Collingwood 1-28
API 15175000060000 · Seward County, Kansas · WILDCAT field
Plugged and AbandonedPlugged 1955-07-11
API
15175000060000
Operator
unavailable
County
Seward
Field
WILDCAT
Location
Spudded
1955-04-16
Completed
1955-05-11
Plugged
1955-07-11
Measured depth
5,775 ft
Formation tops
Kansas records 67 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Odell Shale Formation | 2,734 | — | 1 |
| Winfield Limestone Formation | 2,750–2,754 | — | 3 |
| Gage Shale Member | 2,787 | — | 1 |
| Towanda Limestone Member | 2,807 | 2,863 | 1 |
| Fort Riley Limestone Member | 2,883 | 2,934 | 1 |
| Matfield Shale Formation | 2,963 | — | 1 |
| Wreford Limestone Formation | 2,979 | — | 1 |
| Council Grove Group | 3,014 | — | 3 |
| Speiser Shale Formation | 3,014 | — | 1 |
| Funston Formation | 3,023 | — | 1 |
| Blue Rapids Shale Formation | 3,068 | — | 1 |
| Crouse Limestone Formation | 3,077 | — | 1 |
| Easly Creek Shale Formation | 3,094 | — | 1 |
| Middleburg Limestone Member | 3,098 | — | 1 |
| Hooser Shale Member | 3,110 | — | 1 |
| Eiss Limestone Member | 3,120 | — | 1 |
| Stearns Shale Formation | 3,130 | — | 1 |
| Morrill Limestone Member | 3,137 | — | 1 |
| Florena Shale Member | 3,179 | — | 1 |
| Cottonwood Limestone Member | 3,185 | — | 1 |
| Eskridge Shale Formation | 3,222 | — | 1 |
| Neva Limestone Member | 3,250 | — | 1 |
| Roca Shale Formation | 3,297 | — | 1 |
| Howe Limestone Member | 3,302 | — | 1 |
| Johnson Shale Formation | 3,354 | — | 1 |
| Long Creek Limestone Member | 3,359 | — | 1 |
| Janesville Shale Formation | 3,432 | — | 1 |
| Falls City Limestone Formation | 3,444 | — | 1 |
| Pennsylvanian System | 3,460 | — | 1 |
| Wabaunsee Group | 3,460–3,517 | — | 3 |
| Root Shale Formation | 3,608 | — | 1 |
| Stotler Limestone Formation | 3,618 | — | 1 |
| Severy Shale Formation | 3,918 | — | 1 |
| Shawnee Group | 3,952 | — | 1 |
| Topeka Limestone Formation | 3,952 | — | 1 |
| Heebner Shale Member | 4,283–4,284 | — | 3 |
| Toronto Limestone Member | 4,301–4,302 | — | 3 |
| Iatan Limestone Member | 4,362 | — | 1 |
| Lansing Group | 4,362–4,402 | — | 5 |
| Iola Limestone Formation | 4,589–4,680 | — | 3 |
| Muncie Creek Shale Member | 4,648 | — | 1 |
| Dewey Limestone Formation | 4,674 | — | 1 |
| Stark Shale Member | 4,864 | — | 1 |
| Swope Limestone Formation | 4,892 | — | 3 |
| Hushpuckney Shale Member | 4,908 | — | 1 |
| Hertha Limestone Formation | 4,922–4,923 | — | 3 |
| Mound City Shale Member | 4,953 | — | 1 |
| Exline Limestone Member | 4,957 | — | 1 |
| Pleasanton Group | 5,013 | — | 1 |
| Marmaton Group | 5,039–5,040 | — | 3 |
| Novinger Limestone Bed | 5,108 | — | 2 |
| Fort Scott Limestone Formation | 5,160–5,161 | — | 3 |
| Little Osage Shale Member | 5,192 | — | 1 |
| Cherokee Group | 5,194–5,217 | — | 3 |
| Excello Shale Member | 5,217 | — | 1 |
| Atokan Stage | 5,518 | — | 2 |
| Middle Morrowan Limestone Bed | 5,530–5,562 | — | 5 |
| Morrowan A Sandstone Bed | 5,530 | — | 2 |
| Upper Kearny Member | 5,534 | — | 1 |
| Keyes Sandstone Bed | 5,585 | — | 2 |
| Chesteran Stage | 5,605 | — | 3 |
| Chesteran Zone D Bed | 5,605 | — | 3 |
| Mississippian System | 5,605 | — | 3 |
| Chesteran Zone C Bed | 5,612 | — | 3 |
| Chesteran Zone B Bed | 5,624–5,758 | — | 5 |
| Chesteran Zone A Bed | 5,675–5,686 | — | 3 |
| Chesteran Sandstone Upper Bed | 5,732 | — | 2 |
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
37.233200, -100.700861
37.23320, -100.70086 · 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.