DUKE #1-35
API 3505122174 · Grady County, Oklahoma
PAGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 7 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 1990-06-08
WRADRPermit API
35051221740000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1990-06-08
Expires
1990-12-22
Proposed depth
17,000 ft
Surface casing
4,100 ft
Ground elevation
1,292 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| MEDRANO | 7,500 |
| MARCHAND | 8,395 |
| CULP | 8,500 |
| MELTON | 8,993 |
| ATOKA | 13,000 |
| MORROW | 14,000 |
| SPRINGER | 16,000 |
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
34.863592, -98.007440
34.86359, -98.00744 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Grady County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.