BLANCHE 1
API 15175201940000 · Seward County, Kansas · WILDCAT field
Plugged and AbandonedPlugged 1973-02-25
API
15175201940000
Operator
unavailable
County
Seward
Field
WILDCAT
Location
Spudded
1973-02-13
Completed
1973-02-25
Plugged
1973-02-25
Measured depth
6,140 ft
Formation tops
Kansas records 55 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Blaine Formation | 830 | 909 | 1 |
| Cedar Hills Sandstone Formation | 1,018 | 1,104 | 1 |
| Stone Corral Formation | 1,486–1,518 | — | 5 |
| Wellington Formation | 1,903 | — | 1 |
| Hutchinson Salt Member | 2,120 | 2,432 | 1 |
| Hollenberg Limestone Member | 2,608 | — | 1 |
| Chase Group | 2,646–2,649 | — | 2 |
| Herington Limestone Member | 2,646 | — | 1 |
| Paddock Shale Member | 2,666 | — | 1 |
| Krider Limestone Member | 2,685 | — | 1 |
| Odell Shale Formation | 2,723 | — | 1 |
| Winfield Limestone Formation | 2,735 | — | 1 |
| Gage Shale Member | 2,777 | — | 1 |
| Towanda Limestone Member | 2,790 | 2,856 | 1 |
| Fort Riley Limestone Member | 2,860 | — | 1 |
| Matfield Shale Formation | 2,960 | — | 1 |
| Wreford Limestone Formation | 2,972 | — | 1 |
| Council Grove Group | 3,005–3,007 | — | 3 |
| Speiser Shale Formation | 3,007 | — | 1 |
| Blue Rapids Shale Formation | 3,080 | — | 1 |
| Eskridge Shale Formation | 3,266 | — | 1 |
| Neva Limestone Member | 3,310 | — | 1 |
| Roca Shale Formation | 3,385 | — | 1 |
| Wabaunsee Group | 3,565 | — | 2 |
| Heebner Shale Member | 4,377–4,378 | — | 3 |
| Toronto Limestone Member | 4,404–4,406 | — | 3 |
| Iatan Limestone Member | 4,461 | — | 1 |
| Lansing Group | 4,530–4,540 | — | 4 |
| Muncie Creek Shale Member | 4,816 | — | 1 |
| Kansas City Group | 4,818 | — | 2 |
| Dewey Limestone Formation | 4,824–4,847 | — | 3 |
| Iola Limestone Formation | 4,833 | — | 2 |
| Stark Shale Member | 5,028–5,030 | — | 3 |
| Swope Limestone Formation | 5,032–5,046 | — | 3 |
| Hushpuckney Shale Member | 5,099 | — | 1 |
| Hertha Limestone Formation | 5,104 | — | 1 |
| Pleasanton Group | 5,213 | — | 3 |
| Marmaton Group | 5,226 | — | 3 |
| Pawnee Limestone Formation | 5,247 | — | 1 |
| Novinger Limestone Bed | 5,259 | — | 2 |
| Fort Scott Limestone Formation | 5,299 | — | 1 |
| Cherokee Group | 5,388–5,445 | — | 3 |
| Little Osage Shale Member | 5,390 | — | 1 |
| Excello Shale Member | 5,444–5,445 | — | 3 |
| Verdigris Limestone Member | 5,524 | — | 1 |
| Atokan Stage | 5,620 | — | 1 |
| Atoka Shale Bed | 5,662 | — | 1 |
| Middle Morrowan Limestone Bed | 5,810–5,883 | — | 6 |
| Upper Kearny Member | 5,811 | — | 1 |
| Keyes Sandstone Bed | 5,993 | — | 2 |
| Middle Morrowan Sandstone Bed | 5,993 | 6,020 | 1 |
| Chesteran Stage | 6,028–6,086 | — | 3 |
| Chesteran Zone D Bed | 6,028–6,086 | 6,085 | 3 |
| Mississippian System | 6,028–6,086 | — | 3 |
| Chesteran Zone C Bed | 6,085 | — | 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. 15 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.071795, -100.788949
37.07180, -100.78895 · 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.