DEER FLY Field Activity and Well Summary
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Total wells
Drill activity
The DEER FLY oil & gas field in Wyoming contains 19 wells on file.
Top operators: RANCH OIL COMPANY, CENEX, and others.
Most recent well: DEER FLY #2, operated by ROCK OIL CORPORATION — last updated March 2026.
DEER FLY field coverage
Counties the DEER FLY field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| DEER FLY #2 | Campbell | 2026-03-18 | ROCK OIL CORPORATION | 527680 | |
| DEER FLY #2 | Campbell | 1992-11-07 | LARIO OIL & GAS COMPANY | 530429 | |
| 23-8 | Campbell | 1986-11-29 | PRENALTA CORPORATION | 528950 | |
| 7-8 | Campbell | 1985-10-25 | FINA OIL AND CHEMICAL COMPANY | 528553 | |
| DEER FLY #1 | Campbell | 1985-06-29 | MIDGARD ENERGY COMPANY | 528343 | |
| 2-13 | Campbell | 1985-04-21 | RANCH OIL COMPANY | 528161 | |
| DEER FLY #1 | Campbell | 1984-03-06 | MAXIMUS OPERATING LTD | 527508 | |
| 4A-7 | Campbell | 1983-12-16 | QEP ENERGY COMPANY | 527336 | |
| 1-13 | Campbell | 1983-12-07 | RANCH OIL COMPANY | 527334 | |
| 2-18 | Campbell | 1983-07-16 | RANCH OIL COMPANY | 526226 |
Top Operators in the DEER FLY field by total wells
Operators: Ranch Oil Company, Cenex, Davis Oil Company, Fina Oil And Chemical Company, Lario Oil & Gas Company, Logo Inc, Maximus Operating Ltd, Midgard Energy Company, Prenalta Corporation, Qep Energy Company.
Other Major Fields in Wyoming most active by total wells
Compare the DEER FLY 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