Fremont County, Wyoming Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Fremont County contains 5,204 wells on file, with top operators including OVINTIV USA INC and CONTANGO RESOURCES LLC.
Wells in Fremont span several oil & gas fields including WC and MADDEN.
Most recent well on record: 1-8A, operated by GILMORE OIL & GAS — 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
Fremont 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.
5,203 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Fremont County by total wells
Operators: Ovintiv Usa Inc, Contango Resources Llc, Aethon Energy Operating Llc, Wesco Operating Inc, Wind River Energy Commission, Denbury Onshore Llc, Richardson Operating Co, Devon Energy Production Company Lp, Bp America Production Company, Atlantic Richfield Company.
Top Oil & Gas Fields intersecting Fremont County
Fields: Wc, Madden, Frenchie Draw, Beaver Creek, Circle Ridge, Lander, Winkleman, Pavillion, Pilot Butte, Maverick Springs.
Top Counties in Wyoming most active by total wells
Compare Fremont against the other busiest counties in Wyoming:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| 1-8A | 2026-03-18 | GILMORE OIL & GAS | 1321650 | |
| 3-1 | 2026-03-18 | LOUISIANA LAND & EXPLORATION CO | 1321665 | |
| WC #5 | 2026-03-18 | WAGNER & BROWN LIMITED PARTNERSHIP | 1321638 | |
| 3-19 | 2026-03-18 | BERENERGY CORPORATION | 1321647 | |
| RIVERTON DOME #13 | 2026-03-18 | CONOCO INC | 1321654 | |
| RIVERTON DOME EAST #14 | 2026-03-18 | CONOCO INC | 1321656 | |
| 16-13 | 2026-03-18 | BERENERGY CORPORATION | 1321635 | |
| 43-14 | 2026-03-18 | NATURAL GAS PROCESSING COMPANY | 1321636 | |
| 2-27 | 2026-03-18 | BARNHART DRILLING CO INC | 1321642 | |
| FULLER RESERVOIR #1 | 2026-03-18 | TCF INC | 1321622 |
Surface Ownership Records:
