BIG MUDDY Field Activity and Well Summary
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Total wells
Drill activity
The BIG MUDDY oil & gas field in Wyoming contains 636 wells on file.
Top operators: CONOCO INC, DYER J G, and others.
Most recent well: BIG MUDDY #97, operated by MON-OIL INC — last updated March 2026.
BIG MUDDY field coverage
Counties the BIG MUDDY field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| BIG MUDDY #97 | Converse | 2026-03-18 | MON-OIL INC | 922994 | |
| 3-14L | Converse | 2026-03-18 | T-REX OIL INC | 928190 | |
| 8-13L | Converse | 2026-03-18 | T-REX OIL INC | 928182 | |
| 8-12 | Converse | 2026-03-18 | T-REX OIL INC | 928178 | |
| BIG MUDDY #4 | Converse | 2026-03-18 | FENEX OIL COMPANY | 907158 | |
| 16-19D | Converse | 2026-03-18 | DYER J G | 905499 | |
| 21-A | Converse | 1999-09-27 | VORTEX PETROLEUM INC | 922978 | |
| 32-2 | Converse | 1984-04-04 | WOLD OIL & GAS | 922386 | |
| BIG MUDDY #101 | Converse | 1981-11-10 | CONOCO INC | 921812 | |
| BIG MUDDY #1 | Converse | 1981-02-15 | DAVIS OIL COMPANY | 921875 |
Top Operators in the BIG MUDDY field by total wells
Operators: Conoco Inc, Dyer J G, Vortex Petroleum Inc, Westport Oil & Gas Company Lp, Southern Production Co Inc, Midwest Oil Corporation, Wyoming Oil & Development Co, Big Muddy Operating Llc, New Horizon Resources Llc, Power Tool.
Other Major Fields in Wyoming most active by total wells
Compare the BIG MUDDY field against the other busiest oil and gas fields in Wyoming:
- Wc · 76,411 wells
- Prb Coal Bed · 46,479 wells
- Pinedale · 5,251 wells
- Salt Creek · 4,822 wells
- Jonah · 3,451 wells
- Osage · 2,266 wells
- Crossbow · 1,471 wells
- Siberia Ridge · 1,453 wells
- Teapot Naval Reserve · 1,424 wells
- Echo Springs · 1,063 wells