GRAYBILL #1-28
API 3504322687 · Dewey County, Oklahoma
Drilling permits
Oklahoma files 3 applications to drill this well, naming 11 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.
Filed 1999-10-20
WRADRTarget formations
| Formation | Expected top (ft) |
|---|---|
| DOUGLAS | 7,620 |
| TONKAWA | 8,340 |
| COTTAGE GROVE | 9,060 |
| CLEVELAND | 10,020 |
| PRUE | 10,760 |
An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.
Filed 1999-10-20
WRAAMTarget formations
| Formation | Expected top (ft) |
|---|---|
| DOUGLAS | 7,620 |
| TONKAWA | 8,340 |
| COTTAGE GROVE | 9,060 |
| CLEVELAND | 10,020 |
| PRUE | 10,760 |
An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.
Filed 2000-10-09
WRARCTarget formation
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 8,320 |
An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.
Location
35.828005, -99.340760
Every well in Dewey County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.