CHIEF #1-30
API 3515123185 · Woods County, Oklahoma
EXNT
Drilling permit
Oklahoma files 1 application to drill this well, naming 5 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 2008-06-05
WRADRDirectional holePermit API
35151231850000
Operator
TESSERA ENERGY LLC
Well type
NT
Approved
2008-06-05
Expires
2008-12-05
Proposed depth
6,700 ft
Surface casing
725 ft
Ground elevation
1,521 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 4,879 |
| COTTAGE GROVE | 5,249 |
| OSWEGO | 5,444 |
| CHEROKEE | 5,650 |
| CHESTER | 5,850 |
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
36.699279, -98.859334
36.69928, -98.85933 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Woods County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.