SANDRA #1
API 3509322633 · Major County, Oklahoma
PAOIL
Drilling permit
Oklahoma files 1 application to drill this well, naming 3 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 1990-05-23
WRARCPermit API
35093226330001
Operator
CONFED OIL INC
Well type
GAS
Approved
1990-05-23
Expires
1990-12-07
Proposed depth
8,316 ft
Surface casing
557 ft
Ground elevation
1,331 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| CHECKERBOARD | 6,444 |
| INOLA | 6,995 |
| CHESTER | 7,014 |
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
36.291683, -98.549240
36.29168, -98.54924 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Major County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.