Grilliot 4
API 15075203510000 · Hamilton County, Kansas · WILDCAT field
Converted to SWD Well
API
15075203510000
Operator
Dome Petroleum Corporation
County
Hamilton
Field
WILDCAT
Location
Spudded
1981-02-15
Completed
1981-10-15
Measured depth
5,400 ft
Formation tops
Kansas records 72 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Day Creek Dolomite Formation | 1,360 | 1,372 | 1 |
| Blaine Formation | 1,638 | 1,740 | 1 |
| Cedar Hills Sandstone Formation | 2,010 | 2,106 | 1 |
| Stone Corral Formation | 2,257 | 2,344 | 1 |
| Hollenberg Limestone Member | 2,676 | — | 1 |
| Chase Group | 2,706 | — | 1 |
| Herington Limestone Member | 2,706 | — | 1 |
| Paddock Shale Member | 2,712 | — | 1 |
| Krider Limestone Member | 2,718 | — | 1 |
| Odell Shale Formation | 2,726 | — | 1 |
| Winfield Limestone Formation | 2,750 | — | 1 |
| Gage Shale Member | 2,776 | — | 1 |
| Towanda Limestone Member | 2,790 | — | 1 |
| Fort Riley Limestone Member | 2,831 | 2,838 | 1 |
| Florence Limestone Member | 2,860 | — | 1 |
| Matfield Shale Formation | 2,878 | — | 1 |
| Wreford Limestone Formation | 2,887 | — | 1 |
| Council Grove Group | 2,911 | — | 1 |
| Speiser Shale Formation | 2,911 | — | 1 |
| Funston Formation | 2,943 | — | 1 |
| Blue Rapids Shale Formation | 2,953 | — | 1 |
| Crouse Limestone Formation | 2,973 | — | 1 |
| Easly Creek Shale Formation | 2,978 | — | 1 |
| Middleburg Limestone Member | 2,990 | — | 1 |
| Hooser Shale Member | 3,007 | — | 1 |
| Stearns Shale Formation | 3,040 | — | 1 |
| Morrill Limestone Member | 3,102 | — | 1 |
| Florena Shale Member | 3,104 | — | 1 |
| Cottonwood Limestone Member | 3,113 | — | 1 |
| Eskridge Shale Formation | 3,122 | — | 1 |
| Neva Limestone Member | 3,159 | — | 1 |
| Roca Shale Formation | 3,182 | — | 1 |
| Howe Limestone Member | 3,226 | — | 1 |
| Johnson Shale Formation | 3,258 | — | 1 |
| Long Creek Limestone Member | 3,292 | — | 1 |
| Janesville Shale Formation | 3,310 | — | 1 |
| Falls City Limestone Formation | 3,313 | — | 1 |
| Onaga Shale Formation | 3,330 | — | 1 |
| Wabaunsee Group | 3,338–3,403 | — | 3 |
| Root Shale Formation | 3,475 | — | 1 |
| Stotler Limestone Formation | 3,491 | — | 1 |
| Red Shale Bed | 3,625 | — | 1 |
| Severy Shale Formation | 3,671 | — | 1 |
| Shawnee Group | 3,682 | — | 1 |
| Topeka Limestone Formation | 3,682 | — | 1 |
| Heebner Shale Member | 3,964 | — | 1 |
| Toronto Limestone Member | 3,989 | — | 1 |
| Iatan Limestone Member | 4,024 | — | 1 |
| Lansing Group | 4,083 | — | 1 |
| Iola Limestone Formation | 4,220 | — | 1 |
| Muncie Creek Shale Member | 4,246 | — | 1 |
| Dewey Limestone Formation | 4,256 | 4,272 | 1 |
| Dennis Limestone Formation | 4,334 | — | 1 |
| Stark Shale Member | 4,350 | — | 1 |
| Swope Limestone Formation | 4,363 | — | 1 |
| Hushpuckney Shale Member | 4,398 | — | 1 |
| Hertha Limestone Formation | 4,403 | — | 1 |
| Mound City Shale Member | 4,434 | — | 1 |
| Exline Limestone Member | 4,443 | — | 1 |
| Pleasanton Group | 4,474 | — | 1 |
| Marmaton Group | 4,514 | — | 1 |
| Altamont Limestone Formation | 4,551 | — | 1 |
| Pawnee Limestone Formation | 4,591 | — | 1 |
| Fort Scott Limestone Formation | 4,632 | — | 1 |
| Little Osage Shale Member | 4,654 | — | 1 |
| Cherokee Group | 4,668 | — | 1 |
| Excello Shale Member | 4,668 | — | 1 |
| Upper Kearny Member | 4,983 | — | 1 |
| Middle Morrowan Limestone Bed | 5,164 | — | 1 |
| Meramecian Stage | 5,220 | — | 1 |
| Mississippian System | 5,220 | — | 1 |
| Ste. Genevieve Limestone Formation | 5,220 | — | 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. 1 formation was picked at more than one depth by different Kansas sources, and its range is shown rather than one of the answers.
Location
38.232494, -101.724614
38.23249, -101.72461 · 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.