GEORGE M. COFFEY UNIT 3
API 15067208920000 · Grant County, Kansas · HUGOTON GAS AREA field
Producing
API
15067208920000
Operator
Eiger Operating Company, LLC
County
Grant
Field
HUGOTON GAS AREA
Location
Spudded
1989-04-29
Completed
1989-05-17
Measured depth
2,665 ft
Formation tops
Kansas records 21 formations for this well, shallowest first.
| Formation | Top (ft) | Base (ft) | Picks |
|---|---|---|---|
| Day Creek Dolomite Formation | 862 | — | 1 |
| Blaine Formation | 1,204 | 1,300 | 1 |
| Cedar Hills Sandstone Formation | 1,352 | 1,420 | 1 |
| Stone Corral Formation | 1,678 | 1,770 | 1 |
| Wellington Formation | 2,070 | — | 1 |
| Hutchinson Salt Member | 2,162 | — | 1 |
| Hollenberg Limestone Member | 2,333 | — | 1 |
| Chase Group | 2,358 | — | 2 |
| Herington Limestone Member | 2,358 | — | 1 |
| Paddock Shale Member | 2,376 | — | 1 |
| Krider Limestone Member | 2,378–2,385 | — | 2 |
| Odell Shale Formation | 2,396 | — | 1 |
| Winfield Limestone Formation | 2,420–2,434 | 2,434 | 3 |
| Gage Shale Member | 2,446 | — | 1 |
| Towanda Limestone Member | 2,482 | 2,514 | 1 |
| Fort Riley Limestone Member | 2,532 | — | 1 |
| Matfield Shale Formation | 2,596 | — | 1 |
| Wreford Limestone Formation | 2,615 | — | 1 |
| Council Grove Group | 2,635 | — | 1 |
| Speiser Shale Formation | 2,635 | — | 1 |
| Funston Formation | 2,658 | — | 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. 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
37.652778, -101.494336
37.65278, -101.49434 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom
Every well in Grant County, Kansas
Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.