SHELDON NORTHWEST Field Activity and Well Summary
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Total wells
Drill activity
The SHELDON NORTHWEST oil & gas field in Wyoming contains 21 wells on file.
Top operators: PIONEER OIL & GAS, WESCO OPERATING INC, and others.
Most recent well: 45-1, operated by PIONEER OIL & GAS — last updated March 2026.
SHELDON NORTHWEST field coverage
Counties the SHELDON NORTHWEST field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| 45-1 | Fremont | 2026-03-18 | PIONEER OIL & GAS | 1321534 | |
| 12-1 | Fremont | 1991-08-26 | WESCO OPERATING INC | 1321535 | |
| 42-1 | Fremont | 1988-08-31 | WESCO OPERATING INC | 1321533 | |
| SHELDON NORTHWEST #5 | Fremont | 1966-08-12 | MOBIL EXPL & PRODUCING NORTH AMERICA INC | 1306945 | |
| 11-1 | Fremont | 1959-05-25 | WESCO OPERATING INC | 1306575 | |
| 11C | Fremont | 1958-08-02 | PIONEER OIL & GAS | 1306578 | |
| 31-14 | Fremont | 1958-02-12 | WESCO OPERATING INC | 1306574 | |
| SHELDON NORTHWEST #10 | Fremont | 1957-06-19 | PIONEER OIL & GAS | 1306590 | |
| 9C | Fremont | 1956-10-29 | PIONEER OIL & GAS | 1306585 | |
| 8C | Fremont | 1956-09-06 | PIONEER OIL & GAS | 1306594 |
Top Operators in the SHELDON NORTHWEST field by total wells
Operators: Pioneer Oil & Gas, Wesco Operating Inc, Black Coal Resources Company, Mobil Expl & Producing North America Inc, Skelly Oil, Texaco Exploration & Prod.
Other Major Fields in Wyoming most active by total wells
Compare the SHELDON NORTHWEST 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