SIERRA USA #1-1
API 3509324518 · Major County, Oklahoma
PAGAS
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 2006-06-06
WRADRPermit API
35093245180000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2006-06-06
Expires
2006-12-06
Proposed depth
8,000 ft
Surface casing
1,000 ft
Ground elevation
1,356 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| BIG LIME-OSWEGO | 6,245 |
| CHESTER | 6,620 |
| MISSISSIPPI LM | 7,240 |
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
36.415670, -98.756270
36.41567, -98.75627 · 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.