Herrold 8
API 15065017790000 · Graham County, Kansas · Cooper field
Producing
API
15065017790000
Operator
Farmer, John O., Inc.
County
Graham
Field
Cooper
Location
Spudded
1954-03-26
Completed
1954-04-06
Measured depth
3,725 ft
Formation tops
Kansas records 8 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Topeka Limestone Formation | 3,175 | — | 1 |
| Heebner Shale Member | 3,376 | — | 1 |
| Toronto Limestone Member | 3,402 | — | 1 |
| Lansing Group | 3,418 | — | 1 |
| Kansas City Group | — | 3,646 | 1 |
| Base Morrowan Member | — | 3,694 | 1 |
| Simpson Group | 3,704 | — | 1 |
| Arbuckle Group | 3,719–3,720 | — | 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. 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
39.157102, -99.615330
39.15710, -99.61533 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Graham County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.