DOWNING #1-35
API 3505322371 · Grant County, Oklahoma
Drilling permits
Oklahoma files 3 applications to drill this well, naming 20 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 2001-03-29
WRADRTarget formations
| Formation | Expected top (ft) |
|---|---|
| DOUGLAS | 3,260 |
| TONKAWA | 3,626 |
| COTTAGE GROVE | 4,015 |
| CLEVELAND | 4,150 |
| OSWEGO | 4,320 |
| CHEROKEE GP | 4,650 |
| MISSISSIPPI CHAT | 4,700 |
| MISSISSIPPI SOLID | 4,720 |
| SIMPSON | 5,300 |
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 2001-03-29
WRAAMTarget formations
| Formation | Expected top (ft) |
|---|---|
| DOUGLAS | 3,260 |
| TONKAWA | 3,626 |
| COTTAGE GROVE | 4,015 |
| CLEVELAND | 4,150 |
| OSWEGO | 4,320 |
| CHEROKEE GP | 4,650 |
| MISSISSIPPI CHAT | 4,700 |
| MISSISSIPPI SOLID | 4,720 |
| SIMPSON GP | 5,300 |
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 2005-09-27
WRARCTarget formations
| Formation | Expected top (ft) |
|---|---|
| MISSISSIPPI CHAT | 4,698 |
| MISSISSIPPI SOLID | 4,720 |
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
36.950801, -97.811321
Every well in Grant County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.