Sheridan County, Wyoming Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Sheridan County contains 8,382 wells on file, with top operators including PENNACO ENERGY INCORPORATED and STORM CAT ENERGY USA OPERATING CORP.
Wells in Sheridan span several oil & gas fields including PRB COAL BED and WC.
Most recent well on record: 58-80-29-15CK, operated by SM ENERGY COMPANY — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-07-17
By basin
- 17 Other
Drilling for
- 14 Oil
- 3 Gas
Sheridan County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
8,381 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Sheridan County by total wells
Operators: Pennaco Energy Incorporated, Storm Cat Energy Usa Operating Corp, Fidelity Exploration & Production Co, Huber J M Corp, Powder Battalion Holdings Llc, Summit Gas Resources Inc, High Plains Gas Llc, Medallion Exploration, Srw Inc, Windsor Energy Group Llc.
Top Oil & Gas Fields intersecting Sheridan County
Fields: Prb Coal Bed, Wc, Ash Creek, Fence Creek, Ash Creek South, Remington Creek, Arvada, Moose Draw, Cabin Creek, Amp.
Top Counties in Wyoming most active by total wells
Compare Sheridan against the other busiest counties in Wyoming:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| 58-80-29-15CK | 2026-03-18 | SM ENERGY COMPANY | 3327719 | |
| 03-24-55-78 | 2026-03-18 | SUMMIT GAS RESOURCES INC | 3327829 | |
| 58-79-28-05R-S-H | 2026-03-18 | SM ENERGY COMPANY | 3327666 | |
| 58-79-32-14CK | 2026-03-18 | NANCE PETROLEUM CORPORATION | 3327718 | |
| 15-27-55-83MZ/CR | 2026-03-18 | PENNACO ENERGY INCORPORATED | 3327798 | |
| 07-14-55-78 | 2026-03-18 | SUMMIT GAS RESOURCES INC | 3327828 | |
| 1-27-55-83 MZ/CR | 2026-03-18 | PENNACO ENERGY INCORPORATED | 3327613 | |
| 58-79-28-05K-H | 2026-03-18 | SM ENERGY COMPANY | 3327664 | |
| 2331-5779 | 2026-03-18 | KENNEDY OIL | 3327684 | |
| 58-79-32-13CK | 2026-03-18 | SM ENERGY COMPANY | 3327717 |
Surface Ownership Records:
