COLBURN 1-21
API 15175207830000 · Seward County, Kansas · ARKALON NORTH field
Producing
API
15175207830000
Operator
Oil Producers, Inc. of Kansas
County
Seward
Field
ARKALON NORTH
Location
Spudded
1984-10-19
Completed
1984-11-30
Measured depth
6,300 ft
Formation tops
Kansas records 79 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Stone Corral Formation | — | 1,524 | 1 |
| Wellington Formation | 1,968 | — | 1 |
| Hutchinson Salt Member | 2,192 | 2,477 | 2 |
| Hollenberg Limestone Member | 2,480 | — | 1 |
| Herington Limestone Member | 2,510–2,518 | — | 2 |
| Chase Group | 2,518 | — | 1 |
| Paddock Shale Member | 2,535 | — | 1 |
| Krider Limestone Member | 2,547 | — | 1 |
| Odell Shale Formation | 2,593 | — | 1 |
| Winfield Limestone Formation | 2,605–2,606 | — | 2 |
| Gage Shale Member | 2,660 | — | 1 |
| Towanda Limestone Member | 2,680 | 2,733 | 1 |
| Fort Riley Limestone Member | 2,746 | 2,784 | 1 |
| Matfield Shale Formation | 2,832 | — | 1 |
| Wreford Limestone Formation | 2,846 | — | 1 |
| Council Grove Group | 2,880–2,940 | — | 2 |
| Speiser Shale Formation | 2,880 | — | 1 |
| Funston Formation | 2,888 | — | 1 |
| Blue Rapids Shale Formation | 2,940 | — | 1 |
| Crouse Limestone Formation | 2,952 | — | 1 |
| Easly Creek Shale Formation | 2,973 | — | 1 |
| Middleburg Limestone Member | 2,979 | — | 1 |
| Hooser Shale Member | 2,998 | — | 1 |
| Eiss Limestone Member | 3,006 | — | 1 |
| Stearns Shale Formation | 3,020 | — | 1 |
| Morrill Limestone Member | 3,024 | — | 1 |
| Florena Shale Member | 3,048 | — | 1 |
| Cottonwood Limestone Member | 3,058 | — | 1 |
| Eskridge Shale Formation | 3,094 | — | 1 |
| Neva Limestone Member | 3,125 | — | 1 |
| Roca Shale Formation | 3,192 | — | 1 |
| Howe Limestone Member | 3,198 | — | 1 |
| Johnson Shale Formation | 3,246 | — | 1 |
| Long Creek Limestone Member | 3,250 | — | 1 |
| Wabaunsee Group | 3,301–3,453 | — | 4 |
| Janesville Shale Formation | 3,322 | — | 1 |
| Falls City Limestone Formation | 3,326 | — | 1 |
| Onaga Shale Formation | 3,336 | — | 1 |
| Pennsylvanian System | 3,346 | — | 1 |
| Root Shale Formation | 3,558 | — | 1 |
| Stotler Limestone Formation | 3,570 | — | 1 |
| Red Shale Bed | 3,637 | — | 1 |
| Severy Shale Formation | 3,716 | — | 1 |
| Shawnee Group | 3,760 | — | 1 |
| Topeka Limestone Formation | 3,760 | — | 1 |
| Heebner Shale Member | 4,172–4,185 | — | 2 |
| Toronto Limestone Member | 4,208–4,210 | — | 2 |
| Lansing Group | 4,320–4,342 | — | 3 |
| Iola Limestone Formation | 4,562 | — | 1 |
| Muncie Creek Shale Member | 4,596 | — | 1 |
| Dewey Limestone Formation | 4,608 | — | 1 |
| Stark Shale Member | 4,810 | — | 1 |
| Swope Limestone Formation | 4,816 | — | 1 |
| Hushpuckney Shale Member | 4,871 | — | 1 |
| Hertha Limestone Formation | 4,877 | — | 1 |
| Mound City Shale Member | 4,922 | — | 1 |
| Exline Limestone Member | 4,926 | — | 1 |
| Pleasanton Group | 5,004 | — | 1 |
| Marmaton Group | 5,018–5,020 | — | 2 |
| Altamont Limestone Formation | 5,044 | 5,052 | 1 |
| Novinger Limestone Bed | 5,086 | 5,086 | 1 |
| Fort Scott Limestone Formation | 5,138 | — | 1 |
| Little Osage Shale Member | 5,174 | — | 1 |
| Cherokee Group | 5,205 | — | 1 |
| Excello Shale Member | 5,205 | — | 1 |
| Middle Morrowan Limestone Bed | 5,547 | — | 2 |
| Upper Kearny Member | 5,547 | — | 1 |
| Keyes Sandstone Bed | 5,705 | — | 1 |
| Middle Morrowan Sandstone Bed | 5,712 | 5,721 | 1 |
| Mississippian System | 5,752–5,755 | — | 2 |
| Chesteran Stage | 5,755 | — | 1 |
| Chesteran Zone C Bed | 5,755 | 5,858 | 1 |
| Chesteran Zone B Bed | 5,858 | 5,942 | 1 |
| Chesteran Sandstone Lower Bed | 5,934–6,009 | — | 2 |
| Chesteran Zone A Bed | 5,942 | 6,078 | 2 |
| Meramecian Stage | 6,078 | — | 1 |
| Ste. Genevieve Limestone Formation | 6,078 | 6,144 | 1 |
| St. Louis Limestone Formation | 6,151 | — | 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. 10 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.166411, -100.803021
37.16641, -100.80302 · 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.