Weston County, Wyoming Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Weston County contains 7,716 wells on file, with top operators including M & K OIL COMPANY LLC and OSAGE PARTNERS LLC.
Wells in Weston span several oil & gas fields including OSAGE and MUSH CREEK.
Most recent well on record: 21-13, operated by PACIFIC ENTERPRISES OIL CO USA — last updated March 2026.
County FIPS Code: 56045
Active drilling rigs · Baker Hughes snapshot, week of 2026-07-17
By basin
- 17 Other
Drilling for
- 14 Oil
- 3 Gas
Weston 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.
7,713 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Weston County by total wells
Operators: M & K Oil Company Llc, Osage Partners Llc, True Oil Llc, Poc-I Llc, Snowy Owl Llc, Sunshine Valley Petroleum, Toco Corporation, Townsend Company, Wave Petroleum Operating Llc, Coronado Oil Company.
Top Oil & Gas Fields intersecting Weston County
Fields: Osage, Mush Creek, Clareton, Finn-Shurley, Wc, Skull Creek, Fiddler Creek, Wildcat Creek, Black Thunder, Mush Creek West.
Top Counties in Wyoming most active by total wells
Compare Weston against the other busiest counties in Wyoming:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| 21-13 | 2026-03-18 | PACIFIC ENTERPRISES OIL CO USA | 4522580 | |
| 1-20 | 2026-03-18 | MEDICINE BOW OPERATING COMPANY | 4522925 | |
| 1-35 | 2026-03-18 | DISCOVERY OIL LTD | 4521725 | |
| OSAGE #7 | 2026-03-18 | NEVDAK OIL & EXPLORATION | 4522575 | |
| FINN-SHURLEY #1 | 2026-03-18 | M & K OIL COMPANY LLC | 4522766 | |
| 12-12 | 2026-03-18 | MAHA ENERGY US INC | 4522924 | |
| 1-17 | 2026-03-18 | CENTAUR OIL COMPANY | 4521216 | |
| OSAGE #1 | 2026-03-18 | THOMAS LARRY | 4521709 | |
| WILDCAT CREEK #1 | 2026-03-18 | FARNSWORTH & KAISER OIL COMPANY | 4521964 | |
| D-1 | 2026-03-18 | HOLLOWAY MERLE | 4522501 |
Surface Ownership Records: