MARSHALL-CRADDOCK #1-21
API 3505122734 · Grady County, Oklahoma
Drilling permits
Oklahoma files 3 applications to drill this well, naming 14 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 1997-12-19
WRADRTarget formations
| Formation | Expected top (ft) |
|---|---|
| MARCHAND | 10,400 |
| ATOKA | 12,300 |
| SPRINGER | 14,500 |
| SYCAMORE | 17,550 |
| WOODFORD | 17,800 |
| HUNTON | 18,050 |
| SYLVAN | 18,350 |
| VIOLA | 18,650 |
| BROMIDE 1 | 19,300 |
| OIL CREEK BAS | 20,300 |
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 2001-11-08
WRAAMTarget formations
| Formation | Expected top (ft) |
|---|---|
| BROMIDE | 18,982 |
| BROMIDE | 19,318 |
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 2017-06-28
WRARCStraight holeTarget formations
| Formation | Expected top (ft) |
|---|---|
| MARCHAND | 10,450 |
| DEESE | 10,940 |
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
34.895375, -97.939650
Every well in Grady County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.