LIGHT UNIT 1
API 15175000240000 · Seward County, Kansas · THREE STAR field
Converted to Producing Well
API
15175000240000
Operator
Petroleum Inc
County
Seward
Field
THREE STAR
Location
Spudded
1959-06-13
Completed
1959-07-16
Measured depth
6,420 ft
Formation tops
Kansas records 67 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Hollenberg Limestone Member | 2,616 | — | 1 |
| Chase Group | 2,640 | — | 1 |
| Herington Limestone Member | 2,640 | — | 1 |
| Paddock Shale Member | 2,649 | — | 1 |
| Krider Limestone Member | 2,664 | — | 1 |
| Odell Shale Formation | 2,720 | — | 1 |
| Winfield Limestone Formation | 2,731 | — | 1 |
| Gage Shale Member | 2,777 | — | 1 |
| Towanda Limestone Member | 2,793 | 2,843 | 1 |
| Fort Riley Limestone Member | 2,846 | 2,915 | 1 |
| Florence Limestone Member | 2,915 | — | 1 |
| Matfield Shale Formation | 2,944 | — | 1 |
| Wreford Limestone Formation | 2,954 | — | 1 |
| Council Grove Group | 2,993 | — | 1 |
| Speiser Shale Formation | 2,993 | — | 1 |
| Funston Formation | 3,007 | — | 1 |
| Blue Rapids Shale Formation | 3,062 | — | 1 |
| Crouse Limestone Formation | 3,076 | — | 1 |
| Easly Creek Shale Formation | 3,088 | — | 1 |
| Middleburg Limestone Member | 3,104 | — | 1 |
| Hooser Shale Member | 3,116 | — | 1 |
| Eiss Limestone Member | 3,127 | — | 1 |
| Stearns Shale Formation | 3,139 | — | 1 |
| Morrill Limestone Member | 3,144 | — | 1 |
| Florena Shale Member | 3,177 | — | 1 |
| Cottonwood Limestone Member | 3,182 | — | 1 |
| Eskridge Shale Formation | 3,224 | — | 1 |
| Neva Limestone Member | 3,271 | — | 1 |
| Roca Shale Formation | 3,337 | — | 1 |
| Howe Limestone Member | 3,343 | — | 1 |
| Johnson Shale Formation | 3,380 | — | 1 |
| Long Creek Limestone Member | 3,405 | — | 1 |
| Falls City Limestone Formation | 3,447 | — | 1 |
| Wabaunsee Group | 3,497–3,536 | — | 3 |
| Heebner Shale Member | 4,361–4,370 | — | 2 |
| Toronto Limestone Member | 4,405–4,415 | — | 2 |
| Iatan Limestone Member | 4,454 | — | 1 |
| Lansing Group | 4,529–4,535 | — | 3 |
| Iola Limestone Formation | 4,754 | — | 1 |
| Muncie Creek Shale Member | 4,786 | — | 1 |
| Dewey Limestone Formation | 4,809 | — | 1 |
| Dennis Limestone Formation | 4,902 | — | 1 |
| Stark Shale Member | 5,002 | — | 1 |
| Swope Limestone Formation | 5,009 | — | 1 |
| Hushpuckney Shale Member | 5,072 | — | 1 |
| Hertha Limestone Formation | 5,078 | — | 1 |
| Mound City Shale Member | 5,147 | — | 1 |
| Pleasanton Group | 5,200 | — | 1 |
| Marmaton Group | 5,211–5,220 | — | 2 |
| Altamont Limestone Formation | 5,255 | — | 1 |
| Pawnee Limestone Formation | 5,304 | — | 1 |
| Fort Scott Limestone Formation | 5,351 | — | 1 |
| Little Osage Shale Member | 5,433 | — | 1 |
| Cherokee Group | 5,498 | — | 1 |
| Excello Shale Member | 5,498–5,507 | — | 2 |
| Atokan Stage | 5,656 | — | 1 |
| Atoka Shale Bed | 5,690 | — | 1 |
| Middle Morrowan Limestone Bed | 5,846–6,003 | — | 3 |
| Upper Kearny Member | 5,846 | — | 1 |
| Middle Morrowan Sandstone Bed | 6,044 | 6,080 | 1 |
| Keyes Sandstone Bed | 6,066 | — | 1 |
| Chesteran Zone D Bed | 6,079 | 6,106 | 1 |
| Mississippian System | 6,080–6,106 | — | 2 |
| Chesteran Zone C Bed | 6,106 | 6,227 | 1 |
| Chesteran Zone B Bed | 6,227 | 6,370 | 1 |
| Chesteran Zone A Bed | 6,370 | — | 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. 8 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.014189, -100.818390
37.01419, -100.81839 · 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.