ELK BASIN SOUTH Field Activity and Well Summary
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Total wells
Drill activity
The ELK BASIN SOUTH oil & gas field in Wyoming contains 45 wells on file.
Top operators: CONTANGO RESOURCES LLC, CONOCO INC, and others.
Most recent well: ELK BASIN SOUTH #55, operated by ANADARKO E&P ONSHORE LLC — last updated March 2026.
ELK BASIN SOUTH field coverage
Counties the ELK BASIN SOUTH field intersects.
Recent wells
| Well Name | County | Last activity | Updates | Operator | API |
|---|---|---|---|---|---|
| ELK BASIN SOUTH #55 | Park | 2026-03-18 | ANADARKO E&P ONSHORE LLC | 2930956 | |
| ELK BASIN SOUTH #4 | Park | 2026-03-18 | CONOCO INC | 2907135 | |
| ELK BASIN SOUTH #54 | Park | 2001-10-24 | HOWELL PETROLEUM CORP | 2930955 | |
| ELK BASIN SOUTH #23 | Park | 2001-03-06 | CONTANGO RESOURCES LLC | 2906027 | |
| ELK BASIN SOUTH #52 | Park | 1997-08-25 | CONTANGO RESOURCES LLC | 2921761 | |
| ELK BASIN SOUTH #50 | Park | 1989-08-19 | MARATHON OIL COMPANY | 2921597 | |
| ELK BASIN SOUTH #49 | Park | 1988-06-15 | CONTANGO RESOURCES LLC | 2921525 | |
| ELK BASIN SOUTH #48 | Park | 1987-07-01 | CONTANGO RESOURCES LLC | 2921486 | |
| ELK BASIN SOUTH #1 | Park | 1979-01-18 | BOARDWALK PETROLEUM | 2920791 | |
| ELK BASIN SOUTH #47 | Park | 1978-12-12 | CONTANGO RESOURCES LLC | 2920695 |
Top Operators in the ELK BASIN SOUTH field by total wells
Operators: Contango Resources Llc, Conoco Inc, Marathon Oil Company, Anadarko E&p Onshore Llc, Kirk Oil Company, Trigood Oil Company, Vaquero Big Horn Llc, Boardwalk Petroleum, Howell Petroleum Corp, Husky Oil Company.
Other Major Fields in Wyoming most active by total wells
Compare the ELK BASIN SOUTH 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