Helmley 'A' 1
API 15189211450000 · Stevens County, Kansas · LARRABEE NORTHWEST field
Plugged and AbandonedPlugged 2018-01-16
API
15189211450000
Operator
Nuoil Co., Inc.
County
Stevens
Field
LARRABEE NORTHWEST
Location
Spudded
1987-12-28
Completed
1988-03-22
Plugged
2018-01-16
Measured depth
6,225 ft
Formation tops
Kansas records 31 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Heebner Shale Member | 4,141–4,142 | — | 2 |
| Toronto Limestone Member | 4,160 | — | 1 |
| Iatan Limestone Member | 4,207 | — | 1 |
| Lansing Group | 4,264 | — | 1 |
| Iola Limestone Formation | 4,458 | — | 1 |
| Muncie Creek Shale Member | 4,520 | — | 1 |
| Dewey Limestone Formation | 4,538 | — | 1 |
| Stark Shale Member | 4,744 | — | 1 |
| Swope Limestone Formation | 4,756 | — | 1 |
| Hushpuckney Shale Member | 4,813 | — | 1 |
| Hertha Limestone Formation | 4,839 | — | 1 |
| Pleasanton Group | 4,932 | — | 1 |
| Marmaton Group | 4,950 | — | 1 |
| Altamont Limestone Formation | 4,985 | — | 1 |
| Novinger Limestone Bed | 5,037 | — | 1 |
| Fort Scott Limestone Formation | 5,094 | — | 1 |
| Little Osage Shale Member | 5,134 | — | 1 |
| Cherokee Group | 5,162 | — | 1 |
| Excello Shale Member | 5,162 | — | 1 |
| Atoka Shale Bed | 5,417 | — | 1 |
| Middle Morrowan Limestone Bed | 5,552–5,706 | — | 3 |
| Upper Kearny Member | 5,552 | — | 1 |
| Chesteran Stage | 5,858 | — | 1 |
| Chesteran Zone C Bed | 5,858–5,876 | — | 2 |
| Mississippian System | 5,858 | — | 2 |
| Chesteran Zone B Bed | 5,904–6,052 | 5,985 | 3 |
| Chesteran Sandstone Lower Bed | 5,969–6,035 | — | 2 |
| Chesteran Zone A Bed | 5,985–5,986 | 6,087 | 3 |
| Meramecian Stage | 6,087 | — | 1 |
| Ste. Genevieve Limestone Formation | 6,087–6,088 | — | 2 |
| St. Louis Limestone Formation | 6,148–6,178 | — | 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. 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
37.299454, -101.104936
37.29945, -101.10494 · 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.