STEVESSON 'A' 2
API 15175202530000 · Seward County, Kansas · SALLEY field
Producing
API
15175202530000
Operator
Eiger Operating Company, LLC
County
Seward
Field
SALLEY
Location
Spudded
1975-03-18
Completed
1975-06-24
Measured depth
6,642 ft
Formation tops
Kansas records 50 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Stone Corral Formation | — | 1,628 | 1 |
| Wellington Formation | 1,952–2,132 | — | 2 |
| Hutchinson Salt Member | 2,193–2,296 | 2,430 | 2 |
| Hollenberg Limestone Member | 2,601 | — | 1 |
| Chase Group | 2,625–2,628 | — | 2 |
| Herington Limestone Member | 2,625 | — | 1 |
| Paddock Shale Member | 2,644 | — | 1 |
| Krider Limestone Member | 2,658 | — | 1 |
| Odell Shale Formation | 2,703 | — | 1 |
| Winfield Limestone Formation | 2,713–2,714 | — | 2 |
| Gage Shale Member | 2,757 | — | 1 |
| Towanda Limestone Member | 2,771 | 2,828 | 1 |
| Fort Riley Limestone Member | 2,830 | 2,881 | 1 |
| Florence Limestone Member | 2,882 | — | 1 |
| Matfield Shale Formation | 2,920 | — | 1 |
| Wreford Limestone Formation | 2,936 | — | 1 |
| Council Grove Group | 2,973–2,974 | — | 2 |
| Speiser Shale Formation | 2,973 | — | 1 |
| Funston Formation | 2,984 | — | 1 |
| Blue Rapids Shale Formation | 3,042 | — | 1 |
| Crouse Limestone Formation | 3,054 | — | 1 |
| Easly Creek Shale Formation | 3,078 | — | 1 |
| Middleburg Limestone Member | 3,085 | — | 1 |
| Hooser Shale Member | 3,105 | — | 1 |
| Eiss Limestone Member | 3,114 | — | 1 |
| Stearns Shale Formation | 3,125 | — | 1 |
| Morrill Limestone Member | 3,136 | — | 1 |
| Florena Shale Member | 3,166 | — | 1 |
| Cottonwood Limestone Member | 3,172 | — | 1 |
| Eskridge Shale Formation | 3,213 | — | 1 |
| Neva Limestone Member | 3,265 | — | 1 |
| Roca Shale Formation | 3,324 | — | 1 |
| Heebner Shale Member | 4,305–4,306 | — | 2 |
| Toronto Limestone Member | 4,334 | — | 1 |
| Lansing Group | 4,442 | — | 1 |
| Marmaton Group | 5,170 | — | 1 |
| Middle Morrowan Limestone Bed | 5,803–6,018 | — | 4 |
| Upper Kearny Member | 5,803 | — | 1 |
| Keyes Sandstone Bed | 6,052 | — | 1 |
| Chesteran Zone D Bed | 6,088–6,094 | 6,096 | 2 |
| Mississippian System | 6,088–6,094 | — | 2 |
| Chesteran Stage | 6,094 | — | 2 |
| Chesteran Zone C Bed | 6,096 | 6,199 | 1 |
| Chesteran Zone B Bed | 6,199–6,422 | 6,310 | 2 |
| Chesteran Zone A Bed | 6,302–6,310 | 6,463 | 2 |
| Chesteran Sandstone Upper Bed | 6,390 | — | 1 |
| Meramecian Stage | 6,463–6,464 | — | 2 |
| Ste. Genevieve Limestone Formation | 6,463–6,464 | — | 2 |
| St. Louis Limestone Formation | 6,580 | — | 1 |
| Lower Kearny Member | — | — | 1 |
A dash is a formation Kansas records for this well without a depth. In the base column a dash is also a depth Kansas’s sources record differently from one another. 13 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.077784, -100.926435
37.07778, -100.92643 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Seward County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.