Wilbur 2-33
API 15069202020000 · Gray County, Kansas · ULLOM field
Producing
API
15069202020000
Operator
Prater Oil & Gas Operations, Inc.
County
Gray
Field
ULLOM
Location
Spudded
1987-01-21
Completed
1987-09-29
Measured depth
5,200 ft
Formation tops
Kansas records 72 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Blaine Formation | 1,074 | 1,174 | 1 |
| Cedar Hills Sandstone Formation | 1,234 | 1,396 | 1 |
| Stone Corral Formation | 1,687 | 1,766 | 1 |
| Wellington Formation | 2,164 | — | 1 |
| Hollenberg Limestone Member | 2,593 | — | 1 |
| Chase Group | 2,622 | — | 1 |
| Herington Limestone Member | 2,622 | — | 1 |
| Paddock Shale Member | 2,635 | — | 1 |
| Krider Limestone Member | 2,642 | — | 1 |
| Odell Shale Formation | 2,669 | — | 1 |
| Winfield Limestone Formation | 2,682 | — | 1 |
| Gage Shale Member | 2,714 | — | 1 |
| Towanda Limestone Member | 2,735 | 2,774 | 1 |
| Fort Riley Limestone Member | 2,791 | 2,825 | 1 |
| Florence Limestone Member | 2,834 | — | 1 |
| Matfield Shale Formation | 2,865 | — | 1 |
| Wreford Limestone Formation | 2,884 | — | 1 |
| Council Grove Group | 2,921 | — | 1 |
| Speiser Shale Formation | 2,921 | — | 1 |
| Funston Formation | 2,932 | — | 1 |
| Blue Rapids Shale Formation | 2,966 | — | 1 |
| Crouse Limestone Formation | 2,978 | — | 1 |
| Easly Creek Shale Formation | 2,996 | — | 1 |
| Middleburg Limestone Member | 3,005 | — | 1 |
| Hooser Shale Member | 3,020 | — | 1 |
| Eiss Limestone Member | 3,028 | — | 1 |
| Stearns Shale Formation | 3,038 | — | 1 |
| Morrill Limestone Member | 3,044 | — | 1 |
| Florena Shale Member | 3,054 | — | 1 |
| Cottonwood Limestone Member | 3,056 | — | 1 |
| Eskridge Shale Formation | 3,102 | — | 1 |
| Neva Limestone Member | 3,120 | — | 1 |
| Roca Shale Formation | 3,178 | — | 1 |
| Howe Limestone Member | 3,190 | — | 1 |
| Johnson Shale Formation | 3,214 | — | 1 |
| Long Creek Limestone Member | 3,234 | — | 1 |
| Wabaunsee Group | 3,295 | — | 2 |
| Root Shale Formation | 3,436 | — | 1 |
| Stotler Limestone Formation | 3,480 | — | 1 |
| Red Shale Bed | 3,603 | — | 1 |
| Severy Shale Formation | 3,673 | — | 1 |
| Shawnee Group | 3,676 | — | 1 |
| Topeka Limestone Formation | 3,676 | — | 1 |
| Heebner Shale Member | 4,106 | — | 1 |
| Toronto Limestone Member | 4,126 | — | 1 |
| Iatan Limestone Member | 4,167 | — | 1 |
| Lansing Group | 4,204 | — | 2 |
| Iola Limestone Formation | 4,351 | — | 1 |
| Muncie Creek Shale Member | 4,382 | — | 1 |
| Dewey Limestone Formation | 4,403 | 4,416 | 1 |
| Dennis Limestone Formation | 4,448 | — | 1 |
| Stark Shale Member | 4,501 | — | 1 |
| Swope Limestone Formation | 4,509 | — | 1 |
| Hushpuckney Shale Member | 4,546 | — | 1 |
| Hertha Limestone Formation | 4,560 | — | 1 |
| Mound City Shale Member | 4,605 | — | 1 |
| Exline Limestone Member | 4,611 | — | 1 |
| Pleasanton Group | 4,667 | — | 1 |
| Marmaton Group | 4,685 | — | 1 |
| Altamont Limestone Formation | 4,714 | — | 1 |
| Pawnee Limestone Formation | 4,745 | — | 1 |
| Fort Scott Limestone Formation | 4,772 | — | 1 |
| Little Osage Shale Member | 4,795 | — | 1 |
| Cherokee Group | 4,814 | — | 1 |
| Excello Shale Member | 4,814 | — | 1 |
| Verdigris Limestone Member | 4,850 | — | 1 |
| Atoka Limestone Bed | 4,883 | — | 1 |
| Meramecian Stage | 4,972 | — | 1 |
| Mississippian System | 4,972 | — | 1 |
| Upper Kearny Member | 4,972 | — | 1 |
| Ste. Genevieve Limestone Formation | 4,979–5,069 | — | 2 |
| St. Louis Limestone Formation | 5,074–5,105 | — | 2 |
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. 2 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.662227, -100.494618
37.66223, -100.49462 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Gray County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.