Roberts 'A' 1
API 15189203520000 · Stevens County, Kansas · Center Northwest field
Plugged and AbandonedPlugged 1991-02-15
API
15189203520000
Operator
Anadarko Petroleum Corporation
County
Stevens
Field
Center Northwest
Location
Spudded
1977-06-21
Completed
1977-08-26
Plugged
1991-02-15
Measured depth
6,600 ft
Formation tops
Kansas records 81 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Wellington Formation | 2,208 | — | 1 |
| Hutchinson Salt Member | 2,308 | — | 1 |
| Hollenberg Limestone Member | 2,532 | — | 1 |
| Chase Group | 2,558 | — | 1 |
| Herington Limestone Member | 2,558 | — | 1 |
| Paddock Shale Member | 2,579 | — | 1 |
| Krider Limestone Member | 2,589 | — | 1 |
| Odell Shale Formation | 2,631 | — | 1 |
| Winfield Limestone Formation | 2,644–2,646 | 2,644 | 3 |
| Gage Shale Member | 2,675 | — | 1 |
| Towanda Limestone Member | 2,698 | 2,745 | 1 |
| Fort Riley Limestone Member | 2,754 | 2,803 | 1 |
| Florence Limestone Member | 2,809 | — | 1 |
| Matfield Shale Formation | 2,824 | — | 1 |
| Wreford Limestone Formation | 2,843 | — | 1 |
| Council Grove Group | 2,866–2,874 | — | 2 |
| Speiser Shale Formation | 2,874 | — | 1 |
| Funston Formation | 2,882 | — | 1 |
| A1_LM | 2,894 | — | 1 |
| Blue Rapids Shale Formation | 2,932 | — | 1 |
| Crouse Limestone Formation | 2,944 | — | 1 |
| Easly Creek Shale Formation | 2,961 | — | 1 |
| Middleburg Limestone Member | 2,969 | — | 1 |
| B2_LM | 2,971 | — | 1 |
| Hooser Shale Member | 2,971 | — | 1 |
| B3_SH | 2,981 | — | 1 |
| Eiss Limestone Member | 2,993 | — | 1 |
| B4_SH | 3,000 | — | 1 |
| Stearns Shale Formation | 3,004 | — | 1 |
| Morrill Limestone Member | 3,008 | — | 1 |
| Florena Shale Member | 3,018 | — | 1 |
| Cottonwood Limestone Member | 3,022 | — | 1 |
| Eskridge Shale Formation | 3,041 | — | 1 |
| Neva Limestone Member | 3,060 | — | 1 |
| Roca Shale Formation | 3,108 | — | 1 |
| Howe Limestone Member | 3,123 | — | 1 |
| Johnson Shale Formation | 3,154 | — | 1 |
| Long Creek Limestone Member | 3,168 | — | 1 |
| Janesville Shale Formation | 3,203 | — | 1 |
| Falls City Limestone Formation | 3,226 | — | 1 |
| Wabaunsee Group | 3,282–3,343 | — | 4 |
| Root Shale Formation | 3,374–3,450 | — | 2 |
| Stotler Limestone Formation | 3,460 | — | 1 |
| Red Shale Bed | 3,564 | — | 1 |
| Severy Shale Formation | 3,646 | — | 1 |
| Shawnee Group | 3,655 | — | 1 |
| Topeka Limestone Formation | 3,655 | — | 1 |
| Heebner Shale Member | 4,112 | — | 2 |
| Toronto Limestone Member | 4,139 | — | 1 |
| Iatan Limestone Member | 4,162 | — | 1 |
| Lansing Group | 4,237–4,239 | — | 3 |
| Iola Limestone Formation | 4,492 | — | 1 |
| Muncie Creek Shale Member | 4,531 | — | 1 |
| Dewey Limestone Formation | 4,534 | 4,551 | 1 |
| Cherryvale Shale Formation | 4,598 | — | 1 |
| Dennis Limestone Formation | 4,660 | — | 1 |
| Stark Shale Member | 4,762 | — | 1 |
| Swope Limestone Formation | 4,765 | — | 1 |
| Hushpuckney Shale Member | 4,792 | — | 1 |
| Hertha Limestone Formation | 4,796 | — | 1 |
| Mound City Shale Member | 4,848 | — | 1 |
| Exline Limestone Member | 4,860 | — | 1 |
| Pleasanton Group | 4,920 | — | 1 |
| Marmaton Group | 4,941–4,943 | — | 2 |
| Altamont Limestone Formation | 4,986 | — | 1 |
| Fort Scott Limestone Formation | 5,114 | — | 1 |
| Little Osage Shale Member | 5,162 | — | 1 |
| Cherokee Group | 5,164–5,207 | — | 2 |
| Excello Shale Member | 5,207 | — | 1 |
| Verdigris Limestone Member | 5,309 | — | 1 |
| Atoka Limestone Bed | 5,412 | — | 1 |
| Atoka Shale Bed | 5,489 | — | 1 |
| Upper Kearny Member | 5,682 | — | 1 |
| Middle Morrowan Limestone Bed | 5,685–6,015 | — | 3 |
| Keyes Sandstone Bed | 6,015 | — | 1 |
| Chesteran Stage | 6,132–6,150 | — | 2 |
| Mississippian System | 6,132–6,150 | — | 2 |
| Meramecian Stage | 6,288 | — | 1 |
| Ste. Genevieve Limestone Formation | 6,288–6,353 | — | 3 |
| St. Louis Limestone Formation | 6,426–6,486 | — | 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. 12 formations were picked at more than one depth by different Kansas sources, and their range is shown rather than one of the answers.
Location
37.158761, -101.365968
37.15876, -101.36597 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Stevens County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.