operator able to plug them, compared with 0.3% across Wyoming and 4% nationally. The remaining 319 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Crook County?
By product class, 3,750 of the county's wells (91%) are oil wells, 31 (0.8%) gas wells and 236 (6%) injection wells. Statewide the oil share is 50% and the gas share 43%. The deepest total depth published for a Crook County well is 9,781 ft, against 25,830 ft for Wyoming as a whole. 100% of the county's wells carry coordinates and appear on the map.
How does Crook County compare with other Wyoming counties?
Crook County has the 11th-most catalogued wells of the 23 Wyoming counties with at least 25. The median Wyoming county on WellCensus has 3,655 wells. The largest, Campbell County, has 36,047. By documented orphans it ranks 2nd in Wyoming.
Who operates wells in Crook County?
666 distinct operators of record are linked to wells in Crook County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.
Wells in Crook County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Semlek 7-26 | 49-011-03888 | Plugged & abandoned | Oil | Exeter Drilling Company |
| Kinter 1 | 49-011-05000 | Plugged & abandoned | Oil | Miller Randall J |
| Govt 1 | 49-011-05001 | Plugged & abandoned | Oil | Teakle |
| Keeline Patented 1 | 49-011-05002 | Plugged & abandoned | Oil | Mkm Exploration |
| Dpla 6 | 49-011-05003 | Plugged & abandoned | Oil | Southwest Oil |
| Federal W-051225a 1 | 49-011-05006 | Plugged & abandoned | Oil | Willis W B & Tower C |
| Kimsey B-040127 1 | 49-011-05009 | Plugged & abandoned | Oil | Reserve Drilling Co Inc |
| Dpla 8 | 49-011-05010 | Plugged & abandoned | Oil | Southwest Oil |
| Dpla 11 | 49-011-05011 | Plugged & abandoned | Oil | North Central Oil Corp |
| Watt Patented A-13 | 49-011-05012 | Plugged & abandoned | Oil | True Oil LLC |
| Pacific Oil W011357c A-3 | 49-011-05013 | Plugged & abandoned | Oil | True Oil LLC |
| Watt Patented A-10 | 49-011-05014 | Other status | Injection | Infield Discovery LLC |
| Krause Patented 1 | 49-011-05015 | Plugged & abandoned | Oil | Midwest Oil Corporation |
| 33p Krause Patented F44 | 49-011-05016 | Plugged & abandoned | Oil | Exxon Mobil Oil Corporation |
| Watt Patented A-14 | 49-011-05017 | Plugged & abandoned | Oil | True Oil LLC |
| 34p Krause Patented F24 | 49-011-05018 | Plugged & abandoned | Oil | Exxon Mobil Oil Corporation |
| Federal W-029376a 8 | 49-011-05020 | Plugged & abandoned | Oil | Miller Edwin |
| Miller Federal 7 | 49-011-05021 | Active | Oil | Black Thunder Oil LLC |
| State 64-9627 1 | 49-011-05022 | Plugged & abandoned | Oil | Smith Perl |
| Dpla 2 | 49-011-05023 | Plugged & abandoned | Oil | Southwest Oil |
| Miller Federal 6 | 49-011-05024 | Active | Oil | Black Thunder Oil LLC |
| Dpla 13 | 49-011-05025 | Plugged & abandoned | Oil | North Central Oil Corp |
| Dpla 9 | 49-011-05026 | Plugged & abandoned | Oil | Southwest Oil |
| Miller Federal 5 | 49-011-05027 | Active | Oil | Black Thunder Oil LLC |
| Federal W-029374 33-27 | 49-011-05028 | Plugged & abandoned | Oil | Cole W J |
A sample of the county’s wells — every catalogued well has its own page. Browse all 4,103 in search → (filter by operator, status and type, then export), or find a specific well on the live map.
Frequently asked questions
How many oil and gas wells are in Crook County, WY?
Crook County, Wyoming has 4,103 catalogued oil & gas wells: 383 active, 2,989 plugged and 130 documented orphans.
How many orphaned wells are in Crook County?
130 wells in Crook County, Wyoming are documented orphans — unplugged with no solvent operator of record, the 2nd-highest count among Wyoming counties.
What share of wells in Crook County are plugged?
2,989 of Crook County's 4,103 catalogued wells (73%) are plugged & abandoned, compared with 51% across Wyoming.
Which Wyoming county has the most oil and gas wells?
Campbell County has the most catalogued wells of any Wyoming county on WellCensus (36,047); Crook County ranks 11th with 4,103.
How many companies operate wells in Crook County?
666 distinct operators of record are linked to catalogued wells in Crook County, Wyoming.
Nearby in the Wyoming rankings
About this data
Source: Wyoming Oil & Gas Conservation Commission well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Crook County, Wyoming”, https://wellcensus.com/wells/wyoming/crook (data as of October 10, 2026).