Stoll 1-27
API 15175211050000 · Seward County, Kansas · THIRTY-ONE SOUTHWEST field
Inactive Well
API
15175211050000
Operator
Oil Producers, Inc. of Kansas
County
Seward
Field
THIRTY-ONE SOUTHWEST
Location
Permit
01-SEP-1989
Spudded
1989-09-10
Completed
1989-10-17
Measured depth
5,900 ft
Formation tops
Kansas records 80 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Blaine Formation | 1,069 | 1,110 | 1 |
| Cedar Hills Sandstone Formation | 1,208 | 1,332 | 1 |
| Stone Corral Formation | — | 1,720 | 1 |
| Wellington Formation | 2,184 | — | 1 |
| Hutchinson Salt Member | 2,350 | — | 1 |
| Hollenberg Limestone Member | 2,618 | — | 1 |
| Chase Group | 2,646 | — | 1 |
| Herington Limestone Member | 2,646 | — | 1 |
| Paddock Shale Member | 2,668 | — | 1 |
| Krider Limestone Member | 2,678 | — | 1 |
| Odell Shale Formation | 2,713 | — | 1 |
| Winfield Limestone Formation | 2,725 | — | 1 |
| Gage Shale Member | 2,754 | — | 1 |
| Towanda Limestone Member | 2,770 | 2,828 | 1 |
| Fort Riley Limestone Member | 2,842 | 2,898 | 1 |
| Matfield Shale Formation | 2,918 | — | 1 |
| Wreford Limestone Formation | 2,934 | — | 1 |
| Council Grove Group | 2,965 | — | 1 |
| Speiser Shale Formation | 2,965 | — | 1 |
| Funston Formation | 2,975 | — | 1 |
| Blue Rapids Shale Formation | 3,017 | — | 1 |
| Crouse Limestone Formation | 3,028 | — | 1 |
| Easly Creek Shale Formation | 3,044 | — | 1 |
| Middleburg Limestone Member | 3,048 | — | 1 |
| Hooser Shale Member | 3,061 | — | 1 |
| Eiss Limestone Member | 3,072 | — | 1 |
| Stearns Shale Formation | 3,082 | — | 1 |
| Morrill Limestone Member | 3,086 | — | 1 |
| Florena Shale Member | 3,108 | — | 1 |
| Cottonwood Limestone Member | 3,112 | — | 1 |
| Eskridge Shale Formation | 3,153 | — | 1 |
| Neva Limestone Member | 3,174 | — | 1 |
| Roca Shale Formation | 3,237 | — | 1 |
| Howe Limestone Member | 3,253 | — | 1 |
| Johnson Shale Formation | 3,284 | — | 1 |
| Long Creek Limestone Member | 3,286 | — | 1 |
| Janesville Shale Formation | 3,324 | — | 1 |
| Falls City Limestone Formation | 3,345 | — | 1 |
| Onaga Shale Formation | 3,359 | — | 1 |
| Pennsylvanian System | 3,367 | — | 1 |
| Wabaunsee Group | 3,367–3,434 | — | 3 |
| Root Shale Formation | 3,506 | — | 1 |
| Stotler Limestone Formation | 3,508 | — | 1 |
| Red Shale Bed | 3,644 | — | 1 |
| Severy Shale Formation | 3,746 | — | 1 |
| Shawnee Group | 3,750 | — | 1 |
| Topeka Limestone Formation | 3,750 | — | 1 |
| Heebner Shale Member | 4,215 | — | 1 |
| Toronto Limestone Member | 4,230 | — | 1 |
| Iatan Limestone Member | 4,278 | — | 1 |
| Lansing Group | 4,278–4,322 | — | 3 |
| Iola Limestone Formation | 4,524 | — | 1 |
| Muncie Creek Shale Member | 4,590 | — | 1 |
| Dewey Limestone Formation | 4,614 | — | 1 |
| Stark Shale Member | 4,804 | — | 1 |
| Swope Limestone Formation | 4,818 | — | 1 |
| Hushpuckney Shale Member | 4,836 | — | 1 |
| Hertha Limestone Formation | 4,851 | — | 1 |
| Mound City Shale Member | 4,884 | — | 1 |
| Exline Limestone Member | 4,893 | — | 1 |
| Pleasanton Group | 4,933 | — | 1 |
| Marmaton Group | 4,950 | — | 1 |
| Fort Scott Limestone Formation | 5,062 | — | 1 |
| Little Osage Shale Member | 5,094 | — | 1 |
| Cherokee Group | 5,117 | — | 1 |
| Excello Shale Member | 5,117 | — | 1 |
| Atoka Shale Bed | 5,382 | — | 1 |
| Atokan Stage | 5,432 | — | 2 |
| Middle Morrowan Limestone Bed | 5,462–5,486 | — | 6 |
| Upper Kearny Member | 5,462 | — | 1 |
| Middle Morrowan Sandstone Bed | 5,534 | 5,555 | 1 |
| Chesteran Stage | 5,577 | — | 1 |
| Keyes Sandstone Bed | 5,577 | — | 2 |
| Chesteran Zone B Bed | 5,594–5,664 | — | 3 |
| Mississippian System | 5,594–5,598 | — | 3 |
| Chesteran Zone A Bed | 5,598 | — | 3 |
| Meramecian Stage | 5,708–5,710 | — | 3 |
| Ste. Genevieve Limestone Formation | 5,708–5,710 | 5,764 | 3 |
| St. Louis Limestone Formation | 5,772–5,780 | — | 3 |
| 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
37.326887, -100.794179
37.32689, -100.79418 · 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.