TWENTY MILE HILL Field Activity and Well Summary
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Total wells
Drill activity
The TWENTY MILE HILL oil & gas field in Wyoming contains 21 wells on file.
Top operators: SUNSHINE VALLEY PETROLEUM, DAVIS OIL COMPANY, and others.
Most recent well: TWENTY MILE HILL #1, operated by ENERGY LANDLEASE CORP — last updated March 2026.
TWENTY MILE HILL field coverage
Counties the TWENTY MILE HILL field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| TWENTY MILE HILL #1 | Natrona | 2026-03-18 | ENERGY LANDLEASE CORP | 2521692 | |
| 1-36 | Natrona | 1981-10-08 | SUNSHINE VALLEY PETROLEUM | 2521311 | |
| 1-2 | Natrona | 1981-10-04 | SEGURO OIL & GAS INC | 2521391 | |
| 1-2 | Natrona | 1981-10-04 | SHARPLES PHILLIP T TRUST | 2560127 | |
| TWENTY MILE HILL #1 | Natrona | 1981-08-06 | ANTELOPE ENERGY COMPANY LLC | 2521382 | |
| TWENTY MILE HILL #1 | Natrona | 1970-06-13 | ALLOWAY A M | 2520354 | |
| 2-2 | Natrona | 1970-03-15 | SUNSHINE VALLEY PETROLEUM | 2520343 | |
| TWENTY MILE HILL #1 | Natrona | 1964-08-11 | DAVIS OIL COMPANY | 2506083 | |
| 6-2 | Natrona | 1962-02-09 | SUNSHINE VALLEY PETROLEUM | 2506096 | |
| 6-1 | Natrona | 1962-01-07 | SUNSHINE VALLEY PETROLEUM | 2506103 |
Top Operators in the TWENTY MILE HILL field by total wells
Operators: Sunshine Valley Petroleum, Davis Oil Company, Chevron Usa Inc, Energy Landlease Corp, Sauer Bill Oil & Gas Company Llc, Seguro Oil & Gas Inc, Sharples Phillip T Trust, Sprecher J D, Alloway A M, Texaco Exploration & Prod.
Other Major Fields in Wyoming most active by total wells
Compare the TWENTY MILE HILL 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