WILLIAMS 4-1
API 15129209400000 · Morton County, Kansas · WILL-BROS field
Producing
API
15129209400000
Operator
Enterra Resources, LLC
County
Morton
Field
WILL-BROS
Location
Spudded
1988-10-25
Completed
1988-12-12
Measured depth
5,450 ft
Formation tops
Kansas records 83 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Stone Corral Formation | — | 1,650 | 1 |
| Hutchinson Salt Member | 2,033 | — | 1 |
| Hollenberg Limestone Member | 2,228 | — | 1 |
| Chase Group | 2,262 | — | 1 |
| Herington Limestone Member | 2,262 | — | 1 |
| Paddock Shale Member | 2,280 | — | 1 |
| Krider Limestone Member | 2,284 | — | 1 |
| Odell Shale Formation | 2,298 | — | 1 |
| Winfield Limestone Formation | 2,319 | — | 1 |
| Gage Shale Member | 2,363 | — | 1 |
| Towanda Limestone Member | 2,391 | 2,410 | 1 |
| Fort Riley Limestone Member | 2,440 | 2,498 | 1 |
| Florence Limestone Member | 2,498 | — | 1 |
| Matfield Shale Formation | 2,504 | — | 1 |
| Wreford Limestone Formation | 2,524 | — | 1 |
| Council Grove Group | 2,543 | — | 1 |
| Speiser Shale Formation | 2,543 | — | 1 |
| Funston Formation | 2,572 | — | 1 |
| Blue Rapids Shale Formation | 2,596 | — | 1 |
| Crouse Limestone Formation | 2,626 | — | 1 |
| Easly Creek Shale Formation | 2,638 | — | 1 |
| Middleburg Limestone Member | 2,654 | — | 1 |
| Hooser Shale Member | 2,660 | — | 1 |
| Eiss Limestone Member | 2,673 | — | 1 |
| Stearns Shale Formation | 2,680 | — | 1 |
| Morrill Limestone Member | 2,691 | — | 1 |
| Florena Shale Member | 2,694 | — | 1 |
| Cottonwood Limestone Member | 2,714 | — | 1 |
| Eskridge Shale Formation | 2,720 | — | 1 |
| Neva Limestone Member | 2,749 | — | 1 |
| Roca Shale Formation | 2,780 | — | 1 |
| Howe Limestone Member | 2,800 | — | 1 |
| Johnson Shale Formation | 2,824 | — | 1 |
| Long Creek Limestone Member | 2,841 | — | 1 |
| Janesville Shale Formation | 2,865 | — | 1 |
| Falls City Limestone Formation | 2,884 | — | 1 |
| Onaga Shale Formation | 2,920 | — | 1 |
| Topeka Limestone Formation | 2,968–3,304 | — | 2 |
| Wabaunsee Group | 2,968–3,006 | — | 4 |
| Root Shale Formation | 3,122 | — | 1 |
| Stotler Limestone Formation | 3,128 | — | 1 |
| Red Shale Bed | 3,209 | — | 1 |
| Severy Shale Formation | 3,295 | — | 1 |
| Shawnee Group | 3,304 | — | 1 |
| Heebner Shale Member | 3,682 | — | 2 |
| Toronto Limestone Member | 3,697 | — | 1 |
| Haskell Limestone Member | 3,728 | — | 1 |
| Iatan Limestone Member | 3,728 | — | 1 |
| Lansing Group | 3,779–3,787 | — | 3 |
| Iola Limestone Formation | 3,973 | — | 1 |
| Muncie Creek Shale Member | 4,036 | — | 1 |
| Dewey Limestone Formation | 4,038 | — | 1 |
| Dennis Limestone Formation | 4,181 | — | 1 |
| Stark Shale Member | 4,210 | — | 1 |
| Swope Limestone Formation | 4,213 | — | 1 |
| Hushpuckney Shale Member | 4,250 | — | 1 |
| Hertha Limestone Formation | 4,256 | — | 1 |
| Mound City Shale Member | 4,298 | — | 1 |
| Exline Limestone Member | 4,320 | — | 1 |
| Pleasanton Group | 4,353–4,369 | — | 2 |
| Marmaton Group | 4,384–4,385 | — | 2 |
| Altamont Limestone Formation | 4,422 | — | 1 |
| Novinger Limestone Bed | 4,480 | — | 1 |
| Fort Scott Limestone Formation | 4,529 | — | 1 |
| Little Osage Shale Member | 4,550 | — | 1 |
| Cherokee Group | 4,571–4,572 | — | 2 |
| Excello Shale Member | 4,571 | — | 1 |
| Verdigris Limestone Member | 4,661 | — | 1 |
| Atoka Shale Bed | 4,830 | — | 1 |
| Atokan Stage | 4,830 | — | 1 |
| B/14' LM | — | 4,976 | 1 |
| Middle Morrowan Limestone Bed | 5,005–5,312 | — | 3 |
| Upper Kearny Member | 5,024 | — | 2 |
| Morrowan B Sandstone Bed | 5,061 | 5,085 | 1 |
| Morrowan C Sandstone Bed | 5,135 | — | 1 |
| Morrowan D Sandstone Bed | 5,226 | — | 1 |
| Keyes Sandstone Bed | 5,386 | 5,418 | 1 |
| Chesteran Stage | 5,400–5,418 | — | 2 |
| Mississippian System | 5,400–5,418 | — | 2 |
| Chesteran Zone A Bed | 5,418 | — | 1 |
| Chesteran Zone D Bed | 5,418 | — | 1 |
| Meramecian Stage | 5,426 | — | 1 |
| Ste. Genevieve Limestone Formation | 5,426 | — | 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. 9 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.375758, -101.675904
37.37576, -101.67590 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Morton County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.