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WellCensus

Oil & gas wells in Sheridan County, WY

5,216 catalogued wells in Sheridan County, Wyoming, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Sheridan County, Wyoming has 5,216 catalogued oil & gas wells: 13 active (0.2%), 3,733 plugged & abandoned (72%) and 46 documented orphans. It ranks 8th of the 23 Wyoming counties WellCensus profiles by well count and holds 4% of the state's 129,957 catalogued wells.

Catalogued wells

5,216

Active

13

Plugged

3,733

Documented orphans

46

What is the status of oil and gas wells in Sheridan County?

0.2% of Sheridan County's wells are active, 17 percentage points below the Wyoming share of 17%. 72% are plugged & abandoned, against 51% statewide and 47% nationally. 981 wells (19%) are shut-in — unplugged but idle. 46 wells (0.9%) are documented orphans with no operator able to plug them, compared with 0.3% across Wyoming and 4% nationally. The remaining 443 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Sheridan County?

By product class, 333 of the county's wells (6%) are oil wells, 4,600 (88%) gas wells and 16 (0.3%) injection wells. Statewide the oil share is 50% and the gas share 43%. The deepest total depth published for a Sheridan County well is 15,710 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 Sheridan County compare with other Wyoming counties?

Sheridan County has the 8th-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 3rd in Wyoming.

Who operates wells in Sheridan County?

159 distinct operators of record are linked to wells in Sheridan 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.

Oil & gas wells in Sheridan County, WY
WellAPI # / state IDStatusTypeOperator
Mumma Patented 149-033-05000Plugged & abandonedOilDavis Oil Company
Iroz Patented 149-033-05001Plugged & abandonedOilDavis Oil Company
State A 65-2115 149-033-05002Plugged & abandonedOilCenex
Ingram A Patented 149-033-05003Plugged & abandonedOilTrigood Oil Company
Ingram Patented 249-033-05004Plugged & abandonedOilTrigood Oil Company
Weaver Brennan Pat 149-033-05005Plugged & abandonedOilHelmerich & Payne Inc
Willey 149-033-05006Plugged & abandonedOilPetroleum Inc
Demple Patented 149-033-05007Plugged & abandonedOilSwepi LP
C C Allison Patented 149-033-05008Plugged & abandonedOilBeaver Creek Oil Assc
Allison 149-033-05009Plugged & abandonedOilHoughton & Juniper
Forbes Patented 149-033-05010Plugged & abandonedOilTexas Company
Beckton Trust Patent 149-033-05011Plugged & abandonedInjectionGulf Oil Corporation
Griffith W-047723 149-033-05012Plugged & abandonedOilDavis Oil Company
Federal W-032647 149-033-05013Plugged & abandonedOilOien Oil Corporation
Roberts Patented 11-3-P49-033-05014Plugged & abandonedOilExxon Mobil Oil Corporation
Peters W-012245a 149-033-05015Plugged & abandonedOilDavis Oil Company
Walt Peters Patented 149-033-05016Plugged & abandonedOilDavis Oil Company
P K Ranch Patented 149-033-05017Plugged & abandonedOilKirby Petroleum Company
R T Helbey Patented 149-033-05018Plugged & abandonedOilBrazell & Wrather
Halvey Patented 1-A49-033-05019Plugged & abandonedOilPure Oil
Griffith Patented 149-033-05020Plugged & abandonedOilPure Oil
Boland 149-033-05021Plugged & abandonedOilAmerada Hess Corporation
Prairie Dog Rch Pat 149-033-05022Plugged & abandonedOilM K M Oil Company
R T Helvey Patented 149-033-05024Plugged & abandonedOilUnion Oil Co Of California
Griffith 65-2067 149-033-05025Plugged & abandonedOilDavis Oil Company

A sample of the county’s wells — every catalogued well has its own page. Browse all 5,216 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 Sheridan County, WY?

Sheridan County, Wyoming has 5,216 catalogued oil & gas wells: 13 active, 3,733 plugged and 46 documented orphans.

How many orphaned wells are in Sheridan County?

46 wells in Sheridan County, Wyoming are documented orphans — unplugged with no solvent operator of record, the 3rd-highest count among Wyoming counties.

What share of wells in Sheridan County are plugged?

3,733 of Sheridan County's 5,216 catalogued wells (72%) 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); Sheridan County ranks 8th with 5,216.

How many companies operate wells in Sheridan County?

159 distinct operators of record are linked to catalogued wells in Sheridan 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 Sheridan County, Wyoming”, https://wellcensus.com/wells/wyoming/sheridan (data as of October 10, 2026).