CHESTER #21A-4
API 3510922043 · Oklahoma County, Oklahoma
ACOIL
Drilling permit
Oklahoma files 1 application to drill this well, naming 10 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 1997-04-16
WRADRPermit API
35109220430000
Operator
WINDSOR ENERGY GROUP LLC
Well type
OIL
Approved
1997-04-16
Expires
1997-10-30
Proposed depth
6,100 ft
Surface casing
940 ft
Ground elevation
1,195 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| HOGSHOOTER | 4,740 |
| TRUE LAYTON | 4,800 |
| CLEVELAND | 5,640 |
| PRUE | 5,740 |
| RED FORK | 5,770 |
| BARTLESVILLE UP | 5,780 |
| BARTLESVILLE LOW | 5,830 |
| CHECKERBOARD | 5,850 |
| MISENER | 5,950 |
| HUNTON | 5,960 |
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
35.502242, -97.301596
35.50224, -97.30160 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Oklahoma County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.