MALLARD HOLE #1
API 3513520296 · Sequoyah County, Oklahoma
PADRY
Drilling permit
Oklahoma files 1 application to drill this well, naming 2 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 1997-07-23
WRADRPermit API
35135202960000
Operator
HANNA OIL AND GAS COMPANY
Well type
DRY
Approved
1997-07-23
Expires
1998-02-06
Proposed depth
6,600 ft
Surface casing
800 ft
Ground elevation
431 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| SPIRO | 6,050 |
| CROMWELL | 6,550 |
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
35.307758, -94.617199
35.30776, -94.61720 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Sequoyah County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.