GRISHAM #1-20
API 3509520141 · Marshall County, Oklahoma
PAGAS
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 2007-05-14
WRAREPermit API
35095201410001
Operator
SPRING OPERATING COMPANY
Well type
NT
Approved
2007-05-14
Expires
2007-11-14
Proposed depth
4,397 ft
Surface casing
860 ft
Ground elevation
622 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| VIOLA | 2,200 |
| BROMIDE | 2,700 |
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
34.026422, -96.602694
34.02642, -96.60269 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Marshall County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.