St. Columbans 2-12
API 15075205120000 · Hamilton County, Kansas · BRADSHAW GAS AREA field
Recompleted
API
15075205120000
Operator
Chesapeake Operating, LLC
County
Hamilton
Field
BRADSHAW GAS AREA
Location
Permit
04-OCT-1993
Spudded
1993-10-22
Completed
1994-04-21
Measured depth
5,550 ft
Formation tops
Kansas records 80 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Blaine Formation | 1,599 | 1,708 | 1 |
| Blaine Salt Bed | 1,712 | 1,956 | 2 |
| Cedar Hills Sandstone Formation | 1,982 | 2,070 | 1 |
| Stone Corral Formation | 2,220 | 2,304 | 1 |
| Wellington Formation | 2,494 | — | 1 |
| Hutchinson Salt Member | 2,532 | — | 1 |
| Hollenberg Limestone Member | 2,662 | — | 1 |
| Chase Group | 2,694 | — | 2 |
| Herington Limestone Member | 2,694 | — | 1 |
| Paddock Shale Member | 2,701 | — | 1 |
| Krider Limestone Member | 2,712 | — | 1 |
| Odell Shale Formation | 2,715 | — | 1 |
| Winfield Limestone Formation | 2,738 | — | 1 |
| Gage Shale Member | 2,765 | — | 1 |
| Towanda Limestone Member | 2,784 | 2,834 | 1 |
| Fort Riley Limestone Member | 2,820 | 2,834 | 1 |
| Florence Limestone Member | 2,847 | — | 1 |
| Matfield Shale Formation | 2,870 | — | 1 |
| Wreford Limestone Formation | 2,880 | — | 1 |
| Council Grove Group | 2,904 | — | 1 |
| Speiser Shale Formation | 2,904 | — | 1 |
| Funston Formation | 2,942 | — | 1 |
| Blue Rapids Shale Formation | 2,951 | — | 1 |
| Crouse Limestone Formation | 2,970 | — | 1 |
| Easly Creek Shale Formation | 2,975 | — | 1 |
| Middleburg Limestone Member | 2,996 | — | 1 |
| Hooser Shale Member | 3,005 | — | 1 |
| Eiss Limestone Member | 3,042 | — | 1 |
| Stearns Shale Formation | 3,042 | — | 1 |
| Morrill Limestone Member | 3,091 | — | 1 |
| Florena Shale Member | 3,099 | — | 1 |
| Cottonwood Limestone Member | 3,113 | — | 1 |
| Eskridge Shale Formation | 3,119 | — | 1 |
| Neva Limestone Member | 3,158 | — | 1 |
| Roca Shale Formation | 3,180 | — | 1 |
| Howe Limestone Member | 3,223 | — | 1 |
| Johnson Shale Formation | 3,256 | — | 1 |
| Long Creek Limestone Member | 3,289 | — | 1 |
| Janesville Shale Formation | 3,309 | — | 1 |
| Falls City Limestone Formation | 3,314 | — | 1 |
| Onaga Shale Formation | 3,330–3,336 | — | 2 |
| Wabaunsee Group | 3,336–3,402 | — | 3 |
| Root Shale Formation | 3,450–3,482 | — | 2 |
| Stotler Limestone Formation | 3,501 | — | 1 |
| Red Shale Bed | 3,636 | — | 2 |
| Severy Shale Formation | 3,684 | — | 1 |
| Shawnee Group | 3,698–3,784 | — | 2 |
| Topeka Limestone Formation | 3,698 | — | 1 |
| Heebner Shale Member | 3,994 | — | 1 |
| Toronto Limestone Member | 4,013 | — | 1 |
| Iatan Limestone Member | 4,058 | — | 1 |
| Lansing Group | 4,114 | — | 2 |
| Iola Limestone Formation | 4,239 | — | 1 |
| Muncie Creek Shale Member | 4,272 | — | 1 |
| Dewey Limestone Formation | 4,280 | 4,296 | 1 |
| Dennis Limestone Formation | 4,361 | — | 1 |
| Stark Shale Member | 4,389 | — | 1 |
| Swope Limestone Formation | 4,400 | — | 1 |
| Hushpuckney Shale Member | 4,432 | — | 1 |
| Hertha Limestone Formation | 4,441 | — | 1 |
| Mound City Shale Member | 4,468 | — | 1 |
| Exline Limestone Member | 4,490 | — | 1 |
| Pleasanton Group | 4,514 | — | 1 |
| Marmaton Group | 4,552–4,572 | — | 2 |
| Altamont Limestone Formation | 4,588 | — | 1 |
| Pawnee Limestone Formation | 4,618 | — | 1 |
| Fort Scott Limestone Formation | 4,661 | — | 1 |
| Little Osage Shale Member | 4,684 | — | 1 |
| Cherokee Group | 4,703 | — | 1 |
| Excello Shale Member | 4,703 | — | 1 |
| Verdigris Limestone Member | 4,744 | — | 1 |
| Atoka Limestone Bed | 4,790 | — | 1 |
| Atokan Stage | 4,828 | — | 1 |
| Atoka Shale Bed | 4,868 | — | 1 |
| Upper Kearny Member | 5,058 | — | 1 |
| Middle Morrowan Limestone Bed | 5,265 | — | 1 |
| Meramecian Stage | 5,285 | — | 1 |
| Mississippian System | 5,285 | — | 1 |
| Ste. Genevieve Limestone Formation | 5,285 | — | 1 |
| St. Louis Limestone Formation | 5,386 | — | 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. 5 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
38.157237, -101.775676
38.15724, -101.77568 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Hamilton County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.